[Method of dietary nutritional status assessment and its application in cohort study of nutritional epidemiology].

Minimizing the burden on study subjects and assessing the general dietary nutritional status as accurately as possible are the basis of a nutritional epidemiological cohort study in the general population. While introducing the main dietary nutrition assessment methods, this paper manly describes the basic contents and principles for the development of food frequency questionnaire, and briefly illustrates the problems and solutions for the development of area specific food frequency questionnaires by taking the example of Tianjin Chronic Low-grade Systemic Inflammation and Health (TCLSIH) cohort study. Finally, discusses preliminarily the necessity and possibility of developing a national food frequency questionnaire.在一般人群中，尽可能减少受试者负担，且最大限度地正确评估日常膳食营养状态是构建营养流行病学队列研究的前提条件。本文介绍主要膳食营养评估方法的同时，着重说明食物频率问卷（food frequency questionnaire）开发的基本内容及其原则，并以天津营养流行病学队列研究（TCLSIH队列研究）调查为例，简单说明地区性食物频率问卷开发的问题点和解决策略。在此基础上，初步讨论全国版食物频率问卷开发的必要性和可能性。.