化疗患儿照顾者自我效能感量表的研制及信效度检验

Development of the caregiver self-efficacy scale for caregivers of children receiving chemotherapy: testing of reliability and validity

目的研制化疗患儿照顾者自我效能评估量表,并进行信效度检验,为评估化疗患儿照顾者的照顾信心提供有效测评工具。方法以Bandura自我效能理论为理论框架,结合文献回顾,对19名化疗患儿照顾者进行半结构访谈构建量表条目池,通过2轮专家函询法及预试验拟定初始量表。采用便利抽样法,选取395名化疗患儿照顾者为研究对象进行信效度分析。结果化疗患儿照顾者自我效能感测评量表包括21个条目。总量表Cronbach′sα系数为0.951;重测信度为0.824(P<0.01)。探索性因子分析提取与治疗相关的照顾、情绪管理、管理家务与社交3个公因子,累积方差贡献率为68.170%;量表及各维度得分与一般自我效能评分呈正相关(均P<0.01)。验证性因子分析拟合指数:χ^2/df=2.564,RMSEA=0.087,NFI=0.861,RFI=0.843,IFI=0.910。结论该量表具有良好的信效度,可以用于化疗患儿照顾者照顾自我效能感的评价。

Objective To develop a scale for measuring self-efficacy of caregivers of children receiving chemotherapy and to test its reliability and validity.Methods Based on the Bandura′s theory of self-efficacy and literature review,semi-structured interviews were conducted among 19 caregivers of children receiving chemotherapy to develop the item pool.Then two rounds of expert consultation and pilot test were utilized to formulate the initial scale.After that,a convenience sample of 395 caregivers completed the initial scale to test the reliability and validity.Results The caregiver self-efficacy scale included 21 items.The overall Cronbach′s alpha coefficient was 0.951 and the test-retest reliability was 0.824(P<0.01).Exploratory factor analysis identified 3 factors of treatment-related caregiving,emotional management,and housework management and social interaction,which could explain 68.170%of the total variance.The total score and subscale scores were positively correlated to the General Self-efficacy Scale score(P<0.01 for all).Confirmatory factor analysis showed that the model fit well(χ^2/df=2.564,RMSEA=0.087,NFI=0.861,RFI=0.843,IFI=0.910).Conclusion The scale is reliable and valid for measuring self-efficacy of caregivers of children receiving chemotherapy.