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Table 3 Unadjusted and adjusted Odds Ratio (OR) of parental migration among boys (with either ORunadj or ORmv significant or marginally significant)

From: The impact of parental migration on health status and health behaviours among left behind adolescent school children in China

  Males
(non-LBC = ref)
  ORunadj (95% CI) p-value ORmv (95% CI) p-value
Dietary intake       
   Felt hungry most of the time or always1 2.35 (1.07-5.15) 0.028 1.31 (0.43-3.95) 0.633
   Ate breakfast everyday2 0.75 (0.56-0.99) 0.044 0.75 (0.53-1.05) 0.096
Physical activity & sedentary behaviours       
   Physically active§ ≥4 days/week2 0.61 (0.47-0.78) < 0.001 0.67 (0.50-0.92) 0.012
   Did homework ≥4 hours/day2 0.66 (0.42-1.02) 0.062 0.67 (0.40-1.14) 0.137
   Played electronic games ≥4 hours/day2 1.35 (0.96-1.90) 0.083 1.41 (0.93-2.16) 0.110
Internet use       
   Internet addiction 1.83 (1.21-2.78) 0.004 1.77 (1.06-2.95) 0.029
Tobacco & alcohol use       
   Ever smoked 1.20 (0.93-1.55) 0.167 1.39 (1.02-1.90) 0.037
   Currently smoked1 1.31 (0.96-1.80) 0.093 1.37 (0.92-2.05) 0.118
Emotional and mental issues       
   Felt sad or hopeless ≥2 weeks3 1.89 (1.20-2.97) 0.006 1.17 (0.71-1.96) 0.537
   Suicide ideation3 2.10 (0.84-5.26) 0.094 2.32 (1.33-4.04) 0.003
   Suicide attempt3 1.37 (0.97-1.94) 0.072 0.50 (0.08-3.38) 0.480
Nutritional health       
   Overweight 2.17 (1.39-3.37) < 0.001 1.76 (0.96-3.25) 0.069
  MD unadj 4   MD mv 4  
   Mean Height (cm) -2.51 (-3.71-1.30) < 0.001 -0.61 (-1.75-0.54) 0.298
  1. 1: in the past 30 days; 2: in the past 7 days; 3: in the past 12 months; 4: MD: Mean Difference = (mean for LBC) - (mean for non-LBC);
  2. §: Physically active represents children who were physically active for a total of at least 60 minutes per day, including all the time they spent in any kind of physical activity that increased their heart rate and made their breaths hard some of the time;
  3. Adjusted models were fitted after controlling age, ethnicity, school type, boarder, parental education level, living with grandparents, house type, and computer-owning at home (for internet addiction only).