Correspondence of the NCI Fruit and Vegetable Screener to repeat 24-H recalls and serum carotenoids in behavioral intervention trials

Department of Nutrition and Food Sciences, University of Rhode Island, Kingston, RI 02881, USA.
Journal of Nutrition (Impact Factor: 3.88). 02/2008; 138(1):200S-204S.
Source: PubMed


Five sites participating in the NCI Behavior Change Consortium administered the NCI Fruit and Vegetable Screener (FVS) and multiple, nonconsecutive 24-h dietary recall interviews (24HR) to 590 participants. Three sites also obtained serum carotenoids (n = 295). Participants were primarily female, ethnically diverse, and varied by age and education. Correlations between 24HR and FVS by site ranged from 0.31 (P = 0.07) to 0.47 (P < 0.01) in men and from 0.43 to 0.63 (P < 0.01) in women. Compared with 24HR, FVS significantly (P < 0.05) overestimated intake at 2 of 4 sites for men and all 4 sites for women. Differences in estimated total servings of fruits and vegetables/d ranged from 0.16 to 3.06 servings. On average, the FVS overestimated intake by 1.76 servings in men and 2.11 servings in women. Alternative FVS scoring procedures and a 1-item screener lowered correlations with 24HR as well as serum carotenoids but alternate scoring procedures generally improved estimations of servings.

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    • "The main outcome, assessed at each time point, was FV intake measured using a modified version of the 10-item NCI FV screener (Greene et al., 2008; Peterson et al., 2008; Thompson et al., 2002). The modified 19-item version included nine additional FV available at the FM (e.g., peach, apple, orange, cantaloupe, cabbage, broccoli, squash/zucchini, sweet potato, tomato). "
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    • "Two recent systematic reviews concluded the association between the neighborhood food environment and dietary intake was weak and inconsistent [31, 32]. This area of research has been criticized for reliance on less rigorous study designs (e.g., cross sectional studies) and limitations in measurement of diet (i.e., under- and overreporting are significant problems with several measures of diet, particularly food frequency questionnaires [83]) and the food environment [84]. In this study, it was hypothesized that mediation effects of home availability of fruits and vegetables and moderation effects of impact of weekly stressful events would contribute to greater understanding of the food environment and fruit and vegetable consumption, but mediation and moderation effects were not found. "
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