Table 4 Substance use and suicidal ideation/suicide attempt among Lebanese adolescents in 7th−12th grades

Ever marijuana use

 No

5307 (97.61)

Ref.

Ref.

 Yes

141 (2.39)

6.09 (4.09–9.08)

2.66 (1.24–5.67)

Current marijuana use

 No

5327 (97.99)

Ref.

Ref.

 Yes

109 (2.01)

6.00 (2.94–12.24)

1.97 (0.91–4.25)

Ever amphetamine use

 No

5161 (98.48)

Ref.

Ref.

 Yes

90 (1.52)

4.16 (2.50–6.91)

2.24 (0.79–6.29)

Age at drug initiation (years)

 ≤ 9

100 (49.82)

Ref.

Ref.

 10–13

43 (23.67)

0.59 (0.21–1.66)

2.31 (0.61–8.80)

 ≥ 14

49 (26.51)

1.14 (0.48–2.70)

0.33 (0.02–5.09)

Current cigarette use

 No

4847 (86.89)

Ref.

Ref.

 1–5 days/month

401 (7.60)

2.87 (2.13–3.87)

1.50 (0.91–2.46)

 ≥ 6 days/month

304 (5.51)

3.38 (2.14–5.33)

3.71 (2.15–6.39)

Current use of other tobacco products

 No

3781 (68.70)

Ref.

Ref.

 1–5 days/month

1142 (19.68)

2.25 (1.73–2.92)

1.20 (0.71–2.06)

 ≥ 6 days/month

699 (11.63)

3.83 (2.95–4.96)

3.06 (1.91–4.90)

Age at cigarette initiation (years)

 ≤ 9

322 (24.36)

Ref.

Ref.

 10–13

504 (41.20)

0.80 (0.49–1.32)

1.99 (0.70–5.68)

 ≥ 14

484 (34.45)

0.79 (0.48–1.27)

2.53 (1.02–6.26)

Drink alcohol

 No

4664 (82.53)

Ref.

Ref.

 1–5 days/month

566 (12.31)

1.56 (1.10–2.22)

1.90 (1.15–3.14)

 ≥ 6 days/month

250 (5.16)

2.55 (1.57–4.17)

2.36 (1.27–4.39)

Quantity of alcohol (at each event)

 No

4673 (81.80)

Ref.

Ref.

 ≤ 1/day

453 (9.99)

1.44 (1.02–2.04)

1.72 (1.01–2.91)

 ≥ 2/day

399 (8.21)

2.22 (1.35–3.67)

2.21 (1.26–3.88)

Got drunk (lifetime)

 No

4884 (82.89)

Ref.

Ref.

 Yes

824 (17.11)

1.92 (1.22–3.3)

1.56 (0.93–2.62)

Troubled drunk

 No

4316 (71.95)

Ref.

Ref.

 Yes

1392 (28.05)

1.38 (1.07–1.77)

0.76 (0.52–1.12)

Age at first drink (years)

 ≤ 9

320 (19.29)

Ref.

Ref.

 10–13

481 (30.50)

0.59 (0.34–1.00)

0.66 (0.32–1.38)

 ≥ 14

327 (50.21)

0.50 (0.29–0.84)

0.83 (0.33–2.06)