Relative validation of a food frequency questionnaire for national health and nutrition monitoring.
Relative validation of a food frequency questionnaire for national health and nutrition monitoring.
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DOI：
10.1186/1475-2891-9-36
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发表时间：
2010-09-14
影响因子：
5.4
通讯作者：
Mensink GB
中科院分区：
文献类型：
--
作者：
Haftenberger M;Heuer T;Heidemann C;Kube F;Krems C;Mensink GB
食物频率问卷（FFQ）的验证很重要，因为不正确的信息可能导致有偏见的关联。因此，为2008-2011年德国成人健康检查调查（DEGS）开发的FFQ的相对有效性进行了检验。在德国国家营养监测（NEMONIT）正在进行的一项全国性调查中，对161名参与者（18至80岁）的样本进行了FFQ和两次24小时召回的食品消费数据的横断面比较。数据收集时间为2008年11月至2009年4月。FFQ和24小时饮食回忆之间的Spearman等级相关性从披萨的0.15到茶的0.80，其中三分之二的相关系数超过0.30。除披萨和煮熟的蔬菜外，所有相关系数均有统计学意义。两种方法评估的摄入量相同或接近四分位数的参与者比例在煮熟蔬菜的68%和咖啡的94%之间。在38%的食物组中，两种方法对食物消费的估计没有统计学上的显著差异。对于其他食物组，FFQ对食物消耗的估计通常不会高于或低于24小时饮食召回的估计。FFQ在评估德国成年人的食物消费方面似乎是合理有效的。对于某些食品类别，如生的和熟的蔬菜，相对的风险估计应该谨慎解释，因为排名不一致。
Validation of a food frequency questionnaire (FFQ) is important as incorrect information may lead to biased associations. Therefore the relative validity of an FFQ developed for use in the German Health Examination Survey for Adults 2008-2011 (DEGS) was examined. Cross-sectional comparisons of food consumption data from the FFQ and from two 24-hour recalls were made in a sample of 161 participants (aged 18 to 80 years) of an ongoing nationwide survey, the German National Nutrition Monitoring (NEMONIT). The data collection took place from November 2008 to April 2009. Spearman rank correlations between the FFQ and the 24-hour dietary recalls ranged from 0.15 for pizza to 0.80 for tea, with two third of the correlation coefficients exceeding 0.30. All correlation coefficients were statistically significant except those for pizza and cooked vegetables. The proportion of participants classified into the same or adjacent quartile of intake assessed by both methods varied between 68% for cooked vegetables and 94% for coffee. There were no statistically significant differences in food consumption estimates between both methods for 38% of the food groups. For the other food groups, the estimates of food consumption by the FFQ were not generally higher or lower than estimates from the 24-hour dietary recalls. The FFQ appears to be reasonably valid in the assessment of food consumption of German adults. For some food groups, such as raw and cooked vegetables, relative risks estimates should be interpreted with caution because of the poor ranking agreement.
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