Table 1: The prevalence of obesity among children with intellectual disabilities according to sex.
| Boys | Girls | P-value | OR | 95% CI |
| No. | % | No. | % | | | |
Total | | | | | | | |
Obese | 40 | 25.8 | 16 | 21.1 | 0.51 | 1.30 | 0.68–2.52 |
Non-obese | 115 | 74.2 | 60 | 78.9 | | 1.00 | |
Obesity according to developmental stage | | | | | | | |
6–8 years old | | | | | | | |
Obese | 8 | 50.0 | 0 | 0.0 | | | |
Non-obese | 8 | 50.0 | 6 | 100.0 | | | |
9–11 years old |
Obese | 3 | 16.7 | 2 | 25.0 | | | |
Non-obese | 18 | 83.3 | 8 | 75.0 | | | |
12–14 years old |
Obese | 9 | 26.5 | 4 | 26.7 | | | |
Non-obese | 34 | 73.5 | 15 | 73.3 | | | |
15–17 years old |
Obese | 20 | 36.4 | 10 | 32.3 | | | |
Non-obese | 55 | 63.6 | 31 | 67.7 | | | |
OR: odds ratio, CI: confidence interval. | | | | | | | |
P-value was calculatedusing the χ2 test | | | | | | | |
Obesity was defined as a Rohrer index that was greater than, or equal to, the 95th percentile of the Japanese standardized sex-specific growth chart. |