中文版特异性用药信念量表应用于2型糖尿病患者的信效度检验

The reliability and validity of the Chinese version of Beliefs about Medicines Questionnaire-Specific among patients with type 2 diabetes mellitus

目的汉化适用于2型糖尿病患者的特异性用药信念量表,并在2型糖尿病患者中检测其信效度。方法对特异性用药信念量表进行翻译、回译等,采用便利抽样法抽取118例2型糖尿病患者进行调查,检验量表的内部一致性信度、重测信度、内容效度、结构效度和判别效度。结果中文版特异性用药信念量表2个维度的Cronbach′sα系数分别为0.749和0.796;重测信度分别为0.809和0.751。量表各条目的内容效度指数为0.857~1.000,量表的平均内容效度指数为0.980。探索性因子分析提取2个公因子,分别为用药顾虑和用药必要性,解释总方差的62.25%。高分组患者的得分显著高于低分组患者(P<0.01)。结论中文版特异性用药信念量表运用于我国2型糖尿病患者具有良好的信效度,可用于测量2型糖尿病患者用药信念。

Objective To translate the English version of Beliefs about Medicines Questionnaire-Specific into Chinese and test the reliability and validity of the Chinese version among patients with type 2 diabetes mellitus.Methods The English version of Beliefs about Medicines Questionnaire-Specific was translated into a Chinese version,which was later back-translated.Totally,118 type 2 diabetic patients were recruited and investigated with the Chinese version of Beliefs about Medicines Questionnaire-Specific to test the internal consistency,test-retest reliability,content validity,construct validity and discriminative validity.Results The Cronbach′sαcoefficient of the two dimensions of Beliefs about Medicines Questionnaire-Specific was 0.749 and 0.796,the test-retest reliability coefficient was 0.809 and 0.751.The content validity index(CVI)of items ranged from 0.857 to 1.000,and the average CVI was 0.980 for the total scale.Two factors were extracted by exploratory factor analysis,and named as concerns and necessity respectively,which contributed an accumulative 62.25%of the total variance.Significant differences were found between the higher score and lower score groups(P<0.01).Conclusion The Chinese version of Beliefs about Medicines Questionnaire-Specific enjoys satisfactory reliability and validity,which favors its use in mainland Chinese type 2 diabetes patient.