Analysis of Reliability and Validity for Clinical Experts Questionnaire about Coronary Heart Disease
- VernacularTitle:冠心病临床专家调查问卷信度效度分析
- Author:
Mingxue ZHANG
;
Hongxin CAO
;
Jinxiao LIN
- Publication Type:Journal Article
- Keywords:
coronary heart disease;
questionnaire;
reliability;
validity
- From:
Chinese Journal of Information on Traditional Chinese Medicine
2006;0(04):-
- CountryChina
- Language:Chinese
-
Abstract:
Objective To study the reliability and validity of clinical experts questionnaire of syndrome factors, characteristics and evolution of coronary heart disease. Methods The clinical expert questionnaire was sent to 305 clinical doctors of cardiovascular disease. The questionnaire of coronary heart disease was described through four phases data, and reliability and validity of each module and the total scale were tested. Results Cronbach's ? coefficient of the modules varies between 0.959 3~0.972 5 and higher than 0.8, the value of the scale was 0.990 3. Split-half reliability of the modules varies between 0.891 8~0.922 5, Cronbach's ? of split-half reliability of the total scale was 0.920 7. Factor analysis showed that each module was abstracted four factors and the total contribution rate was more than 50%, the result after varimax rotation was consistent with the theory. Conclusion The questionnaire can fully reflect symptoms and signs of patients with coronary heart disease, and can be used for syndrome studies of coronary heart disease.