PORKNO is a 3-digit-numeric variable.
0: Never or less than 6 times per year
888: 888 (1987: 888+)
995: 995+ times
996: Not in Universe
998: Unknown-not ascertained
999: Unknown-don't know
For sample adults, PORKNO reports how many times the person ate pork, such as pork chops or roasts, in a specified time period. PORKNO should be used in conjunction with PORKTP, which reports the corresponding time unit stated by the person. For information about the portion size, see PORKSIZ.
In 2010, the variable REDMEATMNO was introduced, which reports how many times the person ate red meat, such as beef, pork, ham, or sausage.
PORKNO is part of a series of variables initiated in 1987 related to food, food knowledge, and cancer. For related variables, please use the IPUMS NHIS search function and drop-down menus.
- 1987: Half of sample persons age 18+ (excluded from CACT supplement).
- 1992: Half of sample persons age 18+ in quarters 1 and 2 and 2 weeks of quarter 3 (excluded from CACT supplement).
- 1987, 1992
- 1987, 1992 : SAMPWEIGHT