. 2021 Oct 14;12:739698. doi: 10.3389/fpsyt.2021.739698

Table 5.

Regression analysis on alcohol and cigarette consumptions.

Variables	Alcohol consumption		Cigarette consumption
	cOR^a	aOR^b	cOR^a	aOR^b
Sex (ref: female)	1.78 (1.24–2.54)^**	1.74 (1.17–2.55)^***	8.96 (5.68–14.14)^***	13.81 (8.46–23.11)^***
Age	1.04 (0.96–1.12)	1.05 (0.92–1.20)	1.19 (1.07–1.33)^***	1.44 (1.19–1.75)^***
Education (ref: up to junior high)
High school	1.27 (0.86–1.87)	1.39 (0.80–2.40)	2.13 (1.21–3.75)^**	1.40 (0.65–3.06)
Higher studies	1.93 (1.05–3.55)^*	1.87 (0.86–3.94)	3.28 (1.48–7.24)^**	2.07 (0.72–5.72)
Occupation (ref: non-university students)
Employed	1.96 (0.99–3.90)	1.38 (0.63–2.82)	3.50 (1.66–7.38)^***	1.50 (0.57–3.67)
NEET^c	18.81 (1.17–303.34)^*	17.37 (1.32–229.43)^*	–	4.77 (0.03–72.49)
Adults within household (ref = ≥1)
0	3.52 (1.45–8.54)^**	3.34 (1.26–7.66)^*	1.72 (0.41–7.26)	1.01 (0.17–3.84)
Household monthly income (ref: low)
High	1.94 (1.09–3.46)^*	2.21 (1.19–3.91)^**	1.35 (0.55–3.29)	1.07 (0.38–2.61)
Conduct problems (ref: close to average)
Very high	2.89 (1.41–5.96)^**	2.84 (1.07–6.99)^*	3.85 (1.71–8.69)^***	3.10 (0.99–9.06)
Hyperactivity (ref: close to average)
High	1.57 (0.90–0.275)	1.25 (0.62–2.38)	2.81 (1.57–5.04)^***	2.67 (1.23–5.54)^**
Peer problems (ref: close to average)
Very high	1.67 (0.66–4.25)	1.16 (0.39–2.83)	3.55 (1.48–8.50)^**	2.65 (0.90–6.90)
Prosocial behaviors (ref: close to average)
Very low	0.36 (0.23–0.56)^***	0.41 (0.26–0.66)^***	0.35 (0.21–0.61)^***	0.53 (0.29–1.00)

Crude odds ratio;

adjusted odds ratio;

not in employment, education, or training;

p < 0.05;

^**

p < 0.01;

^***

p < 0.001.