Content and Face Validity of the Mackey Childbirth Satisfaction Rating Scale Questionnaire Crossculturally Adapted to Brazilian Portuguese

Abstract Objective The aim of this study was to determine the content and face validity of the Mackey Childbirth Satisfaction Rating Scale (MCSRS) questionnaire cross-culturally adapted to Brazilian Portuguese. Methods The MCSRS is a questionnaire with 34 items related to childbirth satisfaction. The forward- and back-translated versions were compared with the original material, and 10 experts analyzed each item according to the following criteria: clarity, semantic equivalence, appropriateness, and cultural relevance. The final version was presented to 10 mothers for face validation to ensure the questionnaire would suit the target population. Results The total of 34 items assessed by experts for clarity, semantic equivalence, appropriateness, and relevance showed positive agreement of 0.85, 0.92, 0.97 and 0.97; negative agreement of 0.13, 0.09, 0.04 and 0.04; and total agreement of 0.75; 0.85, 0.94 and 0.94, respectively. Multilevel linear modeling was applied with crossed random effects and with nested random effects for each judge. The intercept of each criterion was as follows: clarity, 0.87; semantic equivalence, 0.92; appropriateness, 0.96; and cultural relevance, 0.96. The overall mean of agreement was 92.8%. The face validity measurement yielded 80% of agreement on the items, all of them clearly understood. Conclusion The final version of the Brazilian Portuguese MCSRS questionnaire had face and content validity confirmed. This instrument of evaluation of maternal satisfaction during childbirth was validated to be applied in the Brazilian female population.

摘要 研究目的：本研究旨在对跨文化适配巴西葡萄牙语的麦基分娩满意度评定量表（Mackey Childbirth Satisfaction Rating Scale, MCSRS）开展内容效度与表面效度检验。方法：该量表共包含34项与分娩满意度相关的条目。研究先后进行正向翻译与回译，并将译制版本与原始量表文本进行比对；随后邀请10名专家依据清晰度、语义等价性、适宜性及文化适配性四项标准对每条条目进行分析。最终版本还招募10名产妇开展表面效度验证，以确保该量表适配目标人群。结果：专家针对34个条目分别在清晰度、语义等价性、适宜性及文化适配性四个维度进行评估，其正向一致率分别为0.85、0.92、0.97与0.97；负向一致率分别为0.13、0.09、0.04与0.04；总一致率分别为0.75、0.85、0.94与0.94。本研究采用交叉随机效应及针对每位评定者的嵌套随机效应构建多层线性模型，各维度的截距分别为：清晰度0.87、语义等价性0.92、适宜性0.96、文化适配性0.96。整体平均一致率为92.8%。表面效度检验结果显示，所有条目均被清晰理解，条目层面一致率达80%。结论：巴西葡萄牙语版MCSRS最终版本经检验确认具备内容效度与表面效度，该分娩期产妇满意度评估工具可应用于巴西女性人群。