PODDUR4M is a 3-digit-numeric variable.
0: Less than 1 month
996: Not in Universe
997: Whole life
For persons with at least four reported foot problems during the past 12 months, PODDUR4M indicates the duration of the fourth foot problem, in months.
PODDUR4M is part of the NHIS Podiatry Supplement, introduced in 1990. The purpose of this supplement is to obtain current data concerning problems with the feet, access to foot care, and the amount, frequency, and type of foot care obtained. For related variables and more information about this supplement, please use the IPUMS NHIS search function and drop-down menus.
- 1990: Persons with at least 3 reported foot problems during the past 12 months.
- 1990 : PERWEIGHT