PDHS: Pakistan Demographic and Health Survey

#' @title Pakistan Demographic and Health Survey 1990-91 Men's Recode Data
#' @name  PKMR21
#' @description \code{PKMR21} data of Men's Recode from Pakistan Demographic and Health Survey 1990-91.
#' \describe{
#'     \item{\code{mcaseid}}{case identification}          
#'     \item{\code{mv000}}{country code and phase}         
#'     \item{\code{mv001}}{cluster number}                 
#'     \item{\code{mv002}}{household number}               
#'     \item{\code{mv003}}{respondent's line number}       
#'     \item{\code{mv004}}{ultimate area unit}             
#'     \item{\code{mv005}}{sample weight}                  
#'     \item{\code{mv006}}{month of interview}             
#'     \item{\code{mv007}}{year of interview}              
#'     \item{\code{mv008}}{date of interview (cmc)}        
#'     \item{\code{mv009}}{respondent's month of birth}    
#'     \item{\code{mv010}}{respondent's year of birth}     
#'     \item{\code{mv011}}{date of birth (cmc)}            
#'     \item{\code{mv012}}{current age - respondent}       
#'     \item{\code{mv013}}{age 5-year groups}              
#'     \item{\code{mv014}}{completeness of information}    
#'     \item{\code{mv015}}{result of individual interview} 
#'     \item{\code{mv016}}{day of interview}               
#'     \item{\code{mv021}}{primary sampling unit}          
#'     \item{\code{mv022}}{sample stratum number}          
#'     \item{\code{mv023}}{sample domain}                  
#'     \item{\code{mv024}}{region}                         
#'     \item{\code{mv025}}{type of place of residence}     
#'     \item{\code{mv026}}{de facto place of residence}    
#'     \item{\code{mv027}}{number of visits}               
#'     \item{\code{mv028}}{interviewer identification}     
#'     \item{\code{mv029}}{keyer identification}           
#'     \item{\code{mv030}}{field supervisor          - na} 
#'     \item{\code{mv031}}{field editor              - na} 
#'     \item{\code{mv032}}{office editor             - na} 
#'     \item{\code{mv033}}{ultimate area selection p - na} 
#'     \item{\code{mv034.1}}{line numbers of wives}        
#'     \item{\code{mv034.2}}{line numbers of wives}        
#'     \item{\code{mv034.3}}{line numbers of wives}        
#'     \item{\code{mv034.4}}{line numbers of wives}        
#'     \item{\code{mv034.5}}{line numbers of wives}        
#'     \item{\code{mv034.6}}{line numbers of wives}        
#'     \item{\code{mv034.7}}{line numbers of wives}        
#'     \item{\code{mv034.8}}{line numbers of wives}        
#'     \item{\code{mv035}}{number of wives, partners}      
#'     \item{\code{mv801}}{time interview started}         
#'     \item{\code{mv802}}{time interview ended}           
#'     \item{\code{mv803}}{length of interview in minutes} 
#'     \item{\code{mv101}}{region}                         
#'     \item{\code{mv102}}{type of place of residence}     
#'     \item{\code{mv103}}{childhood place of residence}   
#'     \item{\code{mv104}}{years lived in place of res.}   
#'     \item{\code{mv105}}{type of place of previous res.} 
#'     \item{\code{mv106}}{highest educational level}      
#'     \item{\code{mv107}}{highest year of education}      
#'     \item{\code{mv108}}{literacy}                       
#'     \item{\code{mv109}}{reads newspaper once a week}    
#'     \item{\code{mv110}}{watches tv every week}          
#'     \item{\code{mv111}}{listens to radio every da - na} 
#'     \item{\code{mv112}}{listens to radio every week}    
#'     \item{\code{mv130}}{religion                  - na} 
#'     \item{\code{mv131}}{ethnicity                 - na} 
#'     \item{\code{mv133}}{education in single years}      
#'     \item{\code{mv134}}{de facto place of residence}    
#'     \item{\code{mv135}}{usual resident or visitor}      
#'     \item{\code{mv136}}{number of household members}    
#'     \item{\code{mv138}}{number of eligible men in hh}   
#'     \item{\code{mv148}}{respondent still in school}     
#'     \item{\code{mv149}}{educational attainment}         
#'     \item{\code{mv150}}{relationship to household head} 
#'     \item{\code{mv151}}{sex of household head}          
#'     \item{\code{mv152}}{age of household head}          
#'     \item{\code{mv201}}{total children ever born  - na} 
#'     \item{\code{mv202}}{sons at home              - na} 
#'     \item{\code{mv203}}{daughters at home         - na} 
#'     \item{\code{mv204}}{sons elsewhere            - na} 
#'     \item{\code{mv205}}{daughters elsewhere       - na} 
#'     \item{\code{mv206}}{sons who have died        - na} 
#'     \item{\code{mv207}}{daughters who have died   - na} 
#'     \item{\code{mv213}}{partner currently pregnant}     
#'     \item{\code{mv218}}{number of living children}      
#'     \item{\code{mv225}}{current pregnancy wanted  - na} 
#'     \item{\code{mv301}}{knowledge of any method}        
#'     \item{\code{mv302}}{ever use of any method}         
#'     \item{\code{mv304a01}}{type of method}              
