Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.
Description
Source of information
D02BWEEKS. (Thinking about the last time you tried to quit, how long did you stop smoking?) [ENTER NUMBER OF WEEKS]
Imputation and derivation
Imputation
D02BWEEKS. (Thinking about the last time you tried to quit, how long did you stop smoking?) [ENTER NUMBER OF WEEKS]
Others
Security
D02BWEEKS. (Thinking about the last time you tried to quit, how long did you stop smoking?) [ENTER NUMBER OF WEEKS]
