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首页> 外文期刊>Preventive Medicine: An International Journal Devoted to Practice and Theory >Behavioral variables and education are predictors of dietary change in the Women's Health Trial: Feasibility Study in Minority Populations.
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Behavioral variables and education are predictors of dietary change in the Women's Health Trial: Feasibility Study in Minority Populations.

机译：行为变量和教育是妇女健康试验：少数民族中可行性研究中饮食变化的预测指标。

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BACKGROUND: Reducing the intakes of fats and increasing consumption of fruits and vegetables are an important goal for improving population health. Analyzing the effects of nutrition education programs on subjects' dietary intakes incorporating factors such as habit persistence in diets, unhealthy eating habits, perceptions of health risks, participation motivation, and expectancies can yield useful insights. METHODS: A Food Frequency Questionnaire (FFQ) was used to measure intakes at baseline, 6 and 12 months, by 318 and 548 postmenopausal women in, respectively, the Control and Intervention groups of the Women's Health Trial: Feasibility Study in Minority Populations (WHTFSMP). Information on background, behavioral, and anthropometric variables was collected. The Intervention group met in classes led by nutritionists. Dynamic random effects models were estimated for the two groups using the data at baseline, 6 and 12 months on the intakes of carbohydrate, saturated, monounsaturated, and polyunsaturated fats, fiber, beta-carotene, ascorbic acid, and calcium. RESULTS: The nutrition education program lowered the intakes of fats while increasing fiber, beta-carotene, and ascorbic acid intakes especially in subjects scoring high on indices reflecting concerns about health, desirability of change, and participation motivation. In addition, subjects' education was a predictor of dietary intakes in the Intervention group. CONCLUSIONS: Nutrition education can be an effective tool for improving diets, but behavioral characteristics deserve greater attention in helping to design the most effective approaches for various target groups.
机译：背景：减少脂肪摄入和增加水果和蔬菜的消费是改善人口健康的重要目标。分析营养教育计划对受试者饮食摄入的影响，其中包括饮食中的习惯坚持，不健康的饮食习惯，对健康风险的感知，参与动机和期望等因素，可以得出有用的见解。方法：使用“食物频率问卷”（FFQ）分别测量了“妇女健康试验：少数群体可行性研究”（WHTFSMP）中318名和548名绝经后妇女在基线，6和12个月时的摄入量。 ）。收集有关背景，行为和人体测量学变量的信息。干预小组在营养学家的带领下举行了会议。使用基线，分别在6和12个月时的碳水化合物，饱和，单不饱和和多不饱和脂肪，纤维，β-胡萝卜素，抗坏血酸和钙的摄入量的数据估算两组的动态随机效应模型。结果：营养教育计划降低了脂肪的摄入量，同时增加了纤维，β-胡萝卜素和抗坏血酸的摄入量，特别是在那些反映出对健康，变化的渴望和参与动机的指数高的受试者中。此外，受试者的教育程度是干预组饮食摄入量的预测指标。结论：营养教育可以成为改善饮食习惯的有效工具，但是在帮助设计针对不同目标人群的最有效方法时，行为特征值得更多关注。

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