#'     \item{\code{mv304.01}}{knows method}                
#'     \item{\code{mv305.01}}{ever used method}            
#'     \item{\code{mv304a02}}{type of method}              
#'     \item{\code{mv304.02}}{knows method}                
#'     \item{\code{mv305.02}}{ever used method}            
#'     \item{\code{mv304a03}}{type of method}              
#'     \item{\code{mv304.03}}{knows method}                
#'     \item{\code{mv305.03}}{ever used method}            
#'     \item{\code{mv304a04}}{type of method}              
#'     \item{\code{mv304.04}}{knows method}                
#'     \item{\code{mv305.04}}{ever used method}            
#'     \item{\code{mv304a05}}{type of method}              
#'     \item{\code{mv304.05}}{knows method}                
#'     \item{\code{mv305.05}}{ever used method}            
#'     \item{\code{mv304a06}}{type of method}              
#'     \item{\code{mv304.06}}{knows method}                
#'     \item{\code{mv305.06}}{ever used method}            
#'     \item{\code{mv304a07}}{type of method}              
#'     \item{\code{mv304.07}}{knows method}                
#'     \item{\code{mv305.07}}{ever used method}            
#'     \item{\code{mv304a08}}{type of method}              
#'     \item{\code{mv304.08}}{knows method}                
#'     \item{\code{mv305.08}}{ever used method}            
#'     \item{\code{mv304a09}}{type of method}              
#'     \item{\code{mv304.09}}{knows method}                
#'     \item{\code{mv305.09}}{ever used method}            
#'     \item{\code{mv304a10}}{type of method}              
#'     \item{\code{mv304.10}}{knows method}                
#'     \item{\code{mv305.10}}{ever used method}            
#'     \item{\code{mv304a11}}{type of method}              
#'     \item{\code{mv304.11}}{knows method}                
#'     \item{\code{mv305.11}}{ever used method}            
#'     \item{\code{mv304a12}}{type of method}              
#'     \item{\code{mv304.12}}{knows method}                
#'     \item{\code{mv305.12}}{ever used method}            
#'     \item{\code{mv304a13}}{type of method}              
#'     \item{\code{mv304.13}}{knows method}                
#'     \item{\code{mv305.13}}{ever used method}            
#'     \item{\code{mv304a14}}{type of method}              
#'     \item{\code{mv304.14}}{knows method}                
#'     \item{\code{mv305.14}}{ever used method}            
#'     \item{\code{mv304a15}}{type of method}              
#'     \item{\code{mv304.15}}{knows method}                
#'     \item{\code{mv305.15}}{ever used method}            
#'     \item{\code{mv312}}{current contraceptive method}   
#'     \item{\code{mv313}}{current use by method type}     
#'     \item{\code{mv361}}{pattern of use}                 
#'     \item{\code{mv362}}{intention to use}               
#'     \item{\code{mv363}}{preferred future method}        
#'     \item{\code{mv364}}{contraceptive use & intention}  
#'     \item{\code{mv366a}}{acceptability of radio me - na}
#'     \item{\code{mv366b}}{acceptability of tv messa - na}
#'     \item{\code{mv367}}{wanted last child         - na} 
#'     \item{\code{mv375a}}{main reason not using a method}
#'     \item{\code{mv376}}{main reason not to use a meth.} 
#'     \item{\code{mv384a}}{heard fp on radio last months} 
#'     \item{\code{mv384b}}{heard fp on tv last months}    
#'     \item{\code{mv384c}}{heard fp newspaper last m - na}
#'     \item{\code{mv384d}}{heard fp on poster last m - na}
#'     \item{\code{mv384e}}{heard fp brochures last m - na}
#'     \item{\code{mv501}}{current marital status}         
#'     \item{\code{mv502}}{currently/formerly/never marr.} 
#'     \item{\code{mv503}}{number of unions}               
#'     \item{\code{mv505}}{number of wives, partners}      
#'     \item{\code{mv507}}{month of first marriage}        
#'     \item{\code{mv508}}{year of first marriage}         
#'     \item{\code{mv509}}{date of first marriage (cmc)}   
#'     \item{\code{mv510}}{completeness of date inform.}   
#'     \item{\code{mv511}}{age at first marriage}          
#'     \item{\code{mv512}}{years since first marriage}     
#'     \item{\code{mv513}}{marital duration (grouped)}     
#'     \item{\code{mv525}}{age at first intercourse  - na} 
#'     \item{\code{mv527}}{time since last intercour - na} 
#'     \item{\code{mv531}}{age at first intercourse  - na} 
#'     \item{\code{mv532}}{flag for mv531            - na} 
#'     \item{\code{mv534}}{have a regular sex partne - na} 
#'     \item{\code{mv535}}{have ever been married    - na} 
#'     \item{\code{mv602}}{fertility preference}           
#'     \item{\code{mv603}}{preferred waiting time}         
#'     \item{\code{mv604}}{preferred waiting time (grpd)}  
#'     \item{\code{mv605}}{desire for more children}       
#'     \item{\code{mv610}}{wife approves fp}               
#'     \item{\code{mv611}}{discussed fp with partner}      
#'     \item{\code{mv612}}{respondent approves fp}         
#'     \item{\code{mv613}}{ideal number of children}       
