The psychometric properties of the subscales of the GHQ-28 in a multi-ethnic maternal sample: results from the Born in Bradford cohort

BMC Psychiatry

John Wright³  Rachel Mann⁴  Kathleen Kiernan¹  Simon Gilbody⁴  Karen Bloor⁴  Lesley Fairley³  Kate E Pickett⁴  Jeremy NV Miles²  Stephanie L Prady⁴ 

[1]Department of Social Policy and Social Work, University of York, York, UK

[2]RAND Corporation, Santa Monica, USA

[3]Bradford Institute for Health Research, Bradford Teaching Hospitals NHS Foundation Trust, Bradford, UK

[4]Department of Health Sciences, University of York, York, UK

关键词: Ethnic minority;    Multi-ethnic;    Postnatal anxiety and depression;    Antenatal anxiety and depression;    Psychometric evaluation;    Born in Bradford;   

Others  :  1124138
DOI  :  10.1186/1471-244X-13-55

 received in 2012-08-03, accepted in 2012-12-04,  发布年份 2013

【 摘 要 】

Background

Poor maternal mental health can impact on children’s development and wellbeing; however, there is concern about the comparability of screening instruments administered to women of diverse ethnic origin.

Methods

We used confirmatory factor analysis (CFA) and exploratory factor analysis (EFA) to examine the subscale structure of the GHQ-28 in an ethnically diverse community cohort of pregnant women in the UK (N = 5,089). We defined five groups according to ethnicity and language of administration, and also conducted a CFA between four groups of 1,095 women who completed the GHQ-28 both during and after pregnancy.

Results

After item reduction, 17 of the 28 items were considered to relate to the same four underlying concepts in each group; however, there was variation in the response to individual items by women of different ethnic origin and this rendered between group comparisons problematic. The EFA revealed that these measurement difficulties might be related to variation in the underlying concepts being measured by the factors.

Conclusions

We found little evidence to recommend the use of the GHQ-28 subscales in routine clinical or epidemiological assessment of maternal women in populations of diverse ethnicity.

【 授权许可】

   
2013 Prady et al; licensee BioMed Central Ltd.

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