Table 1 Characteristics of the study population according to stimulant medication use for ADHD
Characteristics | No stimulant used (%) | Stimulant used for ADHD (%) |
|---|---|---|
Participants | 665,523 | 14,122 |
Sex | ||
Male | 340,226 (51.1) | 10,834 (76.7) |
Female | 325,295 (48.9) | 3288 (23.3) |
Unknown | 2 (0.01) | |
Age at initial stimulant use between 2003 and 2007 | ||
0–4 years | – | 108 (0.8%) |
5–12 | – | 7065 (50.0) |
13–17 | – | 3941 (27.9) |
≥18 | – | 3008 (21.3) |
HPNO/LPNO status | ||
HPNO | 635,914 (95.6) | 13,664 (96.8) |
LPNO | 18,656 (2.8) | 205 (1.5) |
Unknown | 10,953 (1.6) | 253 (1.8) |
Geographical remoteness | ||
Metropolitan | 421,764 (63.4) | 9869 (69.9) |
Rural | 111,860 (16.8) | 2130 (15.1) |
Remote | 26,302 (4.0) | 271 (1.9) |
Unknown | 105,597 (15.9) | 1852 (13.1) |
Social disadvantage | ||
Least disadvantaged | 293,172 (44.1) | 6650 (47.1) |
Less disadvantaged | 141,043 (21.2) | 2916 (20.6) |
Little disadvantaged | 54,297 (8.2) | 1198 (8.5) |
More disadvantaged | 26,630 (4.0) | 553 (3.9) |
Most disadvantaged | 47,521 (7.1) | 1002 (7.1) |
Unknown | 102,860 (15.5) | 1803 (12.8) |