Table 7. Multivariate analysis of factors associated with changes in substance use behavior.

^*P<0.05 considered statistically significant

OR: odds ratio; CI: confidence interval

Variable	OR (95% CI)	P-value*
Age, years	0.85 (0.72-0.98)	0.028
Gender, male vs. female	1.42 (0.95-2.11)	0.087
Awareness of prohibition laws	2.18 (1.45-3.29)	<0.001
Reason for substance use (coping with stress)	1.78 (1.12-2.84)	0.016