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Jornal Brasileiro de Psiquiatria

versão impressa ISSN 0047-2085versão On-line ISSN 1982-0208

Resumo

BARROSO, Sabrina Martins; ANDRADE, Valéria Sousa de; MIDGETT, Aida Hutz  e  CARVALHO, Rubem Gomes Neves de. Evidence of validity of Brazilian UCLA Loneliness Scale. J. bras. psiquiatr. [online]. 2016, vol.65, n.1, pp.68-75. ISSN 0047-2085.  http://dx.doi.org/10.1590/0047-2085000000105.

Objective

This study investigated the validity evidence of Loneliness Scale UCLA to be used in the Brazilian population.

Methods

It was followed the phases authorization of the author and the Ethics Committee, translation and back-translation, semantic adaptation and validation of the test. Data were analyzed by descriptive analysis, exploratory factor, alpha Chronbach, Kappa, sphericity test of Bartlett, Kaiser-Meyer-Olkin test and Pearson’s correlation. To semantic adaptation the scale was submitted to specialists and a focus group with 8 participants and to cross-cultural adaptation the scale was submitted to a pilot study with 126 participants. In the validation participated 818 people, between 20 and 87 years, who responded to two versions of UCLA, Patient Health Questionnaire, Social Support Scale and a questionnaire made by the authors.

Results

The scale showed two factors, which explained 56% of variance and alpha of 0.94.

Conclusions

Loneliness Scale UCLA-BR indicated evidence of discriminant and construct validity, as well as good reliability. It can be used for evaluation of loneliness in the Brazilian population.

Palavras-chave : Psychometrics; validity of tests; loneliness; questionnaires.

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