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Table 3 Generalized Linear Model of additional units consumed per week through atypical and special occasion drinking

From: Holidays, celebrations, and commiserations: measuring drinking during feasting and fasting to improve national and individual estimates of alcohol consumption

     95% CIs  
Variable   Category B Lower Upper χ 2 P
Sex   Male 0.595 0.176 1.014 7.746 0.005
   Female Ref     
Age   16–24 −1.035 −6.480 4.410 0.139 0.709
   25–34 19.322 14.108 24.536 52.750 <0.001
   35–44 3.649 −1.570 8.868 1.877 0.171
   45–54 10.815 6.497 15.132 24.101 <0.001
   55–64 0.015 −4.271 4.302 0 0.994
   65–74 −2.807 −7.013 1.400 1.710 0.191
   75+ Ref 2 = 200.013, P <0.001)    
Typical alcohol consumption category a Lower risk 1 1.786 −2.008 5.580 0.851 0.356
  2 2.343 −1.470 6.155 1.450 0.228
  3 2.392 −1.564 6.348 1.405 0.236
Increasing risk 4 3.589 −0.685 7.862 2.709 0.100
  5 0.962 −3.554 5.479 0.174 0.676
Higher risk 6 Ref 2 = 104.936, P <0.001)    
Interactions b Age × Consumption   2 = 249.211, P <0.001)    
  Age × Sex   2 = 3.277, P = 0.773)    
  Consumption × Sex   2 = 7.688, P = 0.174)    
  1. aPrior to adjustment for atypical/special alcohol consumption; see Box 1. Non-significant terms were removed from the model. Figures in brackets represent overall statistical significance of variable when independent variable has more than two categories. bOnly overall statistics are presented for interactions due to space constraints. 95% CI, 95% Confidence intervals; Ref, Reference category.