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
in the past 12 months, about how many months of work [name] did he / she spend o
Imputation and derivation
Imputation
in the past 12 months, about how many months of work [name] did he / she spend o
Others
Security
in the past 12 months, about how many months of work [name] did he / she spend o