OJNO is a 3-digit-numeric variable.
0: Never or less than 6 times per year
888: 888 (1987: 888+)
996: Not in Universe
998: Unknown-not ascertained
999: Unknown-don't know
For sample adults, OJNO reports how many times the respondent consumed orange or grapefruit juice in a specified time period. OJNO should be used in conjunction with OJTP, which reports the corresponding time unit stated by the respondent. For information about the portion size, see OJSIZ.
OJNO 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 in 2 weeks of quarter 3 (excluded from CACT supplement).
- 1987, 1992
- 1987, 1992 : SAMPWEIGHT