Factor Structure of the Iranian Version of 12-Item General Health Questionnaire

Rahmati-Najarkolaei, Fatemeh; Raiisi, Fatemeh; Rahnama, Parvin; Fesharaki, Mohammad Gholami; Zamani, Omid; Jafari, Mohammad Reza; Montazeri, Ali

doi:10.5812/ircmj.11794

Cited by 26 publications

(29 citation statements)

References 44 publications

(47 reference statements)

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“…In the present study, the MIRT model with two factor showed an adequate fit for all indices. Our findings corroborate other studies that reported two dimensional structure including psychological distress and social dysfunction although they used CTT and CFA [14,13,5]. IRT-based models are really sparse in order to assess psychometric properties of GHQ-12.…”

Section: Discussionsupporting

confidence: 89%

“…The 12-items version of the questionnaire ,GHQ-12,6 was used broadly due to its relatively good psychometric properties and its brevity [3,4]. Further, the GHQ-12 is recommended by world health organization (WHO) as a wellvalidated and standard psychiatric screening instrument [5].…”

Section: Introductionmentioning

confidence: 99%

“…For the first time, the Persian version of the questionnaire was prepared and its psychometric properties were assessed by Montazeri et al [13]. Since then, several studies to assess its applicability among university students and Iranian elder population were conducted [14,5].…”

Section: Introductionmentioning

confidence: 99%

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Multidimensional Item Response Theory to Assess Psychological Properties of GHQ-12 in School Children Parents

Haem

Doostfatemeh

2020

Preprint

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Background: Multidimensional item response theory (MIRT) model provides an ideal foundation to assess psychological properties of a questionnaire designed with multidimensional structure. This study aims to present the first use of MIRT models to investigate psychological properties of GHQ-12. Methods: A total of 1104 school children parents completed the Persian version of GHQ-12 questionnaire. A MIRT model was applied to model observed scores for each GHQ-12 item as a function of the subject’s latent traits while taking into account the correlation between dimensions of the questionnaire. The goodness of fit indices were reported and items fit were assessed. Individual items were described in detail through item characteristic curves and the amount of information carried by different items were presented using information curves. Results: The MIRT analysis of the 12 item GHQ successfully demonstrated two factor structure corresponding to psychological distress and social dysfunction. The model showed all items were fitted adequately. Items varied in their discrimination ranged from 0.86 to 2.35 and 1.18 to 2.41 for psychological distress and social dysfunction, respectively. Moreover, item 8 and item 2 provided the least information in psychological distress and social dysfunction dimensions, respectively. Conclusions: The developed framework to evaluate psychological properties of GHQ-12 can be a suitable alternative to traditional approaches and also unidimensional IRT models which its use have been restricted due to multidimensional structure of the questionnaire.

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Section: Discussionsupporting

confidence: 89%

Section: Introductionmentioning

confidence: 99%

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Multidimensional Item Response Theory to Assess Psychological Properties of GHQ-12 in School Children Parents

Haem

Doostfatemeh

2020

Preprint

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“…Originally, the GHQ-12 was developed as a unidimensional scale (Winefield, Goldney, Winefield & Tiggemann, 1989). However, alternative two-and three-factor models have also been proposed because these models may indicate different psychological problems encountered by individuals (Najarkolaei et al, 2014;Padrón et al, 2012). Werneke, Goldberg, Yalcin and Ustun (2000) showed that a two-factor model, consisting of 'Social Dysfunction' and 'Anxiety/Depression' factors, was supported.…”

Section: Introductionmentioning

confidence: 99%

Psychometric properties of the General Health Questionnaire-12 in a sample of Hong Kong employees

Wong

O’Driscoll

2016

Psychology, Health & Medicine

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The General Health Questionnaire-12 (GHQ-12) is a widely used instrument for measuring psychological strain, but the factor structure of the GHQ-12 is inconclusive.The present study examined one-factor, two-factor and three-factor models of the GHQ-12 using structural equations modelling in a longitudinal dataset of Hong Kong employees. The findings supported a two-factor model consisting of a 'Social Dysfunction' factor measured by three items, and an 'Anxiety/Depression' factor measured by four items. Implications and limitations are discussed.

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“…The GHQ-12 has been translated into several languages worldwide [7, 9, 13, 16–18, 20]. The aim of this study was to translate and test the reliability, validity and factor structure of GHQ-12 questionnaire for male tannery workers in India.…”

Section: Discussionmentioning

confidence: 99%

Reliability and validity of general health questionnaire (GHQ-12) for male tannery workers: a study carried out in Kanpur, India

Kashyap

Singh

2017

BMC Psychiatry

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BackgroundThe purpose of this study was to test the reliability, validity and factor structure of GHQ-12 questionnaire on male tannery workers of India. We have tested three different factor models of the GHQ-12.MethodsThis paper used primary data obtained from a cross-sectional household study of tannery workers from Jajmau area of the city of Kanpur in northern India, which was conducted during January–June, 2015, as part of a doctoral program. The study covered 286 tannery workers from the study area. An interview schedule containing GHQ-12 was used for tannery workers who had completed at least 1 year at their present occupation preceding the survey. To test reliability, Cronbach’s alpha test was used. The convergent test was used for validity. Confirmatory factor analysis was used to compare three factor structures for the GHQ-12.ResultsA total of 286 samples were analyzed in this study. The mean age of the tannery workers in this study was 38 years (SD = 1.42). We found the alpha coefficient to be 0.93 for the complete sample. The value of alpha represents the acceptable internal consistency for all the groups. Each item of scale showed almost the same internal consistency of 0.93 for the male tannery workers. The correlation between factor 1 (Anxiety and Depression) and factor 2 (Social Dysfunction) was 0.92. The correlation between factor 1 (Anxiety and Depression) and factor 3 (Loss of confidence) was the highest 0.98. Comparative fit index (CFI) estimate best-fitted for model-III that gave the CFI value 0.97. The SRMR indicator gave the lowest value 0.031 for the model-III.ConclusionsThe findings suggest that the Hindi version of GHQ-12 is a reliable and valid tool for measuring psychological distress in male tannery workers of Kanpur city, India. Study found that the model proposed by the Graetz was the best fitted model for the data.

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Factor Structure of the Iranian Version of 12-Item General Health Questionnaire

Cited by 26 publications

References 44 publications

Multidimensional Item Response Theory to Assess Psychological Properties of GHQ-12 in School Children Parents

Multidimensional Item Response Theory to Assess Psychological Properties of GHQ-12 in School Children Parents

Psychometric properties of the General Health Questionnaire-12 in a sample of Hong Kong employees

Reliability and validity of general health questionnaire (GHQ-12) for male tannery workers: a study carried out in Kanpur, India

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