The reliability and validity of short form health belief model scale for stroke patients
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摘要: 目的 为了更简便地测量脑卒中患者的健康信念水平，将Champion健康信念量表 （the champion health belief model scale，CHBMS）中文版进行简化。方法 对88例患者的CHBMS健康信念量表的完整中文版问卷进行条目分析，并采用专家咨询法进行修订并简化为健康信念简表（short form fealth belief model scale，SF-HBMS），并对235例脑卒中患者问卷调查，采用SPSS 17.0及Mplus 7.0软件检验简表的信度和效度。结果 简化后的量表的条目水平内容效度指数（item-level content validity index，I-CVI）平均为0.97，量表水平的全体一致内容效度指数（sale-content validity index/universal agreement，S-CVI/UA）和平均内容效度指数（sale-content validity index/ average，S-CVI/Ave）分别为0.85、0.97；总量表的同质性信度、分半信度、重测信度分别为0.835、0.779、0.811；验证性因子分析模型的常态化卡方值（χ2/df）为1.642，比较拟合指数（comparative fit index，CFI）为0.939，Tucker-Lewis 指数（tucker-lewis index，TLI）为0.926，标准化残差均方根（standardized root mean square residual，SRMR）为0.062，近似误差平方根（root mean square error of approximation，RMSEA）为0.052，P=0.361，说明模型精确拟合数据。简表与完整版量表的效标效度为0.956。SF-HBMS能区分不同文化程度患者的健康信念水平（t=-2.282，P=0.023），区分效度较好。结论 SF-HBMS具有较好的信度和效度，可用于测量脑卒中患者的健康信念水平。Abstract: Objective To simplify the Chinese version of the champion health belief model scale (CHBMS). Methods The Chinese version of CHBMS was revised using item analysis and expert consultation methods. A total of 235 stroke patients were recruited and investigated with short form health belief model scale (SF-HBMS). SPSS 17.0 and Mplus 7.0 software were used to test the reliability and validity. Results The item-level content validity index(I-CVI)was 0.97. The Sale-CVI/ universal agreement (S-CVI/UA) was 0.85. The Sale-CVI/average (S-CVI/Ave) was 0.97. The Cronbach's α was 0.835. The split-half reliability was 0.779. The test-retest reliability was 0.811. The confirmatory factor analysis was performed to test the construct validity. The χ2/ df was 1.642. The comparative fit index (CFI) was 0.939. The tucker-lewis index (TLI) was 0.926. The standardized root mean square residual (SRMR) was 0.062; the root mean square error of approximation(RMSEA)was 0.052, P=0.361, which all demonstrated that six dimensions and their items were all consistent and fitted with its theoretical structure. The criterion-related validity was 0.956. It could distinguish the difference of health belief among patients with different educational level (t=-2.282，P=0.023) and had desired discriminative validity. Conclusions The SF-HBMS has satisfactory reliability and validity, and can be used to assess the level of health belief for stroke patients.
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Key words:
- Stroke /
- Attitude to health /
- Questionnaire
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