大学生膳食健康素养评价问卷的开发及信效度评价

目的 开发大学生膳食健康素养评价问卷并对其进行信效度评价.方法 在参考国外有关量表基础上,通过专家咨询初步筛选出问卷条目.采用分层等比例抽样的方法在复旦大学选取文、理、医科各200名大学生进行线上问卷调查.采用同质性信度、重测信度和分半信度进行信度评价,采用结构效度进行效度评价.结果 问卷回收率为99.0％,有效问卷为...

Development of nutrition literacy assessment questionnaire for college students and the evaluation of relability and validity

Objective To develop nutrition literacy assessment questionnaire for college students and to evaluate its reliability and validity. Methods Five specialists were interviewed to select initial items based on reviewing foreign related literature.Stratified equal proportion sampling method was adopted to select 200 college students of arts,science and medicine in Fudan University for online questionnaire survey.The internal consistent reliability,test-retest reliability and construct validity of the questionnaire were examined. Results The response rate was 99.0%,and 576 valid questionnaires were collected.The questionnaire including 13 items was divided into 3 dimensions:obtaining dietary nutrition information,understanding dietary nutrition information and evaluation and application of dietary nutrition information.The reliability of the questionnaire was acceptable:Cronbach's α coefficient was 0.740;test-retest reliability was 0.783;split-half reliability was 0.757.In terms of validity, the structure validity of the questionnaire was good.The factor analysis indicated that contributing rate of cumulative sums of squares was 57.733%. Conclusion The questionnaire has good reliability and validity.It has some application value and can be further improved through practical applications.