Births2022: Records on births in the US in 2022

In LSTbook: Data and Software for "Lessons in Statistical Thinking"

Records on births in the US in 2022

Description

These data come from the Centers for Disease Controls "public use file" recording all 3,699,040 (known) births in the US in 2022. Births2022 is a random sample of size 20,000 from the comprehensive file

Usage

Births2022

Format

A data frame with 20,000 observations on the following 38 variables. The unit of observation is a birth.

• month: 1-12

• dow: Day of week: Sun, Mon, Tues, ...

• place: hospital, home, clinic, etc.

• paternity: is paternity acknowledged. Y, N, and X. X stands for "not applicable" which is shorthand for the mother is married (consequently the husband is presumed to be the father).

• meduc: mother's educational level. <8 is 8th grade or less, HSG+ means high school plus some college but no degree.

• feduc: father's education. Same coding as meduc.

• married: Is the mother married?

• mage: mother's age

• fage: father's age

• total_kids: how many total births to mother including this one.

• interval: months since last birth (if applicable).

• prenatal_start: Which trimester did the mother start prenatal care?

• prenatal_visits: How many total prenatal care visits.

• mheight: Mother's height in inches

• wt_pre: Mother's weight in pounds before pregnancy

• wt_delivery: Mother's weight in pounds at delivery

• diabetes_pre: Did the mother have diabetes before pregnancy

• diabetes_gest: Did the mother develop gestational diabetes

• hbp_pre: Did the mother have high blood pressure before pregancy

• hbp_gest: Did the mother develop high blood pressure during pregnancy

• eclampsia: Did the mother develop eclampsia

• induction: Was labor induced?

• augmentation: Was the uterus stimulated to increase frequency, duration, and intensity of contractions.

• anesthesia: Was the mother given anesthesia?

• presentation: Baby's presentation at birth (e.g. cephalic or breech)

• method: method of delivery (vaginal or C-section)

• trial_at_labor: For mother's who delivered by C-section, was there an attempt at labor.

• attendant: MD, DO, midwife, other

• payment: How was the bill paid?

• apgar5, apgar10: APGAR scores (0-10) at five and ten minutes after birth.

• plurality: singletons, twins, triplets, quadruplets (as an integer 1-4)

• sex: Baby's sex

• duration: Duration of gestation, in weeks by "obstretric estimate."

• menses: Last normal menses month: 1-12 (Jan-Dec)

• weight: Baby's weight (in grams)

• living: Baby living at time of birth report

• breastfed: Baby breastfed at time of discharge

Source

US Centers for Disease Control "Natality Public Use File", CDC vital stats online

References

"User Guide to the 2022 Natality Public Use File"

LSTbook documentation built on April 3, 2025, 6:02 p.m.