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Background Although subacute and chronic gastrointestinal symptoms are very common in primary care, epidemiological date are sparse. The aim of the study was to examine and quantify the prevalence of subacute and chronic gastrointestinal symptoms and their associations with somatic and mental disorders in the general population. Methods Data were collected prospectively between 1981 (age m = 22,...
Back pain is extremely common and a huge burden for both individuals and health care services.The aim was to determine the prevalence and incidence of lumbar and cervical back pain over 23 years and to quantify associations with concomitant disorders.Data on lumbar and cervical back pain, and mental disorders from the Zurich study, collected between 1986 (age men: 27/women: 28 years) and 2008 (age...
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