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Table 2 Association of level of alcohol consumption with single and multipleattendances among 1,748 patients on first attendance at ERs

From: A 6-months assessment of the alcohol-related clinical burden at emergency rooms (ERs) in 11 acute care hospitals of an urban area in Germany

  Single attendance (N = 1,451 patients) Multiple attendances (N = 297 patients) OR for multiple attendances
Factors % % OR a (95% CI)
Gender b    
Male (N = 1,313) 57.7 42.3 1.95 (1.57–2.44)
Female (N = 404) 72.6 27.4 1 (reference)
Age c    
≤ 20 years (N = 58) 98.3 1.7 1 (reference)
21 – 44 years (N = 907) 80.6 19.4 13.3 (1.8–96.5)
45 – 59 years (N = 568) 82.2 17.8 12.1 (1.7–88.1)
60 – 64 years (N = 103) 85.6 14.4 9.5 (1.2–73.6)
≥ 65 (N = 77) 96.1 3.9 2.3 (0.2–22.9)
Clinical degree of alcohol consumption    
High (N = 531) 55.0 45.0 2.62 (1.84–3.72)
Middle (N = 796) 62.6 37.4 1.94 (1.35–2.77)
Low (N = 231) 65.8 34.2 1.77 (1.19–2.65)
Symptoms of withdrawal (N = 190) 77.3 22.7 1 (reference)
Results of alcohol breath test in millilitres    
> 400 (N = 32) 52.4 47.6 2.30 (1.17–4.50)
201 – 400 (N = 474) 51.1 48.9 2.38 (1.79–3.18)
101 – 200 (N = 968) 59.9 40.1 1.70 (1.21–2.38)
≤ 100 (N = 274) 72.4 27.6 1 (reference)
  1. a separate logistic regression models calculated for each factor showing Odds ratios for multiple attendances, adjusted for age and sex; OR denotes Odds ratio; CI denotes confidence interval; b 31 missing values; c 33 missing values;