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Table 1 Demographic data of the patients and controls
| ITEM | Patients no = 58 | Controls no = 25 | p-value | |
|---|---|---|---|---|
| Age in years | Range | 5-13 | 5-15 | 0.6 |
| Mean ± SD | 8.3 ± 1.8 | 8.6 ± 3.1 | ||
| Sex | Male | 26(44.2%) | 12(48%) | 0.8 |
| Female | 32(55.8%) | 13(52%) | ||
| Residence | Urban | 29(50%) | 17(68%) | 0.1 |
| Rural | 29(50%) | 8(32%) | ||
| Smoking (Paternal or maternal) | Positive | 48(82.8%) | 16(64%) | 0.04* |
| Negative | 10(17.2%) | 9(36%) | ||
| Family history of ADHD | Positive | 38(65.5%) | 4(16%) | 0.007** |
| Negative | 20(34.5%) | 21(84%) | ||
