Translation, Cultural Adaptation, and Psychometric Validation of the European Portuguese Version of the Iceland-Expressive Family Functioning Questionnaire (ICE-EFFQ)

A family’s experience of mental illness can change the family’s functioning. In clinical contexts, valid and reliable instruments that assess family functioning, therapeutic changes, and the effects of family nursing interventions are needed. This study focuses on the linguistic and cultural adaptat...

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Bibliographic Details
Published in:Journal of family nursing 2024-02, Vol.30 (1), p.7-29
Main Authors: Gouveia, Maria do Carmo Lemos Vieira, Sveinbjarnardottir, Eydis Kristin, Rodrigues, Maria João Barreira, Silva, Rita Maria Lemos Baptista, Baptista, Márcia Sílvia, Henriques, Maria Adriana Pereira
Format: Article
Language:English
Subjects:
Adaptation
Adult
Change agents
Confirmatory factor analysis
Cooperation
Emotions
Family relations
General practice
Humans
Iceland
Intervention
Mental depression
Mental Disorders
Portugal
Practice
Principal components analysis
Problem solving
Psychometrics
Quantitative psychology
Questionnaires
Relatives
Self expression
Surveys and Questionnaires
Translation
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Summary:A family’s experience of mental illness can change the family’s functioning. In clinical contexts, valid and reliable instruments that assess family functioning, therapeutic changes, and the effects of family nursing interventions are needed. This study focuses on the linguistic and cultural adaptation of the Iceland-Expressive Family Functioning Questionnaire (ICE-EFFQ) to European Portuguese and examines the psychometric properties of this instrument. A non-random sample of 121 Portuguese depressed patients and their relatives completed the questionnaire. Principal components analysis extracted 4 factors, explaining 55.58% of the total variance. Confirmatory factor analysis revealed acceptable adjustment quality indices. Cronbach’s alpha coefficient was adequate for the global scale α = .86 and for the 4 subscales: communication α = .79, expression of emotions α = .68, problem-solving α = .71, and cooperation α = .61. The Portuguese version of ICE-EFFQ is a sensitive, valid, and reliable instrument for use with Portuguese families with adult members with depression and can be valuable in assessing these families’ expressive functioning, before and after intervention.
ISSN:1074-8407
1552-549X
DOI:10.1177/10748407231205038