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Codes and Frequencies

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For sample adults, OJSIZ reports the respondent's average portion size (small, medium, or large) when drinking orange or grapefruit juice. A medium portion was defined as 6 ounces. Researchers may wish to use OJSIZ with OJNO, which reports the frequency with which the respondent drank orange or grapefruit juice, and OJTP, which reports the corresponding time unit.

OJSIZ 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) who reported consuming orange/grapefruit juice in the past year or so.
  • 1992: Half of sample persons age 18+ in quarters 1 and 2, and in 2 weeks of quarter 3 (excluded from CACT supplement) who have consumed orange juice at least once in the past year.


  • 1987, 1992