STDAYS
Number of days having any episodes of sore or dry throat, past 2 weeks
STDAYS is a 2-digit numeric variable with no implied decimals.
0: Not in universe
99: Unknown
For sample persons aged 18 and older who worked at a civilian job in the past 2 weeks and who reported having any episodes of sore or dry throat during that time, STDAYS reports the number of days in the past 2 weeks that the person had any throat conditions.
This variable was included in the 1988 Occupational Health supplement.