The development and application of multidimensional sub-health questionnaire of adolescents (MSQA) / 中华疾病控制杂志

ABSTRACT

Objective To develop the multidimensional sub-health questionnaire of adolescents(MSQA)which is suitable for Chinese adolescents.Methods The original questionnaire was composed of 101 items related to physical and psychological domains and six dimensions.Different statistic methods were taken to do item analysis,reliability and validity evaluation.Results The final MSQA was composed of 71 items.The test-retest correlation coefficient,Cronbach's ? coefficient and split-half reliability coefficient of the questionnaire were 0.868,0.958,0.942,respectively.Taking SCL-90 and CMI as criterion,the criterion-related validity were 0.636,0.649,respectively.The structure of MSQA from factor analysis identified with the original designs.Both of scores and the number of items,which sub-health symptoms lasted for more than one month,on physical,psychological domains and overall questionnaire in first test,were higher than the later one among freshmen.Scores and the number of items for grade one high school students were lower than those of grade three students.Conclusions The MSQA is successfully developed with good reliability and validity coefficient,and can be promoted in large sample population.