Table 2a.
Odds Ratio (OR) and 95% Confidence Intervals (CI) of Different Potential Confounding Factors and Overweight/Obesity in a Sample (N=1138) of Children 6 Years of Age
| Potential confounding factors | Odds ratio of being overweight/obese |
# of missings | P | |
|---|---|---|---|---|
| OR | (95% CI) | |||
| Perinatal variables (birth or 5 months) | ||||
| Weight at 5 months, kg* | 1.42 | (1.20 – 1.67) | 13 | <0.001 |
| Maternal smoking during pregnancy | 1.83 | (1.28 – 2.63) | 6 | 0.001 |
| Family status - modified | 1.82 | (1.22 – 2.71) | 4 | 0.003 |
| Low parental education | 1.66 | (1.14 – 2.40) | 74 | 0.007 |
| Maternal immigrant status | 1.88 | (1.05 – 3.37) | 1 | 0.03 |
| Birth weight, kg* | 1.43 | (1.03 – 1.99) | 6 | 0.04 |
| Not breast-fed | 1.22 | (0.85 – 1.77) | 0 | 0.28 |
| Age cereals introduction - ≥ 4 months | 0.82 | (0.57 – 1.19) | 85 | 0.29 |
| Sex of the child - girl | 1.14 | (0.81 – 1.60) | 0 | 0.44 |
| Child variables (2.5 years) | ||||
| Weight at 2.5 years, kg* | 1.62 | (1.46 – 1.80) | 51 | <0.001 |
| Nap duration - ≤ 45 minutes | 1.35 | (0.79 – 2.32) | 55 | 0.28 |
| Lifestyle variables (6 years) | ||||
| Child overeating - sometimes/often | 7.13 | (4.85 – 10.48) | 28 | <0.001 |
| Income status - insufficient | 1.87 | (1.23 – 2.84) | 44 | 0.003 |
| Eating sweets - ≥ 2 times daily | 0.44 | (0.19 – 1.03) | 28 | 0.05 |
| Snacking - sometimes/often | 0.77 | (0.54 – 1.10) | 28 | 0.15 |
| Snoring - sometimes/often | 1.44 | (0.82 – 2.51) | 100 | 0.20 |
| Watching TV - ≥ 3 h daily | 1.57 | (0.67 – 3.65) | 28 | 0.30 |
| Doing physical activities - < 1 time monthly | 1.17 | (0.76 – 1.80) | 28 | 0.47 |
| Playing video games - ≥ 1 h weekly | 0.84 | (0.48 – 1.48) | 28 | 0.55 |
Data courtesy of the Quebec Institute of Statistics
*
signifies continous variables.