Table 2.
Estimated prevalencea of diagnosed ADHD in adults, and characteristics of adult patients with an ADHD diagnosis, 2006–2011
| 2006 (n=4,149) | 2007 (n=6,888) | 2008 (n=11,085) | 2009 (n=15,414) | 2010 (n=21,389) | 2011 (n=26,820) | |
|---|---|---|---|---|---|---|
| Age in years, mean (SD); median | 30.8 (10.8); 29.0 | 31.1 (10.8); 29.0 | 31.5 (11.0); 29.0 | 31.5 (11.1); 29.0 | 31.9 (12.2); 29.0 | 31.7 (11.6); 29.0 |
| Sex, n (%) | ||||||
| Male | 2,592 (62.5) | 4,208 (61.1) | 6,529 (58.9) | 8,903 (57.8) | 12,015 (56.2) | 14,808 (55.2) |
| Female | 1,557 (37.5) | 2,680 (38.9) | 4,556 (41.1) | 6,511 (42.2) | 9,374 (43.8) | 12,012 (44.8) |
| Age group, n (%) | ||||||
| 18–21 years | 1,109 (26.7) | 1,738 (25.2) | 2,690 (24.3) | 3,797 (24.6) | 5,380 (25.2) | 6,678 (24.9) |
| 22–64 years | 3,026 (72.9) | 5,131 (74.5) | 8,361 (75.4) | 11,572 (75.1) | 15,745 (73.6) | 20,000 (74.6) |
| ≥65 years | 14 (0.3) | 19 (0.3) | 34 (0.3) | 45 (0.3) | 264 (1.2) | 142 (0.5) |
| Estimated prevalence per 1,000 persons, by age group | 0.58 | 0.95 | 1.51 | 2.07 | 2.85 | 3.54 |
| 18–21 years | 2.42 | 3.65 | 5.40 | 7.33 | 10.20 | 12.67 |
| 22–64 years | 0.59 | 0.99 | 1.61 | 2.22 | 3.01 | 3.81 |
| ≥65 years | 0.01 | 0.01 | 0.02 | 0.03 | 0.15 | 0.08 |
Notes:
a
Swedish population from November 2006–2011: Total, 2006: 7,190,792; 2007: 7,261,025; 2008: 7,342,036; 2009: 7,429,061; 2010: 7,507,516; 2011: 7,574,814; age 18–21 years, 2006: 457,478; 2007: 475,707; 2008: 497,843; 2009: 517,732; 2010: 527,248; 2011: 527,133; age 22–64 years, 2006: 5,138,439; 2007: 5,163,520; 2008: 5,185,548; 2009: 5,207,670; 2010: 5,229,188; 2011: 5,249,647; age ≥65 years, 2006: 1,594,875; 2007: 1,621,798; 2008: 1,658,645; 2009: 1,703,659; 2010: 1,751,080; 2011: 1,798,034.33
Abbreviation: ADHD, attention-deficit/hyperactivity disorder.