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Flag for cases where no. times beverages consumed coded inconsistently

Codes and Frequencies

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For sample adults, DRINKNOFLAG is a generated variable that flags cases where the number of times a beverage was consumed has been coded inconsistently.

DRINKNOFLAG 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)


  • 1987