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
Please let me know if each was a reason why you quit smoking. Family or friends were against your smoking?
Imputation and derivation
Imputation
Please let me know if each was a reason why you quit smoking. Family or friends were against your smoking?
Others
Security
Please let me know if each was a reason why you quit smoking. Family or friends were against your smoking?