Table 4 Factors associated with hospitalization, results of multivariate logistic regression

Age (+10 years)

1.0

0.9-1.0

1.1**

1.0-1.2

Sex

Males

1319

237 (18)

Ref

Females

689

173 (25)

1.5*

1.2-1.9

1.1

0.8-1.5

Main agents

Other agents

609

188 (31)

Ref

Ethanol

859

65 (8)

0.2*

0.1-0.3

0.2*

0.1-0.3

Opioids

437

76 (17)

0.5*

0.3-0.7

0.4*

0.3-0.6

GHB

48

40 (83)

11.2*

5.1-24.4

12.5*

5.4-29.3

Paracetamol

55

41 (75)

6.6*

3.5-12.3

3.8*

1.9-7.6

GCS†

Awake (15)

990

206 (21)

Ref

Drowsy (8-14)

908

167 (18)

0.9

0.7-1.1

1.6**

1.2-2.3

Comatose (< 8)

109

37 (34)

2.0**

1.3-3.0

2.3**

1.3-4.3

Complications

Number

1726

299 (17)

Ref

Respiratory depression

61

33 (54)

5.6*

3.3-9.5

7.8*

4.2-14.4

Others

221

78 (35)

2.6*

1.9-3.5

3.7*

2.5-5.3

Intention

Accidents

334

70 (21)

Ref

AOSA

1439

200 (14)

0.6**

0.5-0.8

0.9

0.6-1.4

Possible suicide attempt

133

70 (53)

4.1*

2.7-6.4

4.5*

2.8-7.3

Definite suicide attempt

88

59 (67)

7.7*

4.6-12.9

8.2*

4.7-14.4

Unknown

14

11 (79)

13.8*

3.8-50.9

2.8

0.5-17.2

Total cases

2008

410 (20)