Abstract
Economically disadvantaged African-American adolescents have fruit and vegetable (F/V)
intakes that are less than optimal. To facilitate intervention planning to address
low F/V intake in this population, an understanding of determinants of youths' intake
is needed. The influence of determinants consistently supported by evidence (ie, home
F/V availability, F/V taste preferences, and parental modeling/intake) and variables
hypothesized to influence intake in the targeted population (ie, family support for
F/V consumption and Afrocentric values) were examined. Participants were African-American
adolescents recruited in 2011 through summer camps serving low-income youths (N=93).
Youths completed a cross-sectional survey. Hierarchical logistic regression analysis
was used to examine whether availability directly influenced (ie, explained variations
in) intake and whether it moderated (ie, affected the direction and/or strength of)
the relationships between the other hypothesized determinants and intake. The dependent
variable was intake of five or more daily servings of F/V estimated with the Block
7-item food frequency questionnaire. Family support was directly related to intake
(odds ratio=1.062; 95% CI 1.007 to 1.120; P=0.026). The relationships between F/V intake and taste preferences and Afrocentric
values were moderated by (ie, differed based on) home F/V availability. When availability
was high, taste preferences (odds ratio=1.081; 95% CI 1.007 to 1.161; P=0.032) and Afrocentric values (OR=2.504; 95% CI 1.303 to 4.811; P=0.006) had positive influences on intake. To enhance intervention effectiveness,
more research is warranted on approaches for increasing home F/V availability and
family support for F/V consumption in the targeted population.
Keywords
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Biography
J. Di Noia is an assistant professor, Department of Sociology, William Paterson University, Wayne, NJ.
Biography
C. Byrd-Bredbenner is a professor and extension specialist, Department of Nutritional Sciences, Rutgers, The State University of New Jersey, New Brunswick.
Article info
Publication history
Published online: March 29, 2013
Accepted:
January 28,
2013
Available online 29 March 2013Footnotes
FUNDING/SUPPORT The work under consideration was supported (in part) by funds from a summer stipend from the Research Center for the Humanities and Social Sciences at William Paterson University.
STATEMENT OF POTENTIAL CONFLICT OF INTEREST No potential conflict of interest was reported by the authors.
Identification
Copyright
© 2013 Academy of Nutrition and Dietetics. Published by Elsevier Inc. All rights reserved.
