Table 3 Data about smoking habit and use of illicit drugs of the 2704 subjects enrolled in the study*.

From: Binge Drinking among adolescents is related to the development of Alcohol Use Disorders: results from a Cross-Sectional Study

Subjects with smoking habit, n (%; CI)

787 (29; 28–31)

Subjects that occasionally smoke, n (%; CI)

201 (7.5; 5.8–9.2)

Subjects that weekly smoke, n (%; CI)

154 (5.8; 4.1–7.5)

Subjects that every day smoke, n (%; CI)

422 (16; 14–17)

Subjects with missing data about frequency of smoke, n

10

Subjects that smoke less than 5 cigarettes at day, n (%; CI)

432 (16; 14–18)

Subjects that smoke between 5 and 10 cigarettes at day, n (%; CI)

199 (7.5; 5.8–9.2)

Subjects that smoke between10and 15 cigarettes at day, n (%; CI)

72 (2.7; 1.1–4.4)

Subjects that smoke between 15 and 20 cigarettes at day, n (%; CI)

25 (0.94; 0.00–2.65)

Subjects that smoke more than 20 cigarettes at day, n (%; CI)

11 (0.41; 0.00–2.12)

Subjects with missing data about the amount of cigarettes smoked, n

48

Subjects that use illicit drugs, n (%; CI)

446 (18; 16–19)

Subjects that use Cannabis, n (%; CI)

417 (17; 15–18)

Subjects that use Cocaine, n (%; CI)

16 (0.59; 0.36–0.96)

Subjects that use Heroin, n (%; CI)

9 (0.33; 0.18–0.63)

Subjects that use Amphetamine (Ecstasy or similar), n (%; CI)

19 (0.70; 0.45–1.09)

Subjects with missing data about type of illicit drug used, n

29

Subjects that occasionally use illicit drug, n (%; CI)

288 (11; 10–13)

Subjects that weekly use illicit drug, n (%; CI)

98 (3.6; 2.3–4.9)

Subjects that every day use illicit drug, n (%; CI)

48 (1.8; 0.5–3.1)

Subjects with missing data about frequency of use illicit drug, n

12