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Table 2 Clinical characteristics of the ADHD and normative survey population
| Characteristics | ADHD children (n = 910)* | Normative children (n = 995)† |
|---|---|---|
| Responding parent | ||
| Female, n (%) | 716 (79) | 612 (61) |
| Male, n (%) | 194 (21) | 384 (39) |
| Age of the majority of respondents, years | 38–47 | 40–44 |
| Marital status of respondents | ||
| Single/never married/widowed, n (%) | 92 (10) | 88 (9) |
| Married/cohabiting, n (%) | 655 (72) | 780 (78) |
| Divorced/separated, n (%) | 160 (18) | 128 (13) |
| Number of children aged 6–18 years per household | ||
| 1 child, n (%) | 321 (35) | 520 (52) |
| 2 children, n (%) | 375 (41) | 333 (34) |
| >/= 3 children, n (%) | 214 (24) | 142 (14) |
| Number of children with ADHD per household | ||
| 1 child, n (%) | 430 (73) | N/A |
| > 1 child, n (%) | 159 (27) | N/A |
| Gender of child | ||
| Male, n (%) | 688 (76) | 760 (76) |
| Female, n (%) | 222 (24) | 235 (24) |
| Mean age of child, years | 11.4 | 12.0 |
| Average age of ADHD diagnosis, years | 6.4 | N/A |
| Medication status for child with ADHD | ||
| Receiving stimulant medication, n (%) | 350 (38) | N/A |
| 6–8 hour medication | 140 (40) | N/A |
| 12-hour medication | 210 (60) | N/A |
| Not receiving medication, n (%) | 560 (62) | N/A |
| Length of time ADHD medication prescribed | ||
| 3–6 months, n (%) | 27 (8) | N/A |
| 6–12 months, n (%) | 52 (15) | |
| > 1 year, n (%) | 271 (77) |
