Skip to main content

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

From: Outpatient treatment of acute poisonings in Oslo: poisoning pattern, factors associated with hospitalization, and mortality

    Crude Adjusted
  Total Hospitalized OR 95% CI OR 95% CI
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)     
  1. *Significant, p < 0.001, **significant, p < 0.05
  2. AOSA: accidental overdose with substances of abuse
  3. †Glasgow Coma Scale: one case with a missing value
  4. Age was subtracted by 10 in the analysis