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Table 5 Pooled analysis of physical complaints regressed on computer use, computer gaming and TV-viewing.

From: Screen-based activities and physical complaints among adolescents from the Nordic countries

  M1:Mutually adjusted M2:Mutually adjusted + adjusted for confounders
  OR 95%CI OR 95%CI
  Dependent: Backache weekly
Boys     
   Computer use 1.08 (1.06 to 1.11) 1.06 (1.03 to 1.09)
   Computer games 1.05 (1.02 to 1.08) 1.04 (1.01 to 1.07)
   Television viewing 1.06 (1.03 to 1.09) 1.05 (1.02 to 1.09)
Girls     
   Computer use 1.10 (1.07 to 1.14) 1.05 (1.02 to 1.08)
   Computer games 1.06 (1.02 to 1.10) 1.05 (1.01 to 1.10)
   Television viewing 1.09 (1.05 to 1.12) 1.08 (1.05 to 1.12)
  Dependent: Headache weekly
Boys     
   Computer use 1.06 (1.03 to 1.09) 1.04 (1.01 to 1.06)
   Computer games 1.04 (1.02 to 1.07) 1.03 (1.01 to 1.06)
   Television viewing 1.05 (1.02 to 1.08) 1.04 (1.01 to 1.07)
Girls     
   Computer use 1.15 (1.12 to 1.18) 1.10 (1.07 to 1.13)
   Computer games 1.00 (0.97 to 1.04) 0.99 (0.96 to 1.03)
   Television viewing 1.08 (1.05 to 1.11) 1.07 (1.04 to 1.10)
  1. OR - odds ratio; CI - confidence interval. Screen-based activity time was included in the logistic regression models as a continuous variable. In M1 ORs were adjusted for country, age, and socio-economic status. In M2 ORs were also adjusted for depressed mood, school-related stress and physical activity.