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LIVERYR is a 4-digit-numeric variable.

0: Never or less than 6 times per year
9995: 9995+
9996: Not in Universe
9999: Unknown-don't know


For sample adults, LIVERYR is a recoded variable that reports how many times per year the person consumed liver, including chicken liver. This recoded variable is based on the responses to LIVERNO, which reports the frequency with which the person ate liver, and LIVERTP, which reports the corresponding time unit. For information about the portion size, see LIVERSIZ.

LIVERYR 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 in 2 weeks of quarter 3 (excluded from CACT supplement).


  • 1987, 1992