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      Short structured general mental health in service training programme in Kenya improves patient health and social outcomes but not detection of mental health problems - a pragmatic cluster randomised controlled trial

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          Abstract

          Trial design

          A pragmatic cluster randomised controlled trial.

          Methods

          Participants: Clusters were primary health care clinics on the Ministry of Health list. Clients were eligible if they were aged 18 and over. Interventions: Two members of staff from each intervention clinic received the training programme. Clients in both intervention and control clinics subsequently received normal routine care from their health workers. Objective: To examine the impact of a mental health inservice training on routine detection of mental disorder in the clinics and on client outcomes. Outcomes: The primary outcome was the rate of accurate routine clinic detection of mental disorder and the secondary outcome was client recovery over a twelve week follow up period. Randomisation: clinics were randomised to intervention and control groups using a table of random numbers. Blinding: researchers and clients were blind to group assignment.

          Results

          Numbers randomised: 49 and 50 clinics were assigned to intervention and control groups respectively. 12 GHQ positive clients per clinic were identified for follow up. Numbers analysed: 468 and 478 clients were followed up for three months in intervention and control groups respectively. Outcome: At twelve weeks after training of the intervention group, the rate of accurate routine clinic detection of mental disorder was greater than 0 in 5% versus 0% of the intervention and control groups respectively, in both the intention to treat analysis (p = 0.50) and the per protocol analysis (p =0.50). Standardised effect sizes for client improvement were 0.34 (95% CI = (0.01,0.68)) for the General Health Questionnaire, 0.39 ((95% CI = (0.22, 0.61)) for the EQ and 0.49 (95% CI = (0.11,0.87)) for WHODAS (using ITT analysis); and 0.43 (95% CI = (0.09,0.76)) for the GHQ, 0.44 (95% CI = (0.22,0.65)) for the EQ and 0.58 (95% CI = (0.18,0.97)) for WHODAS (using per protocol analysis). Harms: None identified .

          Conclusion

          The training programme did not result in significantly improved recorded diagnostic rates of mental disorders in the routine clinic consultation register, but did have significant effects on patient outcomes in routine clinical practice.

          Trial registration

          International Standard Randomised Controlled Trial Number Register ISRCTN53515024.

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          Most cited references24

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          EuroQol: the current state of play.

          R. Brooks (1996)
          The EuroQol Group first met in 1987 to test the feasibility of jointly developing a standardised non-disease-specific instrument for describing and valuing health-related quality of life. From the outset the Group has been multi-country, multi-centre, and multi-disciplinary. The EuroQol instrument is intended to complement other forms of quality of life measures, and it has been purposefully developed to generate a cardinal index of health, thus giving it considerable potential for use in economic evaluation. Considerable effort has been invested by the Group in the development and valuation aspects of health status measurement. Earlier work was reported upon in 1990; this paper is a second 'corporate' effort detailing subsequent developments. The concepts underlying the EuroQol framework are explored with particular reference to the generic nature of the instrument. The valuation task is reviewed and some evidence on the methodological requirements for measurement is presented. A number of special issues of considerable interest and concern to the Group are discussed: the modelling of data, the duration of health states and the problems surrounding the state 'dead'. An outline of some of the applications of the EuroQol instrument is presented and a brief commentary on the Group's ongoing programme of work concludes the paper.
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            The 12-item General Health Questionnaire (GHQ-12): translation and validation study of the Iranian version

            Background The objective of this study was to translate and to test the reliability and validity of the 12-item General Health Questionnaire (GHQ-12) in Iran. Methods Using a standard 'forward-backward' translation procedure, the English language version of the questionnaire was translated into Persian (Iranian language). Then a sample of young people aged 18 to 25 years old completed the questionnaire. In addition, a short questionnaire containing demographic questions and a single measure of global quality of life was administered. To test reliability the internal consistency was assessed by Cronbach's alpha coefficient. Validity was performed using convergent validity. Finally, the factor structure of the questionnaire was extracted by performing principal component analysis using oblique factor solution. Results In all 748 young people entered into the study. The mean age of respondents was 21.1 (SD = 2.1) years. Employing the recommended method of scoring (ranging from 0 to 12), the mean GHQ score was 3.7 (SD = 3.5). Reliability analysis showed satisfactory result (Cronbach's alpha coefficient = 0.87). Convergent validity indicated a significant negative correlation between the GHQ-12 and global quality of life scores as expected (r = -0.56, P < 0.0001). The principal component analysis with oblique rotation solution showed that the GHQ-12 was a measure of psychological morbidity with two-factor structure that jointly accounted for 51% of the variance. Conclusion The study findings showed that the Iranian version of the GHQ-12 has a good structural characteristic and is a reliable and valid instrument that can be used for measuring psychological well being in Iran.
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              A comparison of the validity of two psychiatric screening questionnaires (GHQ-12 and SRQ-20) in Brazil, using Relative Operating Characteristic (ROC) analysis.

              The General Health Questionnaire (GHQ-12) (Goldberg, 1972) and the Self Report Questionnaire (SRQ-20) (Harding et al. 1980) were simultaneously validated against the criterion of the Clinical Interview Schedule (CIS) (Goldberg et al. 1970) in three primary care clinics in the city of Sao Paulo, Brazil. A comparison between the two screening instruments was carried out. The product-moment correlation between the two sets of scores was +0.72, and the validation coefficients for the GHQ-12 and the SRQ-20 were respectively: sensitivity 85% and 83%; specificity 79% and 80%; overall misclassification rate 18% and 19%. The two screening instruments were further compared by the application of Relative Operating Characteristic (ROC) analysis and, again, were found to be very similar in performance. The area under the ROC curve was 0.87 for the GHQ and 0.90 for the SRQ-20 (Z = 0.92, NS). Both psychiatric screening instruments were therefore found to be acceptably valid when assessed against the CIS in three primary care settings in Brazil. The application of ROC analysis to studies of this kind was feasible and straightforward. It was found to be superior to the conventional method of presentation of validity data. It is recommended that the application of ROC analysis to psychiatric screening studies be further utilized and explored.
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                Author and article information

                Contributors
                Journal
                Int J Ment Health Syst
                Int J Ment Health Syst
                International Journal of Mental Health Systems
                BioMed Central
                1752-4458
                2013
                5 November 2013
                : 7
                : 25
                Affiliations
                [1 ]WHO Collaborating Centre, Institute of Psychiatry, PO 35, King’s College, De Crespigny Park, London, UK
                [2 ]Department of Psychiatry, University of Nairobi, Nairobi, Kenya
                [3 ]Great Lakes University, Kisumu, Kenya
                [4 ]Statsconsultancy Ltd, London, UK
                [5 ]University of Malawi, Zomba, Malawi
                Article
                1752-4458-7-25
                10.1186/1752-4458-7-25
                4174904
                24188964
                169ac897-a5c3-4915-9eed-50d6fad213a7
                Copyright © 2013 Jenkins et al.; licensee BioMed Central Ltd.

                This is an Open Access article distributed under the terms of the Creative Commons Attribution License ( http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. The Creative Commons Public Domain Dedication waiver ( http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

                History
                : 22 September 2013
                : 30 October 2013
                Categories
                Research

                Neurology
                training programme,mental health,primary care,kenya,pragmatic cluster randomised controlled trial

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