SPINNO 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 ages 18 and older, SPINNO reports the frequency with which the respondent ate spinach in the past year. SPINNO should be used in conjunction with SPINTP, which reports the corresponding time unit stated by the respondent. Researchers may also want to use SPINSIZ, which reports the corresponding portion size.
SPINNO 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