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Table 4 Previous admittance history

From: Psychoactive substances and previous hospital admissions, triage and length of stay in rural injuries: a prospective observational study

 

Bivariable panel (chi2), n (%)

Multivariable panel, n (%)

Detected

Not detected

Total

p value

Missing

Odds ratio

Confidence interval

p value

Missing

Number of previous admittances to the health trust

At least one

 Alcohol*

125 (79.6)

362 (69.6)

487 (71.9)

0.015

7 (1)

2.13

1.35–3.37

0.001

21 (3.1)

 s-ethanol**

71 (77.2)

420 (71.2)

491 (72)

0.234

2 (0.3)

1.64

0.95–2.83

0.075

18 (2.6)

 PMD***

84 (80.8)

407 (70.4)

491 (72)

0.030

1.57

0.90–2.75

0.112

 Illicit

21 (91.3)

470 (71.3)

491 (72)

0.036

6.43

1.47–28.08

0.013

 AUDIT-C ≥ 5

137 (69.9)

354 (72.8)

491 (72)

0.439

1.47

0.98–2.20

0.065

Three or more

 Alcohol*

82 (52.2)

234 (45)

316 (46.7)

0.112

7 (1)

1.80

1.21–2.66

0.004

21 (3.1)

 s-ethanol**

45 (48.9)

275 (46.6)

320 (46.9)

0.681

2 (0.3)

1.49

0.92–2.40

0.106

18 (2.6)

 PMD***

64 (61.5)

256 (44.3)

320 (46.9)

0.001

1.75

1.11–2.76

0.016

 Illicit

13 (56.5)

307 (46.6)

320 (46.9)

0.348

2.52

1.05–6.02

0.038

 AUDIT-C ≥ 5

78 (39.8)

242 (49.8)

320 (46.9)

0.018

1.11

0.76–1.63

0.590

Five or more

 Alcohol*

62 (39.5)

169 (32.5)

231 (34.1)

0.105

7 (1)

1.81

1.21–2.72

0.004

21 (3.1)

 s-ethanol**

34 (37)

201 (34.1)

235 (34.5)

0.588

2 (0.3)

1.57

0.96–2.58

0.074

18 (2.6)

 PMD***

48 (46.2)

187 (32.4)

235 (34.5)

0.006

1.52

0.97–2.38

0.067

 Illicit

10 (43.5)

225 (34.1)

235 (34.5)

0.354

2.49

1.04–5.99

0.041

 AUDIT-C ≥ 5

51 (26)

184 (37.9)

235 (34.5)

0.003

0.88

0.59–1.33

0.548

  1. *Ethanol in blood or self-reported use of alcohol during the 6 h prior to the incident. 7 (1%) missing participants in bivariable testing. 21 (3.1%) missing from multivariable analysis. For all other variables (s-ethanol, PMD’s, illicit substances and AUDIT-C, 2 (0.3%) participants are missing from bivariable testing, and 18 (2.6%) from the multivariable panel due to lack of values
  2. **Serum-ethanol, ethanol identified in blood sample on arrival.
  3. ***Psychoactive Medicinal Drugs.
  4. Corrected for sex and age