Psychological distress and risk of long-term disability: Population-based longitudinal study

Dheeraj Rai, Kyriaki Kosidou, Michael Lundberg, Ricardo Araya, Glyn Lewis, Cecilia Magnusson

Research output: Contribution to journalArticlepeer-review

70 Scopus citations


Background Common mental disorders are known to cause long-term disability, although not much is known about long-term consequences of milder forms of psychological distress. Objective To investigate the association between increasing levels of psychological distress and 5-year risk of long-term disability pensions awarded for somatic or psychiatric conditions. Methods In this longitudinal population-based study, a cohort of 17 205 individuals, aged 18-64 years, recruited in 2002 in Stockholm County was prospectively followed up for new disability pension awards. The 12- item General Health Questionnaire (GHQ-12) was used to measure baseline psychological distress, and participants were categorised as having no, mild, moderate or severe psychological distress (GHQ-12 scores of 0; 1-2; 3-7 and 8-12, respectively). Details of new disability pension awards were obtained through record linkage with the Swedish National Insurance register. Comprehensive information on a range of sociodemographic, lifestyle and health characteristics was available. Results Increasing levels of psychological distress at baseline were associated with an increased likelihood of obtaining a disability pension later in life. Even mild psychological distress was independently associated with the award of a disability pension for both somatic (HR1/41.7; 95% CI 1.3 to 2.2) and psychiatric diagnoses (2.2; 1.4 to 3.6). Over a quarter of disability pensions awarded for a somatic diagnosis, and almost two-thirds awarded for a psychiatric diagnosis, could be attributed to psychological distress. Conclusions Mild psychological distress may be associated with more long-term disability than previously acknowledged and its public health importance may be underestimated.

Original languageEnglish
Pages (from-to)586-592
Number of pages7
JournalJournal of Epidemiology and Community Health
Issue number7
StatePublished - Jul 2012
Externally publishedYes


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