Korean Journal of Family Practice

Table. 4.

Result of effects of mental health and drinking behavior on youth smoking

Variable Range Odds ratio 95% confidence interval P-value
Sex Female -
Male 2.959 2.770–3.161 <0.001
School grade General high school -
Middle school 0.887 0.829–0.948 <0.001
Specialized high school 1.887 1.731–2.057 <0.001
Academic performance
(last a year)
First - -
Second 1.127 1.005–1.263 0.041
Third 1.321 1.184–1.475 <0.001
Fourth 1.774 1.586–1.983 <0.001
Fifth 2.587 2.290–2.923 <0.001
Economic status First -
Second 0.946 0.848–1.054 0.314
Third 0.896 0.808–0.994 0.038
Fourth 0.992 0.876–1.124 0.901
Fifth 1.118 0.931–1.343 0.232
Sexual experience No -
Yes 3.369 3.067–3.700 <0.001
Stress recognition Not feeling at all -
Not feeling much 1.199 0.997–1.441 0.053
A little feeling 1.128 0.950–1.339 0.170
A lot of feeling 1.099 0.923–1.298 0.267
A great deal of feeling 1.135 0.952–1.354 0.158
Fatigue recovery (last 7 days) Very enough -
Enough 1.054 0.906–1.227 0.493
Just so-so 1.179 1.025–1.356 0.021
Not enough 1.222 1.061–1.407 0.005
Not enough at all 1.340 1.154–1.555 <0.001
Sadness and despair experience
(last a year)
No -
Yes 1.256 1.170–1.348 <0.001
Suicide thinking (last a year) No -
Yes 1.415 1.297–1.544 <0.001
Drinking experience (lifetime) No -
Yes 7.112 6.578–7.688 <0.001
Drinking days (last 30 days) No (last 30 days) -
1–2 (last 30 days) 1.055 0.953–1.167 0.300
3–5 (last 30 days) 1.422 1.230–1.644 <0.001
6–9 (last 30 days) 1.660 1.380–1.998 <0.001
10–19 (last 30 days) 1.401 1.118–1.754 0.003
20–29 (last 30 days) 1.422 1.041–1.943 0.027
Everyday 1.450 0.934–2.250 0.098
Average drinking amount at once
(last 30 days)
1–2 (glasses of soju) -
3–4 (glasses of soju) 1.954 1.690–2.258 <0.001
5–6 (glasses of soju) 2.844 2.370–3.414 <0.001
1–2 (bottle of soju) 3.713 3.237–4.259 <0.001
More than 2 (bottle of soju) 3.432 2.867–4.109 <0.001
Drunk (last 30 days) No (last 30 days) -
1–2 (last 30 days) 1.880 1.584–2.230 <0.001
3–4 (last 30 days) 1.162 0.778–1.737 0.463
More than 5 (last 30 days) 3.302 2.037–5.353 <0.001

-, not available.

P-values were calculated by multivariate logistic regression analysis.

Korean J Fam Pract 2021;11:127~134 https://doi.org/10.21215/kjfp.2021.11.2.127
© KJFP