Complete-Data National Health and Nutrition Examination Survey Data I Epidemiologic Follow-up Study

Description

nhefs_complete is the same as nhefs, but only participants with complete data are included. The variables that need to be complete to be included are: qsmk, sex, race, age, school, smokeintensity, smokeyrs, exercise, active, wt71, wt82, and wt82_71.

Usage

nhefs_complete

Format

A data frame with 1556 rows and 67 variables. The codebook is available as nhefs_codebook.

Source

https://wwwn.cdc.gov/nchs/nhanes/nhefs/

References

Hernán and Robins. Causal Inference. https://www.hsph.harvard.edu/miguel-hernan/causal-inference-book/