Translation, Cross-Cultural Adaptation, and Psychometric Validation of the Positive Body Image among Adolescents Scale (PBIAS) into Spanish and Catalan

Glòria Tort-Nasarre, Eva Artigues-Barberà, Mercè Pollina-Pocallet, Anna Espart (), Judith Roca and Josep Vidal-Alaball
Additional contact information
Glòria Tort-Nasarre: SAP ANOIA, Gerència Territorial Catalunya Central, Institut Català de la Salut (ICS), 08700 Igualada, Spain
Eva Artigues-Barberà: Balàfia Primary Care Center, Gerència Territorial Lleida, Institut Català de la Salut (ICS), 25005 Lleida, Spain
Mercè Pollina-Pocallet: Fundació Institut Universitari per a la Recerca a l’Atenció Primària de Salut Jordi Gol i Gurina (IDIAPJGol), 08007 Barcelona, Spain
Anna Espart: Department of Nursing and Physiotherapy, Faculty of Nursing and Physiotherapy, University of Lleida, 25198 Lleida, Spain
Judith Roca: Department of Nursing and Physiotherapy, Faculty of Nursing and Physiotherapy, University of Lleida, 25198 Lleida, Spain
Josep Vidal-Alaball: Fundació Institut Universitari per a la Recerca a l’Atenció Primària de Salut Jordi Gol i Gurina (IDIAPJGol), 08007 Barcelona, Spain

IJERPH, 2023, vol. 20, issue 5, 1-11

Abstract: The Positive Body Image among Adolescents Scale (PBIAS) explores the factors that bolster and interfere with developing and maintaining a positive body image during adolescence. The aim of this study was to translate, adapt, and validate the PBIAS into Spanish and Catalan. A cross-sectional study was conducted for the instrument’s translation, cross-cultural adaptation, and psychometric validation. A process of translation, back-translation, expert consultation, and piloting was followed. The reliability and statistical validity were evaluated. The Cronbach’s alpha was 0.95 in both the Spanish and Catalan versions. Pearson’s correlation coefficients were statistically significant (r > 0.087) for all items analyzed. The resulting values of the Spanish and Catalan versions indicate a good level of concordance ( p < 0.001) with the original questionnaire, the comparative fit index being 0.914 and 0.913, the Tucker–Lewis index being 0.893 and 0.892, the root mean square error of approximation being 1.31 and 1.28, and the standardized root mean square residual being 0.051 and 0.060, respectively. The instrument presents a good level of internal consistency, a high level of reliability, and statistical validity compared to the original instrument. The PBIAS in Spanish and Catalan can be a useful assessment instrument for educators and health professionals in the context of adolescent mental health literacy. This work contributes to the Sustainable Development Goals (Goal 3) of the United Nations 2030 Agenda.

Keywords: body image; adolescents; adolescent mental health; psychometrics; instrument validation; cross-cultural adaptation (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2023
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