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Table 3 Correlates of spending more than 2 hours/day of screen time outside school in Chinese children in 2006 (n = 986)§

From: Temporal trends and recent correlates in sedentary behaviours in Chinese children

  ≥ 2 hrs/d (%) Unadjusted OR Adjusted OR
Age    
   6-12 yrs 42.9 1.0 1.0
   13-18 yrs 32.4 0.64 (0.45-0.91) 0.67(0.46-0.97)
Sex    
   Girls 34.3 1.0 1.0
   Boys 43.9 1.49 (1.17-1.91) 1.41(1.09-1.82)
Region    
   Rural 41.9 1.0  
   Urban 33.2 0.69 (0.39-1.23) 0.62(0.36-1.09)
Per capita family income   
   Low 40.7 1.0 1.0
   Medium 41.0 1.01 (0.67-1.54) 1.02(0.68-1.53)
   High 36.5 0.84 (0.55-1.27) 0.84(0.56-1.26)
Self-perceived weight status   
   Healthy weight 39.0 1.0  
   Underweight 44.7 1.27(0.77-2.08)  
   Overweight/obesity 33.8 0.80 (0.45-1.41)  
TV in child's bedroom   
   No 37.6 1.0 1.0
   Yes 51.7 1.77 (1.09-2.87) 1.86(1.15-3.01)
Internet access in internet cafés   
   No 37.8 1.0 1.0
   Yes 48.3 1.54 (0.91-2.60) 2.01(1.21-3.34)
Internet access at home   
   No 38.9 1.0 1.0
   Yes 44.9 1.28 (0.77-2.14) 1.93(1.12-3.31)
Internet access at relative/friend's home  
   No 39.4 1.0  
   Yes 40.0 1.03 (0.60-1.75)  
Watching TV with parent(s)   
   Seldom 31.4 1.0 1.0
   Sometimes 36.9 1.28 (0.88-1.87) 1.26(0.86-1.86)
   Often 51.3 2.30 (1.44-3.69) 2.27(1.37-3.74)
Family's rules about TV viewing  
   Seldom 41.4 1.0 1.0
   Sometimes 41.3 0.99 (0.66-1.49) 1.02(0.69-1.50)
   Often 30.4 0.62 (0.37-1.04) 0.64(0.37-1.10)
Family ask you engage in physical activity   
   Don't care 39.6 1.0  
   More physical activity 38.3 0.95 (0.66-1.36)  
   Less physical activity 46.0 1.30 (0.65-2.60)  
  1. § Stepwise backward elimination SURVEYLOGISTIC regression was used to model the correlates initially from a full model with all variables in the left column in the Table.