#'     \item{\code{mv614}}{ideal number of children (grp)} 
#'     \item{\code{mv616}}{time for future birth}          
#'     \item{\code{mv621}}{wifes desire for children}      
#'     \item{\code{mv627}}{ideal number of boys}           
#'     \item{\code{mv628}}{ideal number of girls}          
#'     \item{\code{mv629}}{ideal number of either sex}     
#'     \item{\code{mv630a}}{discussed fp with partner - na}
#'     \item{\code{mv630b}}{discussed fp with mother  - na}
#'     \item{\code{mv630c}}{discussed fp with father  - na}
#'     \item{\code{mv630d}}{discussed fp with sister( - na}
#'     \item{\code{mv630e}}{discussed fp with brother - na}
#'     \item{\code{mv630f}}{discussed fp with daughte - na}
#'     \item{\code{mv630g}}{discussed fp with mother- - na}
#'     \item{\code{mv630h}}{discussed fp with friends - na}
#'     \item{\code{mv630i}}{discussed fp -country spe - na}
#'     \item{\code{mv630j}}{discussed fp -country spe - na}
#'     \item{\code{mv630k}}{discussed fp -country spe - na}
#'     \item{\code{mv630l}}{discussed fp -country spe - na}
#'     \item{\code{mv630x}}{discussed fp with others  - na}
#'     \item{\code{mv714}}{respondent currently work - na} 
#'     \item{\code{mv716}}{respondent's occupation}        
#'     \item{\code{mv717}}{respondent's occupation}        
#'     \item{\code{mv719}}{work for family, others,  - na} 
#'     \item{\code{mv731}}{worked in last 12 months  - na} 
#'     \item{\code{mv732}}{employment all year/seaso - na} 
#'     \item{\code{mv733}}{months worked in last 12  - na} 
#'     \item{\code{mv736}}{earnings for work         - na} 
#'     \item{\code{mv740}}{type of land where resp. works} 
#'     \item{\code{mv751}}{ever heard of aids        - na} 
#'     \item{\code{mv752a}}{aids: radio               - na}
#'     \item{\code{mv752b}}{aids: television          - na}
#'     \item{\code{mv752c}}{aids: newspapers/magazine - na}
#'     \item{\code{mv752d}}{aids: pamphlets/posters   - na}
#'     \item{\code{mv752e}}{aids: clinic/health worke - na}
#'     \item{\code{mv752f}}{aids: churches/mosques    - na}
#'     \item{\code{mv752g}}{aids: schools/teachers    - na}
#'     \item{\code{mv752h}}{aids: community meetings  - na}
#'     \item{\code{mv752i}}{aids: friends/relatives   - na}
#'     \item{\code{mv752j}}{aids: work place          - na}
#'     \item{\code{mv752k}}{aids: country specific    - na}
#'     \item{\code{mv752l}}{aids: country specific    - na}
#'     \item{\code{mv752m}}{aids: country specific    - na}
#'     \item{\code{mv752n}}{aids: country specific    - na}
#'     \item{\code{mv752o}}{aids: country specific    - na}
#'     \item{\code{mv752x}}{aids: other responses     - na}
#'     \item{\code{mv753}}{ways to avoid aids        - na} 
#'     \item{\code{mv754a}}{aids: safe sex            - na}
#'     \item{\code{mv754b}}{aids: abstain from sex    - na}
#'     \item{\code{mv754c}}{aids: use condoms during  - na}
#'     \item{\code{mv754d}}{aids: only one sex partne - na}
#'     \item{\code{mv754e}}{aids: avoid sex prostitut - na}
#'     \item{\code{mv754f}}{aids: avoid sex homosexua - na}
#'     \item{\code{mv754g}}{aids: avoid blood transfu - na}
#'     \item{\code{mv754h}}{aids: avoid injections    - na}
#'     \item{\code{mv754i}}{aids: avoid kissing       - na}
#'     \item{\code{mv754j}}{aids: avoid mosquito bite - na}
#'     \item{\code{mv754k}}{aids: protection trad. he - na}
#'     \item{\code{mv754l}}{aids: country specific    - na}
#'     \item{\code{mv754m}}{aids: country specific    - na}
#'     \item{\code{mv754n}}{aids: country specific    - na}
#'     \item{\code{mv754o}}{aids: country specific    - na}
#'     \item{\code{mv754x}}{aids: other responses     - na}
#'     \item{\code{mv754z}}{aids: dk ways to avoid ai - na}
#'     \item{\code{mv755b}}{safe sex: abstain from se - na}
#'     \item{\code{mv755c}}{safe sex: use condoms dur - na}
#'     \item{\code{mv755d}}{safe sex: only one partne - na}
#'     \item{\code{mv755e}}{safe sex: avoid prostitut - na}
#'     \item{\code{mv755f}}{safe sex: avoid homosexua - na}
#'     \item{\code{mv755l}}{safe sex: country specifi - na}
#'     \item{\code{mv755m}}{safe sex: country specifi - na}
#'     \item{\code{mv755n}}{safe sex: country specifi - na}
#'     \item{\code{mv755o}}{safe sex: country specifi - na}
#'     \item{\code{mv755x}}{safe sex: other responses - na}
#'     \item{\code{mv755z}}{safe sex: dk meaning      - na}
#'     \item{\code{mv756}}{can a healthy person have - na} 
#'     \item{\code{mv757}}{is aids a fatal disease   - na} 
#'     \item{\code{mv758}}{chances of getting aids   - na} 
#'     \item{\code{mv760a}}{behavior: did not start s - na}
#'     \item{\code{mv760b}}{behavior: stopped all sex - na}
#'     \item{\code{mv760c}}{behavior: started using c - na}
#'     \item{\code{mv760d}}{behavior: only one sex pa - na}
#'     \item{\code{mv760e}}{behavior: reduced partner - na}
#'     \item{\code{mv760f}}{behavior: ask spouse fait - na}
#'     \item{\code{mv760g}}{behavior: no homosexual c - na}
#'     \item{\code{mv760i}}{behavior: stopped injecti - na}
