[] Jan. - Mar.
[] Apr. - June
[] July - Sept.
[] Oct. - Dec.
Categories
Value
Category
1
January-February-March
2
April-May-June
3
July-August-September
4
October-November-December
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
Definition
This variable indicates the person's quarter of birth (January-March, April-June, July-September, October-December).