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

From: Determinants of psychoactive substances use among Woldia University students in Northeastern Ethiopia

Variables Khat chewing COR (95% CI) AOR (95% CI)
Yes No
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)*
 Othersa 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)*
 SNNPb 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)*
  1. Hosmer–Lemeshow goodness-of-fit = 0.271
  2. ETB Ethiopian Birr, COR crude odds ratio, AOR adjusted odds ratio, CI confidence interval
  3. *Statistically significant variables at p < 0.05
  4. **Statistically significant variables at p < 0.001
  5. aProtestant, Catholic and traditional
  6. bSouthern nations, nationalities and peoples