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
GG3B. (In the last 30 days, have you noticed information about the dangers of using electronic cigarettes in any of the
Imputation and derivation
Imputation
GG3B. (In the last 30 days, have you noticed information about the dangers of using electronic cigarettes in any of the
Others
Security
GG3B. (In the last 30 days, have you noticed information about the dangers of using electronic cigarettes in any of the