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Revista Portuguesa de Enfermagem de Saúde Mental

Print version ISSN 1647-2160


FREIRE, Rosa Maria; SOUSA, Maria Rui; PEREIRA, Filipe  and  MARTINS, Teresa. Psychometric properties of the Psychological Well-Being Scale of 42 items. Revista Portuguesa de Enfermagem de Saúde Mental [online]. 2019, n.21, pp.31-39. ISSN 1647-2160.

BACKGROUND: The psychological well-being is a multidimensional construct that has deserved the attention of researchers in the field of positive mental health as it relates to the development of human potential. AIM: To validate for Portuguese the reduced version of 42 items of the Psychological Well-Being Scale. METHODS: We used confirmatory factor analysis and construct validity in a sample of 252 participants recruited from a higher education institution, of which 48% were students and 52% were teachers and non-teachers, the majority are female, with a mean age of 31,4 years old and an average schooling of 15.5 years. Participants completed a questionnaire through a computer platform. The Psychological Welfare Scale consists of six theoretical constructs measured on a likert-type response scale. RESULTS: Confirmatory factorial analysis showed satisfactory adjustment indexes, however, improved with the elimination of two items. The scale dimensions presented values ??of Cronbach's alpha coefficient ranging from 0.71 to 0.82 and a correlation matrix ranging from 0.31 to 0.73, with significant values at the 0.01 level. Autonomy alone correlated with the Mental Health dimension. CONCLUSION: The scale in study has shown adequacy to evaluate the psychological well-being. The study version shows to be discriminative for age, gender, schooling and mental health condition and a good internal consistency. The factorial structure of the scale does not show to be as clear as the theoretical framework suggested, requiring further investigations.

Keywords : Estudos de validação; Saúde mental; Avaliação de programas e instrumentos de pesquisa.

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