运用简短的饮食问题来制定饮食行为指标,以便在调查中用于探究饮食选择的态度和/或行为方面。
Using Short Dietary Questions to Develop Indicators of Dietary Behaviour for Use in Surveys Exploring Attitudinal and/or Behavioural Aspects of Dietary Choices.
作者信息
Daly Alison, Pollard Christina M, Kerr Deborah A, Binns Colin W, Phillips Michael
机构信息
School of Public Health, Curtin University, Kent Street, Perth 6845, Australia.
Department of Health in Western Australia, 189 Royal Street, East Perth 6004, Australia.
出版信息
Nutrients. 2015 Aug 4;7(8):6330-45. doi: 10.3390/nu7085287.
For countries where nutrition surveys are infrequent, there is a need to have some measure of healthful eating to plan and evaluate interventions. This study shows how it is possible to develop healthful eating indicators based on dietary guidelines from a cross sectional population survey. Adults 18 to 64 years answered questions about the type and amount of foods eaten the previous day, including fruit, vegetables, cereals, dairy, fish or meat and fluids. Scores were based on serves and types of food according to an established method. Factor analysis indicated two factors, confirmed by structural equation modeling: a recommended food healthful eating indicator (RF_HEI) and a discretionary food healthful eating indicator (DF_HEI). Both yield mean scores similar to an established dietary index validated against nutrient intake. Significant associations for the RF_HEI were education, income, ability to save, and attitude toward diet; and for the DF_HEI, gender, not living alone, living in a socially disadvantaged area, and attitude toward diet. The results confirm that short dietary questions can be used to develop healthful eating indicators against dietary recommendations. This will enable the exploration of dietary behaviours for "at risk" groups, such as those with excess weight, leading to more relevant interventions for populations.
对于营养调查开展不频繁的国家而言,需要有某种衡量健康饮食的指标来规划和评估干预措施。本研究展示了如何基于横断面人群调查的膳食指南来制定健康饮食指标。18至64岁的成年人回答了有关前一天所吃食物的种类和数量的问题,包括水果、蔬菜、谷物、乳制品、鱼或肉以及饮品。得分是根据一种既定方法,依据食物的份数和种类来确定的。因子分析表明存在两个因子,这一点通过结构方程模型得到了证实:一个是推荐食物健康饮食指标(RF_HEI),另一个是自由支配食物健康饮食指标(DF_HEI)。二者得出的平均得分与依据营养素摄入量验证过的既定膳食指数相似。RF_HEI与教育程度、收入、储蓄能力以及对饮食的态度存在显著关联;而DF_HEI与性别、非独居、生活在社会弱势地区以及对饮食的态度存在显著关联。结果证实,简短的饮食问题可用于对照膳食建议制定健康饮食指标。这将有助于探究“高危”群体(如超重人群)的饮食行为,从而为人群制定更具针对性的干预措施。
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