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KMID : 0606420200260040326
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Korean Journal of Women Health Nursing
2020 Volume.26 No. 4 p.326 ~ p.335
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Breastfeeding Adaptation Scale-Short Form for mothers at 2 weeks postpartum: construct validity, reliability, and measurement invariance
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Kim Sun-Hee
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Abstract
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Purpose: This study was conducted to evaluate the construct validity, reliability, measurement invariance, and latent mean differences in the Breastfeeding Adaptation Scale-Short Form (BFAS-SF) for use with mothers at 2 weeks postpartum.
Methods: This methodological study was designed to evaluate the validity, reliability, and measurement invariance of the BFAS-SF at 2 weeks postpartum, with data collected from 431 breastfeeding mothers. Confirmatory factor analysis and multi-group confirmatory factor analysis were conducted to assess the factor structure and the measurement invariance across employment status, delivery mode, parity, and previous breastfeeding experience, and the latent mean differences were then examined.
Results: The goodness of fit of the six-factor model at 2 weeks postpartum was acceptable. Multi-group confirmatory factor analysis supported strict invariance of the BFAS-SF across employment status and delivery mode. Full configural invariance, full metric invariance, and partial scalar invariance across parity and full configural invariance and full metric invariance across previous breastfeeding experience were supported, respectively. The results for latent mean differences suggested that mothers who were employed showed significantly higher scores for breastfeeding confidence. Mothers who had a vaginal delivery showed significantly higher scores for sufficient breast milk and baby’s feeding capability. Multiparous mothers showed significantly higher scores for baby’s feeding capability and baby’s satisfaction with breastfeeding.
Conclusion: The validity and reliability of the BFAS-SF at 2 weeks postpartum are acceptable. It can be used to compare mean scores of breastfeeding adaptation according to employment status, delivery mode, and parity.
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KEYWORD
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Biological adaptation, Breast feeding, Instrumentation, Psychological adaptation, Validation study
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