Preparation and validity of the willingness scale to assess maternal psychological trauma during childbirth
RAN Ying1 ZHANG Silian1 LI Yufeng1 BAI Aoshuang1 JIANG Yifei1 LI Fengling1,2 HOU Hailong3 OUYANG Tianrui2
1.College of Nursing, North Sichuan Medical College, Sichuan Province, Nanchong 637000, China;
2.Department of Obsetrical, Affiliated Hospital of North Sichuan Medical College, Sichuan Province, Nanchong 637000, China;
3.College of Nursing, China Medical University, Liaoning Province, Shenyang 110000, China
Abstract:Objective To develop a scale of maternal willingness to assess psychological trauma during childbirth and test its reliability and validity. Methods By means of qualitative research, expert letter consultation, pre-experiment, and large sample survey, objective sampling method was adopted to conduct qualitative interviews and construct questionnaire item pool among 22 pregnant women from five first-class hospitals in Sichuan Province from November 2021 to January 2022, and then construct the draft scale based on the results of expert letter consultation. From February to June 2022, a total of 171 pregnant women were selected for pre-experiment, items of the scale were optimized through item analysis, exploratory factor analysis was carried out, and a large sample of 264 pregnant women were investigated to measure the reliability and validity of the scale. Results The final scale consisted of one dimension and 15 items. Exploratory factor analysis extracted one common factor and the cumulative variance contribution rate was 80.890%. The confirmatory factor analysis showed that the model fit of the scale was good (χ2/df=2.386,RMSEA=0.069,GFI=0.94,CFI=0.964,RMR=0.032,NFI=0.94,NNFI= 0.958). The I-CVI was 0.800-1.000 and the S-CVI was 0.860. The Cronbach’s α was 0.993. The half-reliability was 0.918, and the retest reliability was 0.885. Conclusion The willingness scale to assess maternal psychological trauma during childbirth has good reliability and validity.
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