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Validation of a tool to evaluate women's satisfaction with breastfeeding for the Brazilian population
Andrea F Kroll de Senna1, Camila Giugliani2, Juliana C A Lago1
1Universidade Federal do Rio Grande do Sul (UFRGS), Faculdade de Medicina, Programa de Pós-Graduação em Saúde da Criança e do Adolescente, Porto Alegre, RS, Brazil.
Objective:
To perform the construct validity and the internal consistency of the Maternal Breastfeeding Evaluation Scale tool, aiming at its application in the Brazilian population.
Methods:
Cross-sectional study that applied the tool to 287 Brazilian women 30 days after childbirth. Main component analysis with varimax rotation was used for the factor analysis, verifying the number of subscales and the maintenance or extraction of the components. Four hypotheses were tested using the unpaired Student's t-test for construct validation. The reliability analysis was performed using Cronbach's alpha coefficient.
Results:
The exploratory factor analysis identified the need to exclude an item and to reformulate the subscales. The results of the construct validity showed that all hypotheses proposed were confirmed: women who were breastfeeding, those who were exclusively breastfeeding, those who did not have problems related to breastfeeding, and those who intended to breastfeed for at least 12 months achieved significantly higher mean values in the scale. The tool showed adequate internal consistency (Cronbach's alpha=0.88, 95% CI: 0.86-0.90), as did the pleasure and fulfillment of the maternal role subscales (0.92, 95% CI: 0.91-0.93%); child growth, development, and satisfaction (0.70; 95% CI: 0.65-0.75); and maternal physical, social, and emotional aspects (0.75, 95% CI: 0.70-0.79).
Conclusions:
The validation process of the Brazilian version of the Maternal Breastfeeding Evaluation Scale tool showed that it is valid and reliable tool to be applied to the Brazilian population.