Table 3.
Comparison of prevalence of NAFLD under the delamination of gender, grade level and age
| Variable | Total(n) | (%) | Boys(n) | (%) | Girls(n) | (%) | P value |
|---|---|---|---|---|---|---|---|
| Age(years) | |||||||
| 7–8 | 22/84 | 2.38% | 11/37 | 29.73% | 11/47 | 23.40% | 0.513 |
| 9–10 | 38/195 | 19.49% | 20/84 | 23.81% | 18/111 | 16.26% | 0.185 |
| 11–12 | 45/183 | 24.59% | 27/92 | 29.35% | 18/91 | 19.78% | 0.133 |
| 13–14 | 64/279 | 22.94% | 49/159 | 30.82% | 15/120 | 12.50% | < 0.001 |
| 15–16 | 90/354 | 25.42% | 52/178 | 29.21% | 38/176 | 2.59% | 0.1 |
| 17–18 | 51/206 | 24.76% | 22/75 | 29.33% | 29/131 | 22.14% | 0.25 |
| Grade level | |||||||
| Elementary school students | 91/395 | 23.04% | 56/194 | 28.87% | 35/201 | 17.41% | 0.007 |
| Middle school students | 107/427 | 25.06% | 70/218 | 32.11% | 37/209 | 17.70% | 0.001 |
| High school students | 112/479 | 23.38% | 56/213 | 26.29% | 56/266 | 21.05% | 0.178 |
P value: comparison between boys and girls