Table 5. Multiple logistic regression model with self-medication as the dependent variable.

Independent variables	B	Wald	p	Odds ratio	95% C.I. for odds ratio
possession of home-pharmacy (yes/no)	1.67	111.27	<.001	5.30	3.89–7.23
level of father's education (primary and secondary school/higher education)	0.49	8.77	.003	1.63	1.18–2.25
consumption of alcohol beverages (yes/no)	0.42	7.36	.007	1.53	1.13–2.08
physical activity less than 1 hour per week	0.35	3.83	.049	1.42	1.00–2.02
gender (female/male)	0.33	4.43	.035	1.39	1.02–1.89
age	0.13	16.52	<.001	1.13	1.07–1.21
PHQ-9 score	0.08	21.57	<.001	1.09	1.05–1.12