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Data resource profile: nutrition data in the VA million veteran program.

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The Department of Veterans Affairs Million Veteran Program collected nutrition data from over 350,000 participants using a food frequency questionnaire. This valuable data supports research into Veteran health and public health policy.

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Area of Science:

  • Nutrition Science
  • Public Health
  • Epidemiology

Background:

  • The Department of Veterans Affairs Million Veteran Program (MVP) collects extensive health and lifestyle data from veteran participants.
  • Dietary intake is a critical determinant of health, influencing chronic disease risk and overall well-being.

Purpose of the Study:

  • To describe the characteristics of nutrition data collected within the MVP.
  • To highlight the potential utility of this data for research and public health initiatives.

Main Methods:

  • Nutrition data was obtained using a semiquantitative food frequency questionnaire (SFFQ).
  • The SFFQ assessed habitual consumption of 61 food items, added sugar, fried food frequency, and 21 nutritional supplements over the preceding 12 months.
  • Complete nutrition data was available for 353,418 MVP participants as of September 30, 2021.

Main Results:

  • The MVP nutrition dataset includes energy, nutrient, and non-nutritive food component information for 353,418 participants.
  • Participants were predominantly male (91.5%) with an average age of 65.7 years at enrollment.
  • Mean energy intake was 1428 ± 616 kcal/day, with variations noted between males and females.

Conclusions:

  • The MVP nutrition data, derived from SFFQ, is a significant resource for understanding Veteran health.
  • Integration with other MVP data (Lifestyle Survey, EHR, genomics) enables comprehensive analysis of nutritional status, risk factors, and health determinants.
  • This data can inform evidence-based public health policy and targeted health promotion for Veterans and the general population.