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The 12-item General Health Questionnaire (GHQ-12) is a widely used screening instrument. One- and two-factor structures have been identified in some countries. In Brazil, the best factor structure is still unclear. This study aimed at knowing its factorial validity and reliability, and testing the one-factor and two-factor models. The participants were 7,512 Brazilian physicians. They answered the GHQ-12 and demographic questions. Unrotated (one-factor) and rotated (two-factor) structures of the GHQ-12 were extracted by principal component analysis. Confirmatory factor analyses (ML) were used to compare the one- and two-factor solutions. The two-factor model fitted the data better than the one-factor one. Those two factors were depression and social dysfunction, and they showed themselves to be directly correlated to one another. They also showed adequate reliability coefficients. The two-factor model is remarkably adequate, showing better fit indices, although it is acceptable to admit a common factor, which could be defined as psychological distress.

ResumoEste trabalho tem por objetivo testar a hipótese de que a autoefi cácia atua como mediador entre o bem-estar subjetivo e o burnout. Participaram 228 cadetes, com idade média de 24 anos (DP = 0,85), sendo 148 policiais e 80 bombeiros. As análises de regressão demonstram que as variáveis do bem--estar subjetivo, principalmente a vitalidade subjetiva e os afetos negativos, predizem signifi cativamente o burnout e suas subdimensões. As análises de mediação feitas provêm evidências empíricas satisfatórias para o papel mediador desempenhado pela autoefi cácia. Esses resultados poderão apoiar o planejamento de intervenções que visem o fortalecimento da autoefi cácia em cadetes. A academia deve fornecer aos cadetes não apenas as técnicas e conhecimentos imprescindíveis para a atuação profi ssional, mas também proporcionar o desenvolvimento de mecanismos de autorregulação que possibilitem um senso maior de autoefi cácia, além de condições educacionais e laborais adequadas. Palavras-chave: Autoefi cácia, burnout, bem-estar subjetivo. AbstractThis study aimed to test the hypothesis of the mediating role of self-effi cacy between subjective well-being and burnout in military cadets. The participants were 228 cadets at a military academy, 148 police offi ces and 80 fi refi ghters, at a mean age of 24 years (SD = .85). Regression analyses showed that the subjective well-being variables, mainly subjective vitality and negative affects, signifi cantly predict burnout and its subdimensions. The analyses of mediation provide satisfactory empirical evidence for the mediating role played by belief in self-effi cacy. These results can support the planning of interventions aimed at strengthening self-effi cacy in cadets. The academy should provide cadets not only with the technical and essential knowledge for professional practice, but also provide the development of self-regulation mechanisms that allow for a greater sense of self-effi cacy, in addition to appropriate educational and working conditions. Keywords: Self-effi cacy, burnout, subjective well-being. * Endereço para correspondência: Instituto de Educação Superior da Paraíba, Curso de Administração, BR 230, Km 14, Estrada de Cabedelo, Cabedelo, PB, Brasil 58310-000. E-mail: lucianealbuquerque@yahoo.com. br, arr.torres@gmail.com, genario@portalmedico.gov.br, tiago.souzalima@ outlook.com e luana_elayne@hotmail.com Algumas atividades laborais possuem características próprias que acabam por expor os trabalhadores a eventos que podem acarretar maior sofrimento psíquico e mental quando comparadas com outras profi ssões. Este é o caso, por exemplo, de policiais e bombeiros militares, que estão sujeitos a situações que podem por em risco suas vidas, além de terem que lidar com condições precárias de trabalho decorrentes de uma estrutura pública por vezes defi citária. De acordo com alguns estudos, estes profi ssionais são mais susceptíveis a apresentar sintomatologia de estresse no trabalho, níveis elevados de sofrimento físico e psíquico e burnout (E. R. Souza, Franco, Meire...

The objective of this study is to investigate the role of self-efficacy beliefs as a mediator of the relationship between the subjective well-being and general health of military cadets (police and firefighters). For this study, 228 cadets participated, the majority being Military Police officer candidates (65%), male (79%), between 17 and 34 years of age (99%), and unmarried (74%). They responded to questionnaires on general health (GHQ-12), perceived general self-efficacy, to the multiple scales that cover subjective well-being, and demographic questions. Initial regression analyses indicate the predictive power of subject well-being regarding general health. Subsequently, the mediation analyses provide satisfactory evidence for the role of perceived self-efficacy as a mediator of the relationship between the subjective well-being variables and the overall health of military cadets. The implications of these results for the professional training of the cadets are discussed.

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