Radimer K L, Harvey P W
Department of Social and Preventive Medicine, Australian Centre for International and Tropical Health and Nutrition, University of Queensland.
Eur J Clin Nutr. 1998 May;52(5):380-2. doi: 10.1038/sj.ejcn.1600557.
Examine the validity of self-reported use of reduced fat and reduced salt foods.
Compare data collected in a food frequency questionnaire with supermarket sales data and food supply data.
Rural Australia.
Four hundred and fifty-three respondents from an original sample of 1616 randomly-selected residents.
Community health campaign to reduce cardiovascular disease.
Reported use of reduced fat and reduced salt foods was greater than store sales and milk deliveries of these products.
External data did not support the validity of self-reported use of these products.
检验自我报告的低脂和低盐食品食用情况的有效性。
将食物频率问卷收集的数据与超市销售数据及食物供应数据进行比较。
澳大利亚农村地区。
从1616名随机抽取的居民的原始样本中选取的453名受访者。
开展旨在降低心血管疾病发病率的社区健康活动。
报告的低脂和低盐食品食用量高于这些产品的商店销售量及牛奶配送量。
外部数据不支持自我报告的这些产品食用情况的有效性。
