骨质疏松知识评价问卷的研制过程及条目筛选

来源 :2010广东省医学会骨科年会暨岭南骨科学术大会 | 被引量 : 0次 | 上传用户:longxmb
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  目的 根据华南地域气候以及人文环境特点,研制用于评价骨质疏松知识的自评问卷.方法 建立条目池(包含了63个问题)、编制原始问卷,经过反复的预测试、正式测试及条目分析形成最终问卷.结果 (1)骨质疏松知识评价问卷(osteoporosis knowledge assessment questionnaire,OKAQ)由28个题项组成,包括7个判断题及21个选择题,涉及骨质疏松相关危险因素(7个题项)、临床表现(4个题项)、日常饮食(5个题项)、运动(3个题项)、补钙剂认识(2个题项)、诊断治疗(5个题项)、预防跌倒(2个题项)七个方面内容.(2)所有题项的鉴别系数D在0.21 ~ 0.71之间,平均为0.44.(3)对七个方面得分进行因子分析可抽取出一个公因子,可以认为是"骨质疏松一般知识";相关性矩阵显示基本上七个方面得分与总分之间的相关性(0.54~0.78)明显高于各方面之间的相关性(0.21~0.48).结论 骨质疏松知识评价问卷的建构基本符合理论构想,各个题项具有良好的区分能力以及代表性,达到了编制的要求.
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