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Frequency eating pizza, number of times units


PIZZANO is a 3-digit-numeric variable.

0: Never or less than 6 times per year
996: Not in Universe
997: Unknown-refused
998: Unknown-not ascertained
999: Unknown-don't know


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

PIZZANO is part of a series of variables initiated in 1987 related to food, food knowledge, and cancer.


Beginning in 2010, PIZZANO explicitly included frozen, fast food, or homemade pizza. Prior to 2010, respondents were not given instructions about what types of pizza to include.

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 IPUMS NHIS weights.


  • 1992: Half of sample persons age 18+ in quarters 1 and 2 and 2 weeks in quarter 3 (excluded from CACT supplement).
  • 2010; 2015: Sample adults age 18+.


  • 1992, 2010, 2015