Table 2.
Comparison between groups of boys with ADHD distinguished based on medication status
| Characteristics | Not currently medicated (n = 140) Mean ± 1SD or n (%) | Currently medicated (n = 79) Mean ± 1SD or n (%) | Differences between groups (2-tailed t test or χ 2 and p) |
|---|---|---|---|
| Age | 11.2 ± 2.8 | 11.1 ± 2.5 | t = 0.09, p = 0.92 |
| Height (sex and age adjusted) | 0.6 ± 1.2 | 0.5 ± 1.2 | t = −0.50, p = 0.62 |
| BMI (sex and age adjusted) | 0.4 ± 1.4 | 0.4 ± 1.4 | t = −0.25, p = 0.80 |
| Underweight rates | 3 (2.1) | 2 (2.5) | χ 2 = 0.03, p = 0.85 |
| Overweight rates | 25 (17.9) | 13 (16.5) | χ 2 = 0.07, p = 0.79 |
| Obesity rates | 6 (4.3) | 5 (6.3) | χ 2 = 0.44, p = 0.51 |
| Overweight or obesity | 31 (22.4) | 18 (22.8) | χ 2 = 0.01, p = 0.91 |
| Body weight at birth (g) | 3,294 ± 663.15 | 3,409 ± 530.50 | t = −1.33, p = 0.19 |
| Low birth weight | 18 (8.2) | 12 (3.0) | χ 2 = 2.20, p = 0.33 |
| Normal birth weight | 115 (82.1) | 66 (83.5) | |
| High birth weight | 11 (7.9) | 9 (11.39) | |
| Mother’s age at birth (years) | |||
| <25 | 51 (36.4) | 35 (44.3) | χ 2 = 1.98, p = 0.37 |
| 25–35 | 74 (52.9) | 39 (49.4) | |
| >25 | 15 (10.7) | 5 (6.3) | |
| Level of parents’ education | |||
| Both with education below higher | 4 (2.9) | 4 (5.1) | χ 2 = 0.73, p = 0.69 |
| One with higher education | 85 (60.71) | 46 (58.23) | |
| Both with higher education | 51 (36.43) | 29 (36.71) | |
| Place of residence | |||
| City with over 500,000 citizens | 119 (85.0) | 72 (91.1) | χ 2 = 1.71, p = 0.19 |
| Parents’ income level | |||
| Below average | 13 (9.3) | 4 (5.1) | χ 2 = 2.80, p = 0.25 |
| Average | 58 (41.4) | 41 (51.9) | |
| Over average | 69 (49.3) | 34 (43.0) | |