钙和其它营养素摄入量用食物频率法评价。
Calcium and other nutrients intakes we re assessed by a food-frequency method.
在研究伊始和1年后采用半定量食物频率问卷调查法评估饮酒量。
With use of a semiquantitative food-frequency questionnaire, alcohol intake was evaluated at baseline and at 1 year.
方法用简化的食物频率询问法，对两地120 0 0多名40岁及以上农村老年人进行调查。
Methods Total 12 000 persons aged 40 year and over from these two cities were included. Simplified Food Frequency Questionnaire (SFFQ) was used.
采用填写膳食频率调查表法和三天膳食记录法调查食物摄入和相关生活方式。
In addition, diet intake and life styles were reflected from food frequency survey and 3-day food record.
[目的]以3天食物称重记录法为参照标准，对潮汕地区半定量食物频率调查表的有效性进行检验。
[Objective] To validate a Semi-Quantitative Food Frequency Questionnaire (SQFFQ) against 3-day Weighed Diet Records (WDRs) for middle-aged inhabitants in Chaoshan Area.
[目的]以3天食物称重记录法为参照标准，对潮汕地区半定量食物频率调查表的有效性进行检验。
[Objective] To validate a Semi-Quantitative Food Frequency Questionnaire (SQFFQ) against 3-day Weighed Diet Records (WDRs) for middle-aged inhabitants in Chaoshan Area.
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