Development and implementation of the National Cancer Institute's food attitudes and behaviors survey to assess correlates of fruit and vegetable intake in adults

Temitope O. Erinosho, Courtney A. Pinard, Linda C. Nebeling, Richard P. Moser, Abdul R. Shaikh, Ken Resnicow, April Y. Oh, Amy L. Yaroch

Research output: Contribution to journalArticle

15 Scopus citations

Abstract

Background: Low fruit and vegetable (FV) intake is a leading risk factor for chronic disease globally as well as in the United States. Much of the population does not consume the recommended servings of FV daily. This paper describes the development of psychosocial measures of FV intake for inclusion in the U.S. National Cancer Institute's 2007 Food Attitudes and Behaviors Survey. Methods: This was a cross-sectional study among 3,397 adults from the United States. Scales included conventional constructs shown to be correlated with fruit and vegetable intake (FVI) in prior studies (e.g., self-efficacy, social support), and novel constructs that have been measured in few- to- no studies (e.g., views on vegetarianism, neophobia). FVI was assessed with an eight-item screener. Exploratory factor analysis, Cronbach's alpha, and regression analyses were conducted. Results: Psychosocial scales with Cronbach's alpha ≥0.68 were self-efficacy, social support, perceived barriers and benefits of eating FVs, views on vegetarianism, autonomous and controlled motivation, and preference for FVs. Conventional scales that were associated (p<0.05) with FVI were self-efficacy, social support, and perceived barriers to eating FVs. Novel scales that were associated (p<0.05) with FVI were autonomous motivation, and preference for vegetables. Other single items that were associated (p<0.05) with FVI included knowledge of FV recommendations, FVI "while growing up", and daily water consumption. Conclusion: These findings may inform future behavioral interventions as well as further exploration of other potential factors to promote and support FVI.

Original languageEnglish (US)
Article numbere0115017
JournalPloS one
Volume10
Issue number2
DOIs
StatePublished - Feb 23 2015

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)
  • Agricultural and Biological Sciences(all)
  • General

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