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      A utilização do QSG-12 na população geral: estudo de sua validade de construto Translated title: The use of the GHQ-12 in a general population: a study of its construct validity

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          Abstract

          O presente estudo procurou conhecer a validade de construto do QSG-12 na população geral, não clínica. Compuseram a amostra 306 voluntários de diferentes bairros de João Pessoa, com idade média de 34 anos (DP = 13,8; amplitude de 18 a 84 anos), igualmente distribuídos quanto ao sexo (homens = 152; mulheres = 154), com escolaridade predominante equivalente ao ensino médio (42,5%). Estes responderam três medidas: Escala de Satisfação com a Vida, Escala de Afetos Positivos e Negativos e Questionário de Saúde Geral (QSG-12). Os resultados indicaram ser mais adequado considerar esta última medida como bifatorial, representada pelos fatores ansiedade (a = 0,66) e depressão (a = 0,81). Conforme esperado, tais fatores se correlacionaram com a Escala de Satisfação com a Vida e a Escala de Afetos Positivos e Afetos Negativos, demonstrando a validade convergente do QSG-12. Estes resultados são discutidos à luz dos estudos previamente realizados, sugerindo-se a possibilidade de considerar uma estrutura multidimensional para entender a saúde mental na população geral.

          Translated abstract

          This study aimed to know the GHQ-12's construct validity in a general, non clinical population. 306 volunteers from different districts in Joao Pessoa, with a mean age of 34 years (SD = 13.8; ranging from 18 to 84), equally distributed with regards to gender (152 men; 154 woman), predominantly high school students (42.5%) participated in the study. They answered a questionnaire in which three measures were incorporated: Satisfaction with Life Scale, Positive and Negative ­Affects Scale, and General Health Questionnaire (GHQ-12). Results indicated that this measure can be considered as bifactorial, with anxiety (a = .66) and depression (a = .81) as the two factors. As expected, both factors correlated with the Satisfaction with Life Scale and the Positive and Negative Affects Scale, indicating the construct validity of the GHQ-12. These results are discussed and compared with results of previous studies suggesting a multidimensional structure for understanding mental health in the general population.

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          Most cited references23

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          Instrumentos psicológicos: manual prático de elaboração

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            The detection of psychiatric illness by questionnaire

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              Community screening for mental illness: a validity study of the General Health Questionnaire.

              The 60-item GHQ was validated in a community population by comparison with the CIS. The GHQ failed to identify nearly half of the psychiatric 'cases' in this population. Those missed were similar to those detected except for greater chronicity of illness and more frequent social and interpersonal problems. The GHQ appears to be unsuitable as a screening instrument for mental illness in the community and the possible reasons are discussed. Principal components and analysis resulted in a 15-item GHQ factor which, when used with Likert scoring, resulted in considerable improvement and failed to identify only 4 per cent of 'cases'. It is suggested that this may prove a more satisfactory screening instrument.
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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                ptp
                Psicologia: Teoria e Pesquisa
                Psic.: Teor. e Pesq.
                Instituto de Psicologia, Universidade de Brasília (Brasília )
                1806-3446
                December 2003
                : 19
                : 3
                : 241-248
                Affiliations
                [1 ] Universidade Federal da Paraíba Brazil
                Article
                S0102-37722003000300006
                10.1590/S0102-37722003000300006
                cb236bfe-1ef2-4881-90c2-d970eb672ce7

                http://creativecommons.org/licenses/by/4.0/

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                Product

                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=0102-3772&lng=en
                Categories
                PSYCHOLOGY, MULTIDISCIPLINARY

                Clinical Psychology & Psychiatry
                well-being,satisfaction with life,affects,QSG-12,saúde mental,bem-estar,satisfação com a vida,afetos,GHQ-12,mental health

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