Table 1.
Detailed characteristics of the groups.
| Variable | Study group (with ID) | Control group (without ID) | p |
|---|---|---|---|
| Age (years) | |||
| 7–13a | 346 (61.0) | 346 (61.0) | 1.000 |
| 14–18a | 221 (39.0) | 221 (39.0) | |
| Sexa | |||
| Girl | 283 (49.8) | 283 (49.8) | 1.000 |
| Boy | 285 (50.2) | 285 (50.2) | |
| Body height percentileb | 33.99 (31,14) | 44.77 (28.88) | <0.001∗ |
| BMI percentileb | 55.18 (33.79) | 48.41 (31.67) | 0.001∗ |
| SBP (mm Hg)b | 118.51 (11.22) | 115.99 (9.11) | 0.001∗ |
| DBP (mm Hg)b | 68.79 (5.98) | 68.62 (4.32) | 0.252 |
| SBP percentileb | 74.81 (23.67) | 69.46 (22.66) | <0.001∗ |
| DBP percentileb | 74.35 (17.79) | 75.03 (15.50) | 0.935 |
| Level of IDa | |||
| Mild | 278 (24.5) | n/a | n/a |
| Moderate | 239 (21.1) | ||
| Severe | 50 (4.4) | ||
| PAQ scoreb | 1.99 (0.74) | 3.02 (0.81) | <0.001∗ |
| Level of physical activitya | |||
| Low | 399 (70.4) | 124 (21.9) | |
| Moderate | 168 (29.6) | 351 (61.9) | <0.001∗ |
| High | 0 (0.0) | 92 (16.2) | |
| Screen time on school days (h/day)b | 3.38 (1.66) | 2.27 (1.19) | <0.001∗ |
| Screen time on weekends (h/day)b | 3.85 (1.48) | 3.59 (1.62) | 0.016 |
aMean (SD); bn (%); SBP: systolic blood pressure; DBP: diastolic blood pressure; ID: intellectual disability; PAQ: Physical Activity Questionnaire. ∗Statistically significant results.