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Physical Activity, Sedentary Index, and Mental Disorders in the SUN Cohort Study

  • Autores: Almudena Sánchez Villegas, Ignacio Ara Royo, Francisco Guillén Grima, Maira Besrastrollo, J. J. Varo Cenarruzabeitia, Miguel Ángel Martínez González
  • Localización: Medicine & Science in Sports & exercise: Official Journal of the American College of Sports Medicine, ISSN 0195-9131, Vol. 40, Nº. 5, 2008, págs. 827-834
  • Idioma: inglés
  • Texto completo no disponible (Saber más ...)
  • Resumen
    • Purpose: There is evidence to suggest a beneficial effect of physical activity on several mental disorders.

      Methods: The study aim was to assess the association between low physical activity during leisure time (or sedentary lifestyles) and the incidence of mental disorders in 10,381 participants, from a Spanish dynamic prospective cohort of university graduates followed up for 6 yr (the SUN study). The baseline assessment included a validated questionnaire on physical activity during leisure-time and sedentary activities. A subject was classified as an incident case of mental disorder if he or she reported a physician diagnosis of depression, anxiety or stress, and/or the use of antidepressant medication or tranquilizers in at least one of the follow-up questionnaires.

      Results: The odds ratios (OR) and 95% confidence intervals (CI) of a mental disorder for successive levels of leisure-time physical activity were 1 (reference), 1.00 (0.81, 1.23), 0.99 (0.81, 1.21), 0.72 (0.58, 0.89), and 0.81 (0.65, 1.00) (P for trend: < 0.01). The OR for subjects who spent more than 42 h[middle dot]wk-1 watching television and/or using the computer was 1.31 (95% CI = 1.01, 1.68) as compared with those spending less than 10.5 h[middle dot]wk-1.

      Conclusion: Our findings suggest a joint association of leisure-time physical activity and sedentary behavior on the incidence of mental disorders


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