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Table 3 Logistic regression estimates of independent predictors of alcohol drinking among sampled high school students in eastern Ethiopia (n = 1721)§

From: Alcohol drinking patterns among high school students in Ethiopia: a cross-sectional study

Explanatory variable Unadjusted OR (95% CI) p-value Adjusted OR (95% CI) p-value
Sex     
   Male 2.67 (2.09-3.41) < 0.010 2.09 (1.45-3.00) < 0.001
   Female 1.0   1.0  
Age 1.32 (1.22-1.42) < 0.010 1.16 (1.01-1.34) 0.030
Grade     
   9th 1.00   1.00  
   10th 0.84 (0.65-1.21) 0.438 1.30 (0.87-1.95) 0.204
   11th 0.64 (0.46-0.89) < 0.010 0.98 (0.64-1.51) 0.937
   12th 0.38 (0.28-0.53) < 0.001 0.77 (0.51-1.17) 0.216
Having friends who drink alcohol     
   Yes 17.56 (13.04-23.65) < 0.010 10.09 (6.84-14.89) < 0.001
   No 1.0   1.0  
Living with people who drink alcohol     
   Yes 7.93 (6.08-10.36) P < 0.010 2.77 (1.89-4.07) < 0.001
   No 1.0   1.0  
  1. §There were no outliers detected (standard deviations outside ± 3) nor multicollinearity