An Investigation of the Factor Structure and Validity of Responsible Participation of Couples in Childbearing Scale


1 Assistant Professor, Department of Midwifery, School of Nursing and Midwifery, Mashhad University of Medical Sciences, Mashhad, Iran

2 Associate Professor of Educational Psychology, Ferdowsi University of Mashhad, Mashhad, Iran

3 Student Research Committee, Department of Midwifery and Reproductive Health, Nursing and Midwifery School, Mashhad University of Medical Science, Mashhad, Iran

4 Graduate, MSc in Midwifery, Department of Midwifery, School of Nursing and Midwifery, Mashhad University of Medical Sciences, Mashhad, Iran


Abstract Background: There is a paucity studies on partners’ discussions about child bearing in Iran. To shed some light on this understudied subject, we need to develop a valid and reliable instrument at first. Objectives: To formulate a questionnaire that evaluates the responsible participation of couples in childbearing decision making. Methods: In this paper, a mixed-method sequential explanatory design was used to design the proper instrument. The questionnaire was developed and tested in three stages. In stage 1, an item pool was generated. In stage 2, content validity was assessed and in stage 3, validity (exploratory factor analysis and confirmatory factor analysis) was performed. Results: At the first step, a 13-item instrument was designed, with the results yielding a content validity index of 0.80 for the instrument. The principal component analysis was applied to a sample population consisting of 450 couples to identify the factor structure of the inventory. According to the results, values of 4.458 (df = 78, P < 0.001) and 0.84 were obtained for Bartlett’s test of sphericity and Kaiser-Meyer-Olkin (KMO) measure of sampling adequacy respectively. As such, three factors with a total variance of 62% were extracted, out of which four factors had acceptable reliability with a Cronbach’s alpha of 0.60 to 0.85. The results of confirmatory analysis of RPCF questionnaire demonstrated the acceptable fitness of the model (CFI = 0.95 TLI = 0.94 and RMSEA = 0.05 and x2/ df = 2.99). Conclusions: Our results showed that the instrument consisted of three dimensions and exhibits high internal consistency. Also this study approved the use of RPCFQ to measure responsible participation of couples in childbearing.


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