city with population over 1 million - other than capital
over 250,000 to 1million
50,000 to 250,000
less than 50,000 population
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.
Location control variable: it is defined by the actual location of the establishment
CONTROL INFORMATION [TO BE COMPLETED BEFORE INTERVIEW]