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Table 3 Association between frequency of heavy episodic drinking and risk of alcohol related injury

From: Associations between heavy episodic drinking and alcohol related injuries: a case control study

  Regr coeff S.E. Wald OR 95% CI
Intoxication frequency    293.3   
  None (ref)      
  1-2 times per year 0.75 0.20 13.7 2.1 1.4, 3.1
  3-11 times per year 0.72 0.20 13.4 2.1 1.4, 3.0
  Once a month 2.18 0.24 85.7 8.9 5.6, 14.1
  Several times a month 2.84 0.25 128.9 17.1 10.5, 27.8
  Several times a week 3.54 0.25 208.7 34.4 21.3, 55.6
Gender 0.31 0.14 5.4 1.4 1.05, 1.8
Age 0.024 0.004 33.0 1.02 1.02, 1.03
Constant -4.12 0.33 159.4   
  1. Logistic regression model; regression coefficient, standard error of estimate (SE), Wald test, odds ratio and 95% confidence interval (CI) (n = 2105).
  2. Notes: Gender was coded 0 for women and 1 for men. Age was a continuous variable. There were no gender differences in the association between intoxication frequency and risk of alcohol related injury (the interaction term was close to zero (0.002, p = .729).