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Frequency eating rice, past year: Number of units


RICENO 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
997: Unknown-refused
998: Unknown-not ascertained
999: Unknown-don't know


For sample adults, RICENO reports how many times the respondent ate rice in a specified time period. RICENO should be used in conjunction with RICETP, which reports the corresponding time unit stated by the respondent. For information about the portion size, see RICESIZ.

Beginning in 2010, the variables BRICEMNO and BRICEMTP were introduced, which report the frequency and time unit with which respondents consume brown rice and other whole grains.

RICENO 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.


Changes in survey design (e.g., quarters in which the supplement was collected) may affect raw frequencies, but do not affect comparability of the variable. As always, data users should use the prescribed IHIS weights.


  • 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