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Social Psychiatry and Psychiatric Epidemiology

, 44:579

First Online: 26 November 2008Received: 04 April 2008Revised: 20 October 2008


BackgroundIncreases in a number of psychosocial disorders have been identified among Western youth in the second half of the Twentieth century. However findings are not consistent, trends are complex, and comparisons over time are hampered by methodological problems.

MethodsData were drawn from three samples identical in respect of age 15 years, school year final year of statutory schooling and geographical location the West of Scotland. Each sample was administered the 12-item General Health Questionnaire, a measure of self-report psychological distress, in 1987 N = 505, 1999 N = 2,196 and 2006 N = 3,194. Analyses were conducted to examine changes in: GHQ ‘caseness’; individual items; and factors, derived via confirmatory factor analysis representing a ‘negative’ and ‘positive’ items, and b ‘anxiety and depression’, ‘loss of confidence or self-esteem’ and ‘anhedonia and social dysfunction’.

ResultsBased on the standard 2-3 cut-off, ‘caseness’ rates in 1987, 1999 and 2006 were 12.7, 15.1 and 21.5% males and 18.8, 32.5 and 44.1% females. Similar increases were observed with more stringent ‘caseness’ cut-offs. Examination of individual items showed some to have increased much more markedly over time than others. There were larger increases among females for all except two items and some evidence, among both genders, of steeper increases among ‘negative’ items compared with ‘positive’ ones. However, the differences in slope were very small compared with the overall increases in both types.

ConclusionsData from three samples identical in respect of age, school year and geographical location, show marked increases in GHQ-12 ‘caseness’ among females between 1987 and 1999 and among both males and females between 1999 and 2006. Although slightly steeper increases in ‘negative’ items raise the possibility that endorsing such symptoms may have become more acceptable, these were small in comparison with increases in all dimensions of psychological distress. The next step is to identify causal explanations for the increases reported here.

KeywordsGHQ-12 time-trends young people gender differences confirmatory factor analysis CFA  Download fulltext PDF

Autor: Helen Sweeting - Robert Young - Patrick West


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