Skip to main content

Table 3 Factors associated with overweight or obesity among children aged 11–12 years, Hanoi, Vietnam

From: Prevalence and associated factors of overweight and obesity among schoolchildren in Hanoi, Vietnam

FactorOR95% CIpaOR95% CIp
LowerUpperLowerUpper
FAMILY CHARACTERISTICS
 Father’s education
  Primary school1   1   
  Secondary school0.800.154.230.8010.720.124.320.715
  College or university0.730.481.090.1220.650.421.000.050
 Mother’s education
  Primary school1   1   
  Secondary school1.620.465.680.4481.140.304.310.842
  College or university0.690.461.040.0790.630.410.970.037
 Father’s BMI
  18.5–24.91   1   
   < 18.50.660.291.450.3170.620.261.440.265
   ≥ 251.921.302.840.0012.021.343.04<  0.001
 Mother’s BMI
  18.5–24.91   1   
   < 18.50.680.281.630.3680.690.281.720.428
   ≥ 252.281.264.130.0072.831.515.300.001
 Parental overweight or obesity (classified by BMI)
  Neither parent overweight or obese1   1   
  One parent overweight or obese1.941.352.800.0012.221.503.27<  0.001
  Both parents overweight or obese7.181.5034.890.0156.591.2833.870.024
CHILD CHARACTERISTICS
 Number of siblings in the family
  11   1   
  21.270.792.040.3231.290.792.110.305
   ≥ 30.660.331.260.2020.870.431.750.697
 Birth order among siblings
  11   1   
  20.890.661.190.4200.800.581.090.149
   ≥ 30.400.161.000.0500.470.181.220.122
 Breastfeeding history (none as reference)
  Breastfed by mother for at least 6 months after birth0.800.581.120.1910.870.621.220.410
 Birth weight (grams)
  2500–35001   1   
   < 25000.400.180.870.0210.510.221.140.101
   ≥ 35001.601.142.230.0061.521.072.150.019
 Time spent watching television (hours per day)
   < 21   1   
  2–40.970.671.410.8621.000.681.490.989
   > 41.560.892.720.1221.780.993.200.056
 Sleep per day (hours)
   < 81   1.00   
  8–110.640.460.900.0090.570.400.81<  0.001
   > 110.470.240.900.0220.440.220.870.018
PHYSICAL ACTIVITY AND LIFESTYLE BEHAVIOURS OF CHILDREN
 Exercised in last 7 days (0–2 days/week as reference compared with those who did 3 days or more per week)
  Exercised for 60 min per day1.190.871.630.2760.960.691.340.83
  Intense exercise for 20 min per day evidenced by sweating and breathing hard1.150.821.620.4110.970.681.370.84
 Participation in sports in the last 12 months (None as reference)1.140.482.70.7651.220.492.980.67
 Lifestyle behaviours (None as reference)
  Weight-reducing exercises0.170.120.23< 0.0010.160.110.23<  0.001
  Lowering food intake0.450.110.20< 0.0010.120.090.17<  0.001
  Adding vegetables to diet0.260.190.36< 0.0010.260.190.35<  0.001
  1. Odds ratio (OR) by logistic regression univariate analysis
  2. Ajusted OR by multivariate logistic regression analysis by each individual variable and controled for sex