Table 3.

Correlates of the continued e-cigarette use in the adolescents from socially disadvantaged rural area in Poland

Characteristic	Unadjusted OR (95 % CI)	Adjusted OR (95 % CI)
Gender
Male	1.5 (1.2–1.8)*	1.4 (1.1–1.8)**
Female	1.0 (Ref.)	1.0 (Ref.)
Age (years)	1.0 (0.9–1.0)
School grade
Secondary	1.0 (Ref.)
High	1.0 (0.8–1.2)
Father education
Low	1.0 (Ref.)	1.0 (Ref.)
Medium	0.6 (0.5–0.8)*	0.7 (0.5–0.9)**
High	0.5 (0.4–0.7)*	0.5 (0.4–0.7)*
Mother education
Low	1.0 (Ref.)	1.0 Ref.
Medium	1.1 (0.9–1.4)	1.0 (0.7–1.3)
High	0.6 (0.4–0.8)*	0.8 (0.6–1.1)
Money available per month
≤ 100 PLN	1.0 (Ref.)	1.0 (Ref.)
> 100 PLN	0.6 (0.5–0.7)*	0.8 (0.6–1.0)
Alcohol use
Non-drinker (a)	1.0 (Ref.)
Moderate & Binge	0.9 (0.7–1.2)
Tobacco cigarette smoking status of the adolescents
Never tobacco smoker	1.0 (Ref.)	1.0 (Ref.)
Ever tobacco smoker	1.4 (1.0–1.9)	1.0 (0.7–1.4)
Current tobacco smoker	3.8 (2.8–5.1)*	3.0 (2.1–4.2)*
Parental smoking
None	1.0 (Ref.)
One or both parents	1.1 (0.9–1.4)
Friends smoking
None	1.0 (Ref.)	1.0 (Ref.)
Some	0.9 (0.6–1.2)	0.9 (0.6–1.3)
Most or all	1.7 (1.2–2.3)**	1.4 (0.9–2.0)
Perception that tobacco smoking is harmful to health
No	1.5 (1.2–2.0)**	1.2 (0.8–1.6)
Yes	1.0 (Ref.)	1.0 (Ref.)
E-cigarette harm perception
As harmful	1.0 (Ref.)	1.0 (Ref.)
Less harmful	0.9 (0.7–1.1)	0.9 (0.7–1.2)
More harmful	0.2 (0.1–0.3)*	0.2 (0.1–0.3)*
School has the rules restricting e-cigarettes use
Yes	1.0 (Ref.)	1.0 (Ref.)
No	1.3 (1.0–1.5)**	1.2 (1.0–1.5)
Smoking ban in a school building and in the school area
Yes in all places	1.0 (Ref.)	1.0 (Ref.)
Yes in a school building but not in the school area	1.1 (0.8–1.6)	0.9 (0.6–1.3)
No	1.6 (1.2–1.9)*	1.4 (1.0–1.8)**

* ≤ 0.001

** < 0.05