Social support, personality and depressive symptoms over 7 years: the Health and Lifestyle cohort |
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| Authors: | M. J. Grainge T. S. Brugha N. Spiers |
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| Affiliation: | (1) Department of Epidemiology and Public Health, School of Medicine, University of Leicester, Leicestershire, UK, GB;(2) Department of Psychiatry, School of Medicine, University of Leicester, Leicestershire, UK, GB;(3) Department of Epidemiology and Public Health, School of Medicine, University of Leicester, Leicestershire, UK, GB;(4) Division of Public Health Medicine and Epidemiology, School of Community Health Sciences, University of Nottingham Medical School, Queens Medical Centre, Nottingham, NG7 2UH, UK, GB |
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| Abstract: | Background: We tested the hypothesis that a negative relationship between social support and depression is stronger in extroverts. Methods: Data on social support and personality were obtained from an existing cohort of 9003 adults (the Health and Lifestyle Survey, UK), of whom 3594 respondents who were followed-up 7 years later contributed to the present analysis. Six depression items from the 30-item General Health Questionnaire, summed, were divided into five levels and a proportional odds analysis was performed. Information on social support was also obtained at follow-up. Results: For females, there was a highly significant interaction between Time of Residence in Area and extroversion (P < 0.001). For males, interactions involving Adults in Household and Living as Married reached borderline significance (0.05 < P < 0.10). Eleven other interactions with extroversion were non-significant (P > 0.10). Conclusion: It is unlikely that a lack of social support is more or less harmful for introverts, although the hypothesis should be re-tested in a study with a much shorter period of follow-up and higher response rate. Accepted: 11 May 2000 |
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