Physical Activity and Common Mental Disorder: Results from the Caerphilly Study

The authors examined associations between leisure-time and occupational physical activity and common mental disorder (CMD), defined as anxiety and depression, using data from a cohort of middle-aged men in Caerphilly, South Wales, United Kingdom, who were followed for 5 years (1989–1993) and 10 year...

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Bibliographic Details
Published in:American journal of epidemiology 2007-04, Vol.165 (8), p.946-954
Main Authors: Wiles, Nicola J., Haase, Anne M., Gallacher, John, Lawlor, Debbie A., Lewis, Glyn
Format: Article
Language:English
Subjects:
Adult and adolescent clinical studies
Analysis. Health state
Anxiety
Anxiety Disorders - epidemiology
Biological and medical sciences
Cross-Sectional Studies
Depression
Depression - epidemiology
Employment - psychology
Epidemiology
Exercise
Exercise - psychology
General aspects
Humans
Leisure Activities - psychology
Longitudinal Studies
Male
Medical sciences
Mental depression
mental disorders
Mental health
Middle Aged
Mood disorders
physical fitness
Psychology. Psychoanalysis. Psychiatry
Psychopathology. Psychiatry
Public health. Hygiene
Public health. Hygiene-occupational medicine
Stress
Wales - epidemiology
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Summary:The authors examined associations between leisure-time and occupational physical activity and common mental disorder (CMD), defined as anxiety and depression, using data from a cohort of middle-aged men in Caerphilly, South Wales, United Kingdom, who were followed for 5 years (1989–1993) and 10 years (1993–1997). CMD was measured using the General Health Questionnaire. Total leisure-time activity and percentage of time spent in heavy-intensity activity were estimated from self-reports (Minnesota Leisure Time Physical Activity Questionnaire). Men were classified into four classes of occupational activity. Among 1,158 men with complete data, those who participated in any heavy-intensity leisure-time activity had reduced odds of CMD 5 years later (below median vs. none: adjusted odds ratio (ORadj) = 0.61, 95% confidence interval (CI): 0.40, 0.93); median or above vs. none: ORadj = 0.54, 95% CI: 0.35, 0.83). Analyses using multiple imputation to deal with missing data found weaker evidence for an association (ORadj = 0.79 (95% CI: 0.54, 1.15) and ORadj = 0.73 (95% CI: 0.49, 1.09), respectively). There was little evidence that men in the most physically demanding jobs had reduced odds of CMD after 5 years, and there was no association between physical activity and CMD 10 years later. Among these men, heavy-intensity leisure-time physical activity was associated with a small reduction in CMD over 5 years.
ISSN:0002-9262
1476-6256
DOI:10.1093/aje/kwk070