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The aim of this study was to evaluate the psychometric properties of self-efficacy in performing the maternal role scale for first time pregnant adolescents in Indonesia (SEPMRS-Indonesia). The conceptual framework of this study was based on Bandura’s self-efficacy theory, Rubin’s concept of the maternal role, and a review of the relevant literature. Interviewing were conducted among twelve Indonesian adolescents who were experiencing their first pregnancy. The first draft of seventy-eight items was validated by five experts, sixty-three items remained and were examined for clairty by five of the Indonesian interviewees.
Exploratory factor analysis (EFA) and known group techniques were conducted to assess the construct validity. EFA yielded two factors of 60 items which explained 58.85% of the total variance, namely: (1) being able to perform essential activities during pregnancy, and (2) maintaining health and happiness during their pregnancy. The result of known group technique showed a significant mean difference in the scores of SEPMRS-Indonesia between pregnant adults and pregnant adolescents with a first-time pregnancy (p < .01). Reliability analysis was performed including internal consistency and test-retest. The range of overall Cronbach’s alpha coefficients were .97 to .98. The test-retest reliability of the sixty items SEPMRSIndonesia was at an acceptable level (r = .99), meaning this scale is a reliable tool for measuring the performing the maternal role of first time pregnant adolescents. In conclusion, nurses can apply this scale for screening the maternal confidence performance level of pregnant women and identifying appropriate strategies for empowering them to effectively perform their maternal role.
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