#'     \item{\code{mv760l}}{behavior: country specifi - na}
#'     \item{\code{mv760m}}{behavior: country specifi - na}
#'     \item{\code{mv760n}}{behavior: country specifi - na}
#'     \item{\code{mv760o}}{behavior: country specifi - na}
#'     \item{\code{mv760p}}{behavior: avoid sex w. pr - na}
#'     \item{\code{mv760v}}{behavior: no nonsexual ch - na}
#'     \item{\code{mv760w}}{behavior: other nonsexual - na}
#'     \item{\code{mv760x}}{behavior: other responses - na}
#'     \item{\code{mv760y}}{behavior: no change       - na}
#'     \item{\code{mv760z}}{behavior: don't know      - na}
#'     \item{\code{mv761}}{last intercourse used con - na} 
#'     \item{\code{mv762}}{source for condoms        - na} 
#'     \item{\code{mv763}}{partners in last 12 month - na} 
#'     \item{\code{mv764}}{knowledge of condom       - na} 
#'     \item{\code{mv765}}{ever use of condom        - na} 
#'     \item{\code{hsdist}}{district}                      
#'     \item{\code{hsclust}}{cluster number}               
#'     \item{\code{hslang1}}{language of questionnaire}    
#'     \item{\code{hslang2}}{language of interview}        
#'     \item{\code{hslang3}}{native language of respondent}
#'     \item{\code{hstransl}}{translator used}             
#'     \item{\code{hs108}}{highest educational level}      
#'     \item{\code{hs109}}{highest grade at that level}    
#'     \item{\code{hs112}}{write a letter}                 
#'     \item{\code{hs201.1}}{contraceptive method}         
#'     \item{\code{hs204.1}}{knows source for method}      
#'     \item{\code{hs201.2}}{contraceptive method}         
#'     \item{\code{hs204.2}}{knows source for method}      
#'     \item{\code{hs201.3}}{contraceptive method}         
#'     \item{\code{hs204.3}}{knows source for method}      
#'     \item{\code{hs201.4}}{contraceptive method}         
#'     \item{\code{hs204.4}}{knows source for method}      
#'     \item{\code{hs201.5}}{contraceptive method}         
#'     \item{\code{hs204.5}}{knows source for method}      
#'     \item{\code{hs201.6}}{contraceptive method}         
#'     \item{\code{hs204.6}}{knows source for method}      
#'     \item{\code{hs201.7}}{contraceptive method}         
#'     \item{\code{hs204.7}}{knows source for method}      
#'     \item{\code{hs201.8}}{contraceptive method}         
#'     \item{\code{hs204.8}}{knows source for method}      
#'     \item{\code{hs208}}{first method}                   
#'     \item{\code{hs209}}{living children at first use}   
#'     \item{\code{hs214}}{knowledge of brand name}        
#'     \item{\code{hs215}}{cost of pill packet}            
#'     \item{\code{hs216}}{shown condom package}           
#'     \item{\code{hs217}}{knowledge of brand name}        
#'     \item{\code{hs218}}{cost of condom}                 
#'     \item{\code{hs219}}{source of current method}       
#'     \item{\code{hs220}}{time to get to source}          
#'     \item{\code{hs221}}{easy/difficult to go to source} 
#'     \item{\code{hs223m}}{month of sterilization}        
#'     \item{\code{hs223y}}{year of sterilization}         
#'     \item{\code{hs223c}}{cmc husband marriage}          
#'     \item{\code{hs223f}}{flag for date of sterilization}
#'     \item{\code{hs224}}{duration of current use <mnth>} 
#'     \item{\code{hs227}}{if own choice, desire to use}   
#'     \item{\code{hs230}}{source for future method}       
#'     \item{\code{hs231}}{know source for fp}             
#'     \item{\code{hs232}}{source for family planning}     
#'     \item{\code{hs233}}{time from home to place}        
#'     \item{\code{hs234}}{easy/difficult to get to place} 
#'     \item{\code{hs237}}{message effective}              
#'     \item{\code{hs238}}{acceptability of media message} 
#'     \item{\code{hs306a}}{presence of children}          
#'     \item{\code{hs306b}}{presence of wife}              
#'     \item{\code{hs306c}}{presence of father/brother}    
#'     \item{\code{hs306d}}{presence of other males}       
#'     \item{\code{hs306e}}{presence of other females}     
#'     \item{\code{hs401a}}{number of own sons}            
#'     \item{\code{hs401b}}{number of own daughters}       
#'     \item{\code{hs404}}{desire future child}            
#'     \item{\code{hs405}}{sex preference for next}        
#'     \item{\code{hs407}}{regret sterilization}           
#'     \item{\code{hs408}}{reason regrets sterilization}   
#'     \item{\code{hs409}}{think would have sterilization} 
#'     \item{\code{hs412}}{discussed number children}      
#'     \item{\code{hs414}}{time to wait before sex}        
#'     \item{\code{hs415}}{stop breastfeeding before sex}  
#'     \item{\code{hs419}}{education for sons}             
#'     \item{\code{hs420}}{daughters schooling}            
#'     \item{\code{hs421}}{ideal age marriage boys}        
#'     \item{\code{hs422}}{ideal age marriage - girls}     
#'     \item{\code{hs423}}{can wife go to hospital alone?} 
#'     \item{\code{mcaseid}}{case identification}          
#'     \item{\code{mv000}}{country code and phase}         
