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Table 4 Psychoactive substances according to suicide method, n (%)

From: Psychoactive substances in natural and unnatural deaths in Norway and Sweden – a study on victims of suicide and accidents compared with natural deaths in psychiatric patients

 

Intentional self-poisoning ICD-10: X60-X69

Intentional self-harm by hanging, strangulation and suffocation. ICD-10: X70

Other intentional self-harm ICD-10: X71-X75, X78, X80-X84, X870

Norway n = 37

Sweden n = 56

Norway n = 44

Sweden n = 67

Norway n = 55

Sweden n = 69

Ethanol

14 (38)

22 (39) o

10 (23)

26 (39)

12 (22)

25 (36)

Opioids

12 (32)

19 (34) o

3 (7)

2 (3)

1 (2)

6 (9)

 Heroin/morphine

4 (11)

3 (5)

2 (5)

0

1 (2)

1 (1)

Other opioidsa

9 (24)

18 (32)

2 (5)

2 (3)

0

5 (7)

Cannabinoids

0

2 (4)o

4 (9)

1 (2)

2 (4)

0

Psychostimulantsb

5 (14)

1 (2)*

5 (11)

3 (5)

0

2 (3)

Benzodiazepines, z-drugsc

23 (62)

26 (46)o

12 (27)

13 (19)

11 (20)

10 (15)

Sedative antihistaminesd

4 (11)

23 (41)**

3 (7)

4 (6)

2 (4)

6 (9)

Antidepressants

13 (35)

23 (41)o

8 (18)

16 (24)

9 (16)

17 (25)

SSRI/SNRI

8 (22)

18 (32)

6 (14)

16 (24)

7 (13)

16 (23)

 Other antidepressants

7 (19)

12 (21)

2 (5)

1 (2)

3 (6)

4 (6)

Antipsychotics

9 (24)

4 (7)*

3 (7)

1 (2)

4 (7)

1 (1)

Antiepilepticse

6 (16)

7 (13)o

1 (2)

3 (5)

0

1 (1)

Other/unspecified psychoactive agentf

4 (11)

3 (5)o

2 (5)

1 (2)

6 (11)

1 (1)

Any psychoactive agent

32 (87)

55 (98)*

26 (59)

41 (61)

32 (58)

46 (67)

  1. aMethadone, buphrenorphine, oxycodone, ketobimedone, tramadol, fentanyl, dextropropoxyphene. Includes combination drugs containing codeine, but not codeine assumed to be derived from heroin/morphine
  2. bAmphetamine/methamphetamine, cocaine/benzoylecgonine, MMA, ecstasy and related substances
  3. cZolpidem and zopiclone
  4. dAlimemazine, promethazine, dexchlorfeniramine, hydroxyzine and related substances
  5. eKarbamazepin, lamotrigin, fenobarbital, gabapentin, pregabalin, fenytoin, topiramat (not benzodiazepinesf GHB, nimbex, tiopental, baclofen, propofol, ketamin, butan, orfenadrin, somadril/karsiprodol, biperiden, kloroxazon
  6. fGHB, nimbex, tiopental, baclofen, propofol, ketamin, butan, orfenadrin, somadril/karsiprodol, biperiden, kloroxazon
  7. oNo significant differences in suicides by poisoning in Norway and Sweden (p-value > 0.05)
  8. *Significant differences in suicides by poisoning in Norway and Sweden (p-value < 0.05)
  9. **Significant differences in suicides by poisoning in Norway and Sweden (p-value < 0.01)
  10. ***Significant differences in suicides by poisoning in Norway and Sweden (p-value < 0.00)