Description Usage Format Source References Examples
Randomized trial of triple therapy vs. patch for smoking cessation.
1 | data("pharmacoSmoking")
|
A data frame with 125 observations on the following 14 variables.
id
patient ID number
ttr
Time in days until relapse
relapse
Indicator of relapse (return to smoking)
grp
Randomly assigned treatment group with levels combination
or patchOnly
age
Age in years at time of randomization
gender
Female
or Male
race
black
, hispanic
, white
, or other
employment
ft
(full-time), pt
(part-time), or other
yearsSmoking
Number of years the patient had been a smoker
levelSmoking
heavy
or light
ageGroup2
Age group with levels 21-49
or 50+
ageGroup4
Age group with levels 21-34
, 35-49
, 50-64
, or 65+
priorAttempts
The number of prior attempts to quit smoking
longestNoSmoke
The longest period of time, in days, that the patient has previously gone without smoking
This data is from a clinical trial described in Steinberg et al. (2009)
Steinberg, M.B. Greenhaus, S. Schmelzer, A.C. Bover, M.T., Foulds, J., Hoover, D.R., and Carson, J.L. (2009) Triple-combination pharmacotherapy for medically ill smokers: A randomized trial. Annals of Internal Medicine 150, 447-454.
1 |
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