#'     \item{\code{mv001}}{cluster number}                 
#'     \item{\code{mv002}}{household number}               
#'     \item{\code{mv003}}{respondent's line number}       
#'     \item{\code{mv004}}{ultimate area unit}             
#'     \item{\code{mv005}}{sample weight}                  
#'     \item{\code{mv006}}{month of interview}             
#'     \item{\code{mv007}}{year of interview}              
#'     \item{\code{mv008}}{date of interview (cmc)}        
#'     \item{\code{mv009}}{respondent's month of birth}    
#'     \item{\code{mv010}}{respondent's year of birth}     
#'     \item{\code{mv011}}{date of birth (cmc)}            
#'     \item{\code{mv012}}{current age - respondent}       
#'     \item{\code{mv013}}{age 5-year groups}              
#'     \item{\code{mv014}}{completeness of information}    
#'     \item{\code{mv015}}{result of individual interview} 
#'     \item{\code{mv016}}{day of interview}               
#'     \item{\code{mv021}}{primary sampling unit}          
#'     \item{\code{mv022}}{sample stratum number}          
#'     \item{\code{mv023}}{sample domain}                  
#'     \item{\code{mv024}}{region}                         
#'     \item{\code{mv025}}{type of place of residence}     
#'     \item{\code{mv026}}{de facto place of residence}    
#'     \item{\code{mv027}}{number of visits}               
#'     \item{\code{mv028}}{interviewer identification}     
#'     \item{\code{mv029}}{keyer identification}           
#'     \item{\code{mv030}}{field supervisor          - na} 
#'     \item{\code{mv031}}{field editor              - na} 
#'     \item{\code{mv032}}{office editor             - na} 
#'     \item{\code{mv033}}{ultimate area selection p - na} 
#'     \item{\code{mv034.1}}{line numbers of wives}        
#'     \item{\code{mv034.2}}{line numbers of wives}        
#'     \item{\code{mv034.3}}{line numbers of wives}        
#'     \item{\code{mv034.4}}{line numbers of wives}        
#'     \item{\code{mv034.5}}{line numbers of wives}        
#'     \item{\code{mv034.6}}{line numbers of wives}        
#'     \item{\code{mv034.7}}{line numbers of wives}        
#'     \item{\code{mv034.8}}{line numbers of wives}        
#'     \item{\code{mv035}}{number of wives, partners}      
#'     \item{\code{mv801}}{time interview started}         
#'     \item{\code{mv802}}{time interview ended}           
#'     \item{\code{mv803}}{length of interview in minutes} 
#'     \item{\code{mv101}}{region}                         
#'     \item{\code{mv102}}{type of place of residence}     
#'     \item{\code{mv103}}{childhood place of residence}   
#'     \item{\code{mv104}}{years lived in place of res.}   
#'     \item{\code{mv105}}{type of place of previous res.} 
#'     \item{\code{mv106}}{highest educational level}      
#'     \item{\code{mv107}}{highest year of education}      
#'     \item{\code{mv108}}{literacy}                       
#'     \item{\code{mv109}}{reads newspaper once a week}    
#'     \item{\code{mv110}}{watches tv every week}          
#'     \item{\code{mv111}}{listens to radio every da - na} 
#'     \item{\code{mv112}}{listens to radio every week}    
#'     \item{\code{mv130}}{religion                  - na} 
#'     \item{\code{mv131}}{ethnicity                 - na} 
#'     \item{\code{mv133}}{education in single years}      
#'     \item{\code{mv134}}{de facto place of residence}    
#'     \item{\code{mv135}}{usual resident or visitor}      
#'     \item{\code{mv136}}{number of household members}    
#'     \item{\code{mv138}}{number of eligible men in hh}   
#'     \item{\code{mv148}}{respondent still in school}     
#'     \item{\code{mv149}}{educational attainment}         
#'     \item{\code{mv150}}{relationship to household head} 
#'     \item{\code{mv151}}{sex of household head}          
#'     \item{\code{mv152}}{age of household head}          
#'     \item{\code{mv201}}{total children ever born  - na} 
#'     \item{\code{mv202}}{sons at home              - na} 
#'     \item{\code{mv203}}{daughters at home         - na} 
#'     \item{\code{mv204}}{sons elsewhere            - na} 
#'     \item{\code{mv205}}{daughters elsewhere       - na} 
#'     \item{\code{mv206}}{sons who have died        - na} 
#'     \item{\code{mv207}}{daughters who have died   - na} 
#'     \item{\code{mv213}}{partner currently pregnant}     
#'     \item{\code{mv218}}{number of living children}      
#'     \item{\code{mv225}}{current pregnancy wanted  - na} 
#'     \item{\code{mv301}}{knowledge of any method}        
#'     \item{\code{mv302}}{ever use of any method}         
#'     \item{\code{mv304a01}}{type of method}              
#'     \item{\code{mv304.01}}{knows method}                
#'     \item{\code{mv305.01}}{ever used method}            
#'     \item{\code{mv304a02}}{type of method}              
#'     \item{\code{mv304.02}}{knows method}                
#'     \item{\code{mv305.02}}{ever used method}            
#'     \item{\code{mv304a03}}{type of method}              
