Table 3.

Descriptive statistics (M, SD, 25th–75th percentiles) for the four TDM factors, personality factors and sleep disturbance for the total sample (N = 528) and as function of gender.

	Male			Female			Total
	M	SD	25th–75th	M	SD	25th–75th	M	SD	25th–75th
Abstinence	3.67	3.19	1–5	4.31	3.69	1–7	3.97	3.45	1–6
Abuse	4.07	4.67	2–6	4.67	2.86	3–7	4.36	2.88	2–6
Tolerance	3.83	2.78	2–6	4.35	2.83	2–6	4.08	2.81	2–6
Lack of Control	4.81	3.07	2–7	5.45	3.31	3–8	5.11	3.2	3–7
Negative Affect	0.86	0.62	0.4–1.2	1.08	0.67	0.6–1.6	0.97	0.65	−0.4–1.4
Detachment	0.66	0.57	0.2–1.0	0.71	0.55	0.2–1.0	0.68	0.56	0.2–1.0
Antagonism	0.55	0.52	0.2–0.8	0.45	0.48	0.0–0.6	0.50	0.50	−0.2–0.8
Disinhibition	0.87	0.64	−0.4–1.2	0.83	0.57	0.4–1.2	0.85	0.61	−0.4–1.2
Psychoticism	0.81	0.64	−0.2–1.2	0.88	0.65	0.4–1.4	0.84	0.65	−0.4–1.2
Sleep Disturbance	17.77	5.64	−13.75–21.00	18.96	6.86	−13.00–23.25	18.34	6.28	−13.00–22.00

M mean; SD standard deviation.