HDNODAYS is a 3-digit numeric variable with no implied decimals.
999: Not in universe
0: Less than 5 days
997: At least 7 days, unknown exact number
For sample persons aged 18 and older who worked at a civilian job last year and had any hand discomfort last year due to an injury, HDNODAYS reports the number of days that the person had hand discomfort last year.
This variable was included in the 1988 Occupational Health supplement.
- 1988: Sample persons aged 18+ who worked last year at a civilian job and who had any hand discomfort in the past 12 months due entirely to an injury
- 1988 : SUPP2WT