#'     \item{\code{mv304.03}}{knows method}                
#'     \item{\code{mv305.03}}{ever used method}            
#'     \item{\code{mv304a04}}{type of method}              
#'     \item{\code{mv304.04}}{knows method}                
#'     \item{\code{mv305.04}}{ever used method}            
#'     \item{\code{mv304a05}}{type of method}              
#'     \item{\code{mv304.05}}{knows method}                
#'     \item{\code{mv305.05}}{ever used method}            
#'     \item{\code{mv304a06}}{type of method}              
#'     \item{\code{mv304.06}}{knows method}                
#'     \item{\code{mv305.06}}{ever used method}            
#'     \item{\code{mv304a07}}{type of method}              
#'     \item{\code{mv304.07}}{knows method}                
#'     \item{\code{mv305.07}}{ever used method}            
#'     \item{\code{mv304a08}}{type of method}              
#'     \item{\code{mv304.08}}{knows method}                
#'     \item{\code{mv305.08}}{ever used method}            
#'     \item{\code{mv304a09}}{type of method}              
#'     \item{\code{mv304.09}}{knows method}                
#'     \item{\code{mv305.09}}{ever used method}            
#'     \item{\code{mv304a10}}{type of method}              
#'     \item{\code{mv304.10}}{knows method}                
#'     \item{\code{mv305.10}}{ever used method}            
#'     \item{\code{mv304a11}}{type of method}              
#'     \item{\code{mv304.11}}{knows method}                
#'     \item{\code{mv305.11}}{ever used method}            
#'     \item{\code{mv304a12}}{type of method}              
#'     \item{\code{mv304.12}}{knows method}                
#'     \item{\code{mv305.12}}{ever used method}            
#'     \item{\code{mv304a13}}{type of method}              
#'     \item{\code{mv304.13}}{knows method}                
#'     \item{\code{mv305.13}}{ever used method}            
#'     \item{\code{mv304a14}}{type of method}              
#'     \item{\code{mv304.14}}{knows method}                
#'     \item{\code{mv305.14}}{ever used method}            
#'     \item{\code{mv304a15}}{type of method}              
#'     \item{\code{mv304.15}}{knows method}                
#'     \item{\code{mv305.15}}{ever used method}            
#'     \item{\code{mv312}}{current contraceptive method}   
#'     \item{\code{mv313}}{current use by method type}     
#'     \item{\code{mv361}}{pattern of use}                 
#'     \item{\code{mv362}}{intention to use}               
#'     \item{\code{mv363}}{preferred future method}        
#'     \item{\code{mv364}}{contraceptive use & intention}  
#'     \item{\code{mv366a}}{acceptability of radio me - na}
#'     \item{\code{mv366b}}{acceptability of tv messa - na}
#'     \item{\code{mv367}}{wanted last child         - na} 
#'     \item{\code{mv375a}}{main reason not using a method}
#'     \item{\code{mv376}}{main reason not to use a meth.} 
#'     \item{\code{mv384a}}{heard fp on radio last months} 
#'     \item{\code{mv384b}}{heard fp on tv last months}    
#'     \item{\code{mv384c}}{heard fp newspaper last m - na}
#'     \item{\code{mv384d}}{heard fp on poster last m - na}
#'     \item{\code{mv384e}}{heard fp brochures last m - na}
#'     \item{\code{mv501}}{current marital status}         
#'     \item{\code{mv502}}{currently/formerly/never marr.} 
#'     \item{\code{mv503}}{number of unions}               
#'     \item{\code{mv505}}{number of wives, partners}      
#'     \item{\code{mv507}}{month of first marriage}        
#'     \item{\code{mv508}}{year of first marriage}         
#'     \item{\code{mv509}}{date of first marriage (cmc)}   
#'     \item{\code{mv510}}{completeness of date inform.}   
#'     \item{\code{mv511}}{age at first marriage}          
#'     \item{\code{mv512}}{years since first marriage}     
#'     \item{\code{mv513}}{marital duration (grouped)}     
#'     \item{\code{mv525}}{age at first intercourse  - na} 
#'     \item{\code{mv527}}{time since last intercour - na} 
#'     \item{\code{mv531}}{age at first intercourse  - na} 
#'     \item{\code{mv532}}{flag for mv531            - na} 
#'     \item{\code{mv534}}{have a regular sex partne - na} 
#'     \item{\code{mv535}}{have ever been married    - na} 
#'     \item{\code{mv602}}{fertility preference}           
#'     \item{\code{mv603}}{preferred waiting time}         
#'     \item{\code{mv604}}{preferred waiting time (grpd)}  
#'     \item{\code{mv605}}{desire for more children}       
#'     \item{\code{mv610}}{wife approves fp}               
#'     \item{\code{mv611}}{discussed fp with partner}      
#'     \item{\code{mv612}}{respondent approves fp}         
#'     \item{\code{mv613}}{ideal number of children}       
#'     \item{\code{mv614}}{ideal number of children (grp)} 
#'     \item{\code{mv616}}{time for future birth}          
#'     \item{\code{mv621}}{wifes desire for children}      
#'     \item{\code{mv627}}{ideal number of boys}           
#'     \item{\code{mv628}}{ideal number of girls}          
#'     \item{\code{mv629}}{ideal number of either sex}     
