Table 3. Adjusted model comparing females to males based on logistic regression analysis that controlled for different variables including socio-demographics (age, level of education, marital status, employment), antisocial personality disorder and MA-use characteristics.

Variables	Wald	df	Odds ratio	p-values	95% Confidence Interval
					Lower	Upper
Education ≤ 9 years	4.5	1	1.6	0.034	1.0	2.4
Widow/divorced/separated	5.5	1	2.2	0.019	1.1	4.3
Unemployment	87.8	1	8.0	<0.001	5.2	12.4
No history of antisocial personality disorder	22.7	1	3.7	<0.001	2.2	6.4
Age of onset > 18 years old	18.4	1	2.7	<0.001	1.7	4.2
Using MA ≥ 5 pills/day during the heaviest period of use	4.0	1	1.5	0.045	1.0	2.3