Table 6.

Differences in riskier sexual history between ADHD and Other participants.

Life-Time History	ADHD	Others	Significance Tests
Age at first consensual sexual experience (Females)	16.33 (3.35) [n =337]	17.10 (3.07) [n = 454]	t = 3.36 (df = 789) ** [Cohen’s d = 0.383]
Age at first consensual sexual experience (Males)	17.65 (3.66) [n = 274]	17.22 (2.95) [n = 139]	t = 1.22 (ns)
Life-time number of sexual partners (Females)	Median = 12 [n = 322]	Median = 8 [n = 464]	U = 87,780.00 Z = 4.18 ** [r = 0.149]
Life-time number of sexual partners (Males)	Median = 9.5 [n = 140]	Median = 9 [n = 274]	U = 18,580.00 Z = −0.402
Extra-partner sexual activities (Females)	179 (52.8%)	189 (41.2%)	$\chi$2 (df = 1) = 10.61 ** [Phi = 0.115]
Extra-partner sexual activities (Males)	68 (48.9%)	129 (45.9%)	$\chi$2 (df = 1) = 0.339
Sex without contraception (Females):
Never-Sometimes Often-Always Total	243 (70.2%) 103 (29.8%) 346 (100%)	373 (78.0% 125 (22.0%) 478 (100%)	$\chi$2 (df = 1) = 6.48 * [Phi = 0.089]
Sex without contraception (Males):
Never-Sometimes Often-Always Total	94 (65.3%) 50 (34.7%) 144 (100%)	169 (58.7%) 119 (41.3%) 288 (100%)	$\chi$2 (df = 1) = 1.75

* p < 0.05; ** p < 0.001.