#'     \item{\code{mv630a}}{discussed fp with partner - na}
#'     \item{\code{mv630b}}{discussed fp with mother  - na}
#'     \item{\code{mv630c}}{discussed fp with father  - na}
#'     \item{\code{mv630d}}{discussed fp with sister( - na}
#'     \item{\code{mv630e}}{discussed fp with brother - na}
#'     \item{\code{mv630f}}{discussed fp with daughte - na}
#'     \item{\code{mv630g}}{discussed fp with mother- - na}
#'     \item{\code{mv630h}}{discussed fp with friends - na}
#'     \item{\code{mv630i}}{discussed fp -country spe - na}
#'     \item{\code{mv630j}}{discussed fp -country spe - na}
#'     \item{\code{mv630k}}{discussed fp -country spe - na}
#'     \item{\code{mv630l}}{discussed fp -country spe - na}
#'     \item{\code{mv630x}}{discussed fp with others  - na}
#'     \item{\code{mv714}}{respondent currently work - na} 
#'     \item{\code{mv716}}{respondent's occupation}        
#'     \item{\code{mv717}}{respondent's occupation}        
#'     \item{\code{mv719}}{work for family, others,  - na} 
#'     \item{\code{mv731}}{worked in last 12 months  - na} 
#'     \item{\code{mv732}}{employment all year/seaso - na} 
#'     \item{\code{mv733}}{months worked in last 12  - na} 
#'     \item{\code{mv736}}{earnings for work         - na} 
#'     \item{\code{mv740}}{type of land where resp. works} 
#'     \item{\code{mv751}}{ever heard of aids        - na} 
#'     \item{\code{mv752a}}{aids: radio               - na}
#'     \item{\code{mv752b}}{aids: television          - na}
#'     \item{\code{mv752c}}{aids: newspapers/magazine - na}
#'     \item{\code{mv752d}}{aids: pamphlets/posters   - na}
#'     \item{\code{mv752e}}{aids: clinic/health worke - na}
#'     \item{\code{mv752f}}{aids: churches/mosques    - na}
#'     \item{\code{mv752g}}{aids: schools/teachers    - na}
#'     \item{\code{mv752h}}{aids: community meetings  - na}
#'     \item{\code{mv752i}}{aids: friends/relatives   - na}
#'     \item{\code{mv752j}}{aids: work place          - na}
#'     \item{\code{mv752k}}{aids: country specific    - na}
#'     \item{\code{mv752l}}{aids: country specific    - na}
#'     \item{\code{mv752m}}{aids: country specific    - na}
#'     \item{\code{mv752n}}{aids: country specific    - na}
#'     \item{\code{mv752o}}{aids: country specific    - na}
#'     \item{\code{mv752x}}{aids: other responses     - na}
#'     \item{\code{mv753}}{ways to avoid aids        - na} 
#'     \item{\code{mv754a}}{aids: safe sex            - na}
#'     \item{\code{mv754b}}{aids: abstain from sex    - na}
#'     \item{\code{mv754c}}{aids: use condoms during  - na}
#'     \item{\code{mv754d}}{aids: only one sex partne - na}
#'     \item{\code{mv754e}}{aids: avoid sex prostitut - na}
#'     \item{\code{mv754f}}{aids: avoid sex homosexua - na}
#'     \item{\code{mv754g}}{aids: avoid blood transfu - na}
#'     \item{\code{mv754h}}{aids: avoid injections    - na}
#'     \item{\code{mv754i}}{aids: avoid kissing       - na}
#'     \item{\code{mv754j}}{aids: avoid mosquito bite - na}
#'     \item{\code{mv754k}}{aids: protection trad. he - na}
#'     \item{\code{mv754l}}{aids: country specific    - na}
#'     \item{\code{mv754m}}{aids: country specific    - na}
#'     \item{\code{mv754n}}{aids: country specific    - na}
#'     \item{\code{mv754o}}{aids: country specific    - na}
#'     \item{\code{mv754x}}{aids: other responses     - na}
#'     \item{\code{mv754z}}{aids: dk ways to avoid ai - na}
#'     \item{\code{mv755b}}{safe sex: abstain from se - na}
#'     \item{\code{mv755c}}{safe sex: use condoms dur - na}
#'     \item{\code{mv755d}}{safe sex: only one partne - na}
#'     \item{\code{mv755e}}{safe sex: avoid prostitut - na}
#'     \item{\code{mv755f}}{safe sex: avoid homosexua - na}
#'     \item{\code{mv755l}}{safe sex: country specifi - na}
#'     \item{\code{mv755m}}{safe sex: country specifi - na}
#'     \item{\code{mv755n}}{safe sex: country specifi - na}
#'     \item{\code{mv755o}}{safe sex: country specifi - na}
#'     \item{\code{mv755x}}{safe sex: other responses - na}
#'     \item{\code{mv755z}}{safe sex: dk meaning      - na}
#'     \item{\code{mv756}}{can a healthy person have - na} 
#'     \item{\code{mv757}}{is aids a fatal disease   - na} 
#'     \item{\code{mv758}}{chances of getting aids   - na} 
#'     \item{\code{mv760a}}{behavior: did not start s - na}
#'     \item{\code{mv760b}}{behavior: stopped all sex - na}
#'     \item{\code{mv760c}}{behavior: started using c - na}
#'     \item{\code{mv760d}}{behavior: only one sex pa - na}
#'     \item{\code{mv760e}}{behavior: reduced partner - na}
#'     \item{\code{mv760f}}{behavior: ask spouse fait - na}
#'     \item{\code{mv760g}}{behavior: no homosexual c - na}
#'     \item{\code{mv760i}}{behavior: stopped injecti - na}
#'     \item{\code{mv760l}}{behavior: country specifi - na}
#'     \item{\code{mv760m}}{behavior: country specifi - na}
#'     \item{\code{mv760n}}{behavior: country specifi - na}
#'     \item{\code{mv760o}}{behavior: country specifi - na}
#'     \item{\code{mv760p}}{behavior: avoid sex w. pr - na}
#'     \item{\code{mv760v}}{behavior: no nonsexual ch - na}
