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目的通过对内窥镜中影响HBV消毒效果的危险因素调查表的调查项目的分析,评价该调查表的内容效度和结构效度的优劣,以确保本调查所调查的危险因素项目能较客观、全面地反映内窥镜的消毒情况。方法由黄石市疾病预防控制中心专业人员在采样的同时填写各份调查问卷,并用因子分析等方法对调查表的内容效度和结构效度等指标进行评价。结果该调查表内容效度经专家评判调查项目比较全面,其结构效度在确定4个潜在因子时,其累积方差百分比可达61.737%,各项目在相应因子上有较满意的因子载荷量,且各潜在因子的逻辑解释与调查表的设计相吻合,调查表的整体效度较好。结论本调查表所设计的调查项目基本上能全面、精确地反映黄石地区内窥镜消毒内容和关键环节,该调查表可以用于内窥镜中HBV消毒效果危险因素的调查与评价。
OBJECTIVE: To evaluate the validity of the content validity and structural validity of the questionnaire by analyzing the investigation items of the questionnaire of risk factors affecting the disinfection effect of HBV in the endoscope so as to ensure that the items of risk factors investigated in this survey can compare Objectively and comprehensively reflect the endoscope disinfection. METHODS: Huangshi CDC professionals filled out the questionnaires while sampling, and used the method of factor analysis to evaluate the content validity and structural validity of the questionnaire. Results The validity of the questionnaire was more comprehensive by experts. The structural validity of the questionnaire was 61.737% when the four potential factors were identified. Each item had a satisfactory factor load on the corresponding factor, The logical explanation of each potential factor is consistent with the design of the questionnaire. The overall validity of the questionnaire is good. Conclusion The questionnaire designed survey items can basically and accurately reflect the content and key links of endoscope disinfection in Huangshi area. The questionnaire can be used to investigate and evaluate the risk factors of HBV disinfection effect in endoscope.