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CHIPTP
Frequency eating chips: time period
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Codes and Frequencies



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Description

For sample adults, CHIPTP reports the time unit (day, week, month, or year) that corresponds with the frequency with which the respondent reported eating chips. CHIPTP should be used in conjunction with CHIPNO, which reports the corresponding frequency stated by the respondent. For information about the portion size, see CHIPSSIZ.

CHIPTP 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.

Comparability

Prior to 2000, respondents were asked how often they consumed salty snacks like chips or popcorn. The field representative's manual in 1992 specifies that this applies equally to corn chips, potato chips, and pretzels. In 2000, the survey question is exclusively about chips and specifies that this includes regular fat potato chips, tortilla chips, and corn chips. The 2000 survey specifies that non-fat baked chips are not to be included. Low or unsalted versions of these snacks are included.

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.

Universe

  • 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).
  • 2000: Sample adults age 18+.

Availability

  • 1987, 1992, 2000

Weights