#'     \item{\code{mv760w}}{behavior: other nonsexual - na}
#'     \item{\code{mv760x}}{behavior: other responses - na}
#'     \item{\code{mv760y}}{behavior: no change       - na}
#'     \item{\code{mv760z}}{behavior: don't know      - na}
#'     \item{\code{mv761}}{last intercourse used con - na} 
#'     \item{\code{mv762}}{source for condoms        - na} 
#'     \item{\code{mv763}}{partners in last 12 month - na} 
#'     \item{\code{mv764}}{knowledge of condom       - na} 
#'     \item{\code{mv765}}{ever use of condom        - na} 
#'     \item{\code{hsdist}}{district}                      
#'     \item{\code{hsclust}}{cluster number}               
#'     \item{\code{hslang1}}{language of questionnaire}    
#'     \item{\code{hslang2}}{language of interview}        
#'     \item{\code{hslang3}}{native language of respondent}
#'     \item{\code{hstransl}}{translator used}             
#'     \item{\code{hs108}}{highest educational level}      
#'     \item{\code{hs109}}{highest grade at that level}    
#'     \item{\code{hs112}}{write a letter}                 
#'     \item{\code{hs201.1}}{contraceptive method}         
#'     \item{\code{hs204.1}}{knows source for method}      
#'     \item{\code{hs201.2}}{contraceptive method}         
#'     \item{\code{hs204.2}}{knows source for method}      
#'     \item{\code{hs201.3}}{contraceptive method}         
#'     \item{\code{hs204.3}}{knows source for method}      
#'     \item{\code{hs201.4}}{contraceptive method}         
#'     \item{\code{hs204.4}}{knows source for method}      
#'     \item{\code{hs201.5}}{contraceptive method}         
#'     \item{\code{hs204.5}}{knows source for method}      
#'     \item{\code{hs201.6}}{contraceptive method}         
#'     \item{\code{hs204.6}}{knows source for method}      
#'     \item{\code{hs201.7}}{contraceptive method}         
#'     \item{\code{hs204.7}}{knows source for method}      
#'     \item{\code{hs201.8}}{contraceptive method}         
#'     \item{\code{hs204.8}}{knows source for method}      
#'     \item{\code{hs208}}{first method}                   
#'     \item{\code{hs209}}{living children at first use}   
#'     \item{\code{hs214}}{knowledge of brand name}        
#'     \item{\code{hs215}}{cost of pill packet}            
#'     \item{\code{hs216}}{shown condom package}           
#'     \item{\code{hs217}}{knowledge of brand name}        
#'     \item{\code{hs218}}{cost of condom}                 
#'     \item{\code{hs219}}{source of current method}       
#'     \item{\code{hs220}}{time to get to source}          
#'     \item{\code{hs221}}{easy/difficult to go to source} 
#'     \item{\code{hs223m}}{month of sterilization}        
#'     \item{\code{hs223y}}{year of sterilization}         
#'     \item{\code{hs223c}}{cmc husband marriage}          
#'     \item{\code{hs223f}}{flag for date of sterilization}
#'     \item{\code{hs224}}{duration of current use <mnth>} 
#'     \item{\code{hs227}}{if own choice, desire to use}   
#'     \item{\code{hs230}}{source for future method}       
#'     \item{\code{hs231}}{know source for fp}             
#'     \item{\code{hs232}}{source for family planning}     
#'     \item{\code{hs233}}{time from home to place}        
#'     \item{\code{hs234}}{easy/difficult to get to place} 
#'     \item{\code{hs237}}{message effective}              
#'     \item{\code{hs238}}{acceptability of media message} 
#'     \item{\code{hs306a}}{presence of children}          
#'     \item{\code{hs306b}}{presence of wife}              
#'     \item{\code{hs306c}}{presence of father/brother}    
#'     \item{\code{hs306d}}{presence of other males}       
#'     \item{\code{hs306e}}{presence of other females}     
#'     \item{\code{hs401a}}{number of own sons}            
#'     \item{\code{hs401b}}{number of own daughters}       
#'     \item{\code{hs404}}{desire future child}            
#'     \item{\code{hs405}}{sex preference for next}        
#'     \item{\code{hs407}}{regret sterilization}           
#'     \item{\code{hs408}}{reason regrets sterilization}   
#'     \item{\code{hs409}}{think would have sterilization} 
#'     \item{\code{hs412}}{discussed number children}      
#'     \item{\code{hs414}}{time to wait before sex}        
#'     \item{\code{hs415}}{stop breastfeeding before sex}  
#'     \item{\code{hs419}}{education for sons}             
#'     \item{\code{hs420}}{daughters schooling}            
#'     \item{\code{hs421}}{ideal age marriage boys}        
#'     \item{\code{hs422}}{ideal age marriage - girls}     
#'     \item{\code{hs423}}{can wife go to hospital alone?} 
#' 
#'
#'   }
#'
#' @author
#'  \enumerate{
#'   \item{Muhammad Yaseen } {(\email{myaseen208@@gmail.com})}
#'   }
#'
#' @references
#' \enumerate{
#'   \item National Institute of Population Studies (NIPS), Pakistan (\url{http://nips.org.pk/Home.htm}).
#'  }
#'
#' @import tibble
#'
#' @examples
#' # Loading PKMR21
#'  \dontrun{
#'  load(url(
#'   "https://github.com/myaseen208/PDHSData/raw/master/data/PKMR21.RData"
#'   ))
#'   PKMR21
#'  }
NULL