Table 2 Description and comparison of clinical features by acute use of substances

 Alcohol

35 (72.9)

 Cannabis

3 (6.25)

 MDMA (Ecstasy)

1 (2.08)

 Methaqualone (Mandrax)

2 (4.17)

 Cocaine

3 (6.25)

 Methamphetamine (Tik)

5 (10.4)

 Heroin

2 (4.17)

 Opiates

1 (2.08)

 Yes

9 (18.8)

 No

39 (81.3)

 Self-poison

37 (77.1)

0.381

1

0.537

  Prescription medication

27 (56.3)

0.552

1

0.458

  Non-prescription medication

17 (35.4)

0.525

1

0.469

  Ingestion or inhalation of poison

3 (6.25)

1.16

1

0.429

 Damage body tissue

8 (16.7)

0.278

1

0.598

  Laceration

4 (8.33)

0.040

1

0.769

  Hanging

3 (6.25)

0.021

1

1.00

  Asphyxiation

1 (2.08)

1.12

1

0.291

  Immolation

1 (2.08)

–

–

–

  Jumped off a height

2 (4.17)

0.332

1

0.564

  Jumped in front of a train

1 (2.08)

0.327

1

0.493

 Mixed method (i.e. self-poison and damage to body tissue)

3 (6.3)

0.290

1

0.703

 Not known

0

–

–

–

^dGlasgow Coma Scale (Level Of Consciousness)

0.099

2

0.095

 Minimal depression in LOC

40 (83.3)

 Moderately depressed LOC

3 (6.3)

 Significantly depressed LOC

5 (10.4)

Received medical intervention

0.269

1

0.604

 Yes

32 (66.7)

 No

16 (33.3)

^ePierce Suicide Intent Scale (PSIS)

0.079

2

0.961

 Low to moderate suicide intent

17 (35.4)

 High suicide intent

8 (16.7)

 Not known

23 (47.9)

Received a psychiatric assessment

0.031

1

0.859

 Yes

34 (70.8)

 No

14 (29.2)