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Table 2 Odds ratio (OR) and 95% confidence interval (CI) for obesity according to sleep duration in children aged 5-15 living in South Australia

From: Short sleep duration and obesity among Australian children

  ≥10 hours (n = 1812) 9-10 hours (n = 848) <9 hours (n = 835)
Gender    
   Boys    
Age adjusted 1 1.11(0.54-2.27) 2.23(1.08-4.62)
Multivariate adjusted a 1 1.15(0.55-2.39) 2.23(1.04-4.76)
   Girls    
Age adjusted 1 1.03(0.48-2.20) 1.81(0.85-3.85)
Multivariate adjusted a 1 0.97(0.44-2.14) 1.70(0.78-3.73)
   Both genders b    
Age adjusted 1 1.07(0.63-1.81) 2.03(1.20-3.44)
Multivariate adjusted a 1 1.04(0.61-1.78) 1.97(1.15-3.38)
Age groups    
   5-12 years    
Age, gender adjusted 1 1.18(0.68-2.06) 2.61(1.52-4.50)
Multivariate adjusted a 1 1.18(0.67-2.09) 2.52(1.44-4.41)
   13-15 years    
Age, gender adjusted 1 0.46(0.13-1.66) 0.56(0.17-1.88)
Multivariate adjusted a 1 0.47(0.14-1.50) 0.47(0.15-1.50)
  1. a Adjusted for age, physical activity and inactivity, household income, intake of fruit and vegetable, area of residence (metro Adelaide, SA country)
  2. b Also adjusted for gender
  3. p = 0.367 for interaction between age and sleep. P = 0.369 for interaction between gender and sleep.