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SODAYR
Times per year consumed non-diet soda
Return to Sugars and Fats (frequency) variables list

Codes

SODAYR is a 4-digit-numeric variable.

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

Description

For sample adults, SODAYR is a recoded variable that reports how many times per year the respondent consumed soda or soft drinks. This recoded variable is based on the responses to SODAPNO, which reports the frequency with which the respondent drank soda or soft drinks, and SODAPTP, which reports the corresponding time unit. For information about the portion size, see SODASIZ.

SODAYR 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 about foods they usually ate in the past year. Beginning in 2000, this recall period was reduced to foods the respondent usually ate in the past month. The structure of the responses (recording number of times a food was consumed and the time unit associated with that frequency) makes it possible to compare response categories even with different recall periods. In 2005, this format of separate frequency and time units was not used; instead respondents' answers were organized into pre-defined categories. Researchers interested in using all years of available data may consider seeing the 2005 variable SODAMO, and modifying SODAPNO and SODAPTP to correspond to the pre-defined categories from 2005.

Prior to 2005 SODAPNO included all regular (non-diet) soda and soft drinks, including sweetened Kool-Aid and other non-carbonated, sugared soft drinks. Beginning in 2005, soft drinks were further divided and SODAPNO only includes soda and other non-diet, carbonated soft drinks.

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).

Availability

  • 1987, 1992

Weights