使用经验证有效的食物频率问卷收集饮食摄入资料。
Information on dietary intake was collected using a validated food frequency questionnaire.
以葡萄糖作为参考值，利用有效的食物频率问卷来估计GI和GL。
A validated food-frequency questionnaire was used to estimate GI and gl, with glucose as the reference value.
镁的摄入情况是通过每4年向参加者发放半定量的食物频率问卷表来调查的。
Magnesium consumption was determined with a semiquantitative food frequency questionnaire sent to the subjects every 4 years.
参与者通过完成一项食物频率问卷来评估过去的饮食。在这些男性中，298人被诊断为偶发的前列腺癌。
Participants completed a food frequency questionnaire to assess their diet over the past year. Of these men, 298 were diagnosed with incident prostate cancer.
该研究使用食物频率问卷来追踪参与者每四年一次，关于多久一次，平均而言，每种水果他们所吃的量都是标准的。
The studies used food frequency questionnaires to follow up the participants every four years, asking how often, on average, they ate a standard portion of each fruit.
饮食摄入的评估是根据一项由双亲完成的半定量食物频率问卷调查。
A parent-completed semi-quantitative food frequency questionnaire was used to estimate dietary intake.
调查开始时所有参与者都无抑郁表现，他们被要求完成一份关于136种食物食用频率的问卷。
All of the participants were free of depression when they were recruited to the study, and each filled out a 136-item food frequency questionnaire when they joined.
方法采用《大学生行为方式及食物频率问卷调查表》，对郑州大学2118名新生的行为方式及食物频率进行调查。
Methods A questionnaire survey regarding the general information, behaviors, and frequency of food consumption was conducted among 2118 freshmen of Zhengzhou University.
方法采用《大学生行为方式及食物频率问卷调查表》，对郑州大学2118名新生的行为方式及食物频率进行调查。
Methods A questionnaire survey regarding the general information, behaviors, and frequency of food consumption was conducted among 2118 freshmen of Zhengzhou University.
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