Table 1.

Sample characteristics at baseline and rate of ADHD medication and serious transport accidents during follow-up.

	Male	Female
N at start of follow-up	10,528	6,880
% received ADHD medication during follow-up	57.5	65.3
% at least one serious transport accidents during follow-up	6.5	3.9
Characteristics at baseline
Age distribution (%)
18–25	47.3	40.4
26–35	29.0	30.9
36–46	23.7	28.7
Civil status (%)
Unmarried	85.8	72.1
Married	7.9	15.0
Divorced	6.2	12.7
Widowed	0.1	0.2
In employment (%)	29.2	29.8
In School (%)	23.1	24.8
Living in metropolitan area (%)	15.1	15.4
Median family income (hundred SEK)	1,706	1,782
Other psychotropic medication (%)
Prescribed antipsychotics	12.9	13.5
Prescribed hypnotics/anxiolytics	31.0	41.2
Prescribed antidepressants	33.1	48.6
Prescribed drugs used in addictive disorders	5.4	3.4
Psychiatric diagnosis (%)	58.0	62.1
Crime (%)	63.7	35.3