Table 3 Logistic regression analysis showing factors associated with khat chewing within the last 12 months among Woldia University students, 2015

Sex

 Male

63

391

3.44 (1.67, 7.06)*

2.45 (1.06, 5.66)*

 Female

9

192

1

1

Religion

 Orthodox

46

431

1.00

1.00

 Muslims

16

79

1.90 (1.02, 3.52)*

3.72 (1.56, 8.87)*

 Others^a

10

73

0.89(0.37, 2.18)

0.99 (0.36, 2.77)

Ethnicity

 Amhara

30

369

1.00

1.00

 Oromo

20

74

3.32 (1.79, 6.17)**

2.69 (1.21, 6.01)*

 SNNP^b

13

74

2.16 (1.08, 4.34)*

2.03 (0.77, 5.32)

 Tigray

9

66

1.68 (0.76, 3.69)

1.88 (0.70, 5.09)

Year of study

 1st year

17

209

1.00

1.00

 2nd year

32

253

1.56 (0.84, 2.88)

1.57 (0.73, 3.39)

 3rd year

18

95

2.33 (1.15, 4.72)*

2.52 (1.06, 5.98)*

 4th year

5

26

2.36 (0.81, 6.94)

3.03 (0.78, 11.82)

Ever drunk alcohol

 Yes

54

163

7.73 (4.40, 13.58)**

6.37 (2.97, 13.67)**

 No

18

420

1.00

1.00

Ever smoked cigarette

 Yes

32

20

22.52 (11.83, 42.89)**

9.16 (4.33, 19.38)**

 No

40

563

1.00

1.00

Average monthly pocket money (ETB)

 <250

5

169

1.00

1.00

 250–499

30

256

3.96 (1.51, 10.41)*

3.37 (1.14, 9.98)*

 ≥500

37

158

7.92 (3.04, 20.65)**

5.28 (1.77, 15.77)*