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

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

   9^th

1.00

1.00

   10^th

0.84 (0.65-1.21)

0.438

1.30 (0.87-1.95)

0.204

   11^th

0.64 (0.46-0.89)

< 0.010

0.98 (0.64-1.51)

0.937

   12^th

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