Table 3. Symptoms and scores from the Adult ADHD Self-Report Scale for adult and younger male XLI samples.

	Adults with XLI (n = 49)	Younger males with XLI (n = 19)
Individuals with ≥4 symptoms in Part A	22 (45%)	15 (79%)
Total symptoms	9 (95%CI: 5–11)	15 (95%CI: 9–16)
Inattentive symptoms	5 (95%CI: 3–6)	8 (95%CI: 7–9)
Hyperactive-impulsive symptoms	2 (95%CI: 2–4)	7 (95%CI: 3–7)
Total score (0–4 for all 18 items)	36.7±1.7	47.3±3.5
Score (0–4 for 6 Part A items)	12.8±0.6	16.4±1.3
Score (0–4 for 12 Part B items)	23.9±1.2	31.0±2.3
Score (inattention items)	20 (95%CI: 17–22)	25.1±1.7
Score (hyperactive-impulsive items)	15 (95%CI: 13–18)	22.2±2.0