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首页> 外文期刊>Preventive Medicine: An International Journal Devoted to Practice and Theory >Relationships of physical activity with dietary behaviors among adults.
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Relationships of physical activity with dietary behaviors among adults.

机译：成人的体育锻炼与饮食行为的关系。

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BACKGROUND: Physical activity and diet are important influences on health, but few data are available about the relationship between these two factors. The purpose of this study was to examine relationships between physical activity and dietary quality and to identify determinants of the combination of sedentary behavior and suboptimal diet. METHODS: The design of this study was cross-sectional. The setting was a large managed-care organization and the participants were 1,322 racially diverse men and women ages 25-91 years. We categorized subjects' physical activity into vigorous, moderate, and sedentary based on answers to two validated interviewer-administered questions about intensity and duration of specified activities. Dietary assessment was by means of a validated short food frequency questionnaire. We defined suboptimal diet as consuming unhealthful quantities of at least two of the following five food groups: fruits, vegetables, whole grain foods, whole-fat dairy foods, and red and processed meats. RESULTS: Seven hundred fifty-four (57%) subjects were sedentary and 617 (47%) consumed a suboptimal diet. Using multiple linear regression, we found that sedentary individuals consumed smaller amounts of foods and nutrients considered to be healthful, such as fruits and vegetables, fiber, calcium, folate, and vitamins A, C, and E, than more active participants. For nutrients considered to be harmful, such as saturated fat, trans fat, and dietary cholesterol, the association with physical activity was inverse. In multiple logistic regression analyses, the strongest sociodemographic correlates of the joint presence of inactivity and poor diet were less education [odds ratio for 1-year decrease 1.14 (95% confidence interval 1.06, 1.22)], nonwhite race [1.48 (1.05, 2.07)], and nonmarried status [1.49 (1.06, 2.10)]. CONCLUSIONS: Physical activity and diet quality are correlated behaviors. Suboptimal diet and sedentary behavior tend to cluster in individuals who are less educated, not married, and of nonwhite race. Programs that target diet and activity together, informed by their joint determinants, may attain enhanced outcomes. Copyright 2001 American Health Foundation and Academic Press.
机译：背景：体育锻炼和饮食对健康有重要影响，但是关于这两个因素之间关系的数据很少。这项研究的目的是检查身体活动与饮食质量之间的关系，并确定久坐行为和次优饮食相结合的决定因素。方法：本研究的设计是横断面的。该机构是一家大型管理医疗组织，参与者为25岁至91岁的1,322名种族多样化的男性和女性。根据对指定活动的强度和持续时间的两个经验证的访调员管理的问题的答案，我们将受试者的身体活动分为有力的，中度的和久坐的。饮食评估是通过经过验证的短期食物频率调查问卷进行的。我们将次优饮食定义为食用以下五种食物中至少两种的不健康数量：水果，蔬菜，全谷物食物，全脂乳制品以及红色和加工肉类。结果：七百四十（57％）个受试者久坐，617个（47％）的饮食不理想。使用多元线性回归，我们发现久坐的人比活跃的参与者食用了较少的被认为是健康的食物和营养素，例如水果和蔬菜，纤维，钙，叶酸以及维生素A，C和E。对于被认为有害的营养物质，例如饱和脂肪，反式脂肪和饮食中的胆固醇，其与身体活动的关系相反。在多项逻辑回归分析中，缺乏活动和饮食不良共同存在的社会人口统计学相关性最强的是教育程度较低[1年比值比下降1.14（95％置信区间1.06，1.22）]，非白人种族[1.48（1.05，2.07） ）]和未婚身份[1.49（1.06，2.10）]。结论：体育锻炼和饮食质量是相关的行为。不理想的饮食和久坐的行为往往集中在受教育程度较低，未婚和非白人种族的个体中。在其共同决定因素的指导下，一起针对饮食和活动的计划可能会获得更好的结果。版权所有2001美国健康基金会和学术出版社。

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