Table 2. Logistic regression models examining the association between the number of siblings and overweight/obesity.
| Variables | Total N | Overweight/Obesity n(%) | Crude | Adjusted | ||||
|---|---|---|---|---|---|---|---|---|
| OR | 95%CI | P value | ORa | 95%CI | P value | |||
| Number of siblings | ||||||||
| Only child | 687 | 92(11.81%) | 2.17 | 1.46–3.22 | 0.000 | 1.68 | 1.04–2.51 | 0.034 |
| One or more | 535 | 34(5.98%) | 1(ref) | 1(ref) | ||||
Abbreviations: CI, confidence interval; OR, odds ratio.
a Adjusted for age, family location, father’s education level, parent-child relationship in elementary school, and skipping breakfast.