期刊
AMERICAN JOURNAL OF HEALTH PROMOTION
卷 22, 期 1, 页码 6-14出版社
AMER J HEALTH PROMOTION INC
DOI: 10.4278/0890-1171-22.1.6
关键词
stage of change; nutrition education; transtheoretical model; fruits; vegetables; young adults; dietary intake; health Behaviors; nutrition intervention
Purpose. Assess effectiveness of an intervention to improve fruit and vegetable consumption in economically disadvantaged young adults. Design. Randomized treatment-control, pre-post design. Setting. Ten states. Subjects. Young adults (n = 2024, ages 18-24) were recruited from noncollege venues; 1255 (62%) completed assessment. interviews at baseline and at 4 and 12 months. Intervention. Treatment participants received a series of inailedmaterials rind two educational calls in 6 months. Controls received a mailed pamphlet. Measures. Assessment calls determined two measures of fruit and vegetable intakes, demographics and stage of change (it baseline, 4 and 12 months, plus treatment participants' decisional balance, processes, and self-efficacy. Analysis. Repeated measure analysis of variance, intent-to-treat, chi(2), and logistic regression. Results. At follow-up, participants in the experimental group had higher intakes of fruit and vegetables than controls (perceived daily intakes of 4.90 vs. 4.60 servings per day, F = 3.49, p < .05 and 4.31 vs. 3.92 servings/dag via 5-A-Day Screener, F = 4.78, p < .01) and greater progression to action or maintenance stages (66% progress in fruit for intervention vs. 55% progress in fruit for controls; 47% vs. 32% progress for vegetables, p =.0080 and .0001, respectively). Lower education, non-White ethnicity, male gender, living with 2 children, and experimental group assignment predicted attrition (X-6df(2) = 288, p < .001, Cox R-2 = .132). Conclusions. Tailored educational messages and research-extension partnerships are advantageous for improving fruit and vegetable intakes of young adults.
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