Prevalence rates | Hazard ratios | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
LO-ADHD n = 18 | US n = 50 | HC n = 47 | LO-ADHD vs. HC | LO-ADHD vs. US | US vs. HC | |||||||
n | % | n | % | n | % | HR | 95% CI | HR | 95% CI | HR | 95% CI | |
Substance use disorder | 6 | 33.3 | 10 | 20.0 | 6 | 12.8 | 5.15 | 1.04–25.66 | .41 | .14–1.23 | 2.11 | .51–8.73 |
Nicotine dependence | 5 | 27.8 | 8 | 16.0 | 2 | 4.3 | 13.04* | 2.08–81.83 | .57 | .21–1.60 | 7.47 | .91–61.13 |