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
F01DCART. Did each carton contain 100 cigarettes, 200 cigarettes, or another amount?
Imputation and derivation
Imputation
F01DCART. Did each carton contain 100 cigarettes, 200 cigarettes, or another amount?
Others
Security
F01DCART. Did each carton contain 100 cigarettes, 200 cigarettes, or another amount?
