Research Article

Stress among Medical Students and Its Association with Substance Use and Academic Performance

Table 6

Association between stress and predictor variables among medical students. Multivariate logistic regression analysis, .

Predictor variables Total 
(%)
StressAOR (95%)
Yes ()No ()
(%) (%)

Monthly income (ETB)
 ≤20098 (30.9)60 (61.2)38 (38.8)2.52 (1.15–5.50)
 201–400 149 (47.0)86 (57.7)63 (42.3)2.73 (1.34–5.54)
 >40070 (22.1)20 (28.6)50 (71.4)1.00
Year level
 First year72 (22.7)42 (58.3)30 (41.7)16.67 (4.65–9.74)
 Second year 79 (24.9)45 (57.0)34 (43.0)13.49 (3.90–47.22)
 Third year47 (14.8)23 (48.9)24 (51.1)9.12 (2.44–34.10)
 Fourth year53 (16.7)30 (56.6)23 (43.4)14.80 (4.05–54.15)
 Fifth year38 (12.0)19 (50.0)19 (50.0)7.25 (1.92–27.36)
 Sixth year28 (8.8)7 (25.0)21 (75.0)1.00
Khat chewing
 Yes56 (17.7)49 (87.5)7 (12.5)3.03 (1.17–7.85)
 No261 (82.3)117 (44.8)144 (55.2)1.00
Cigarette smoking
 Yes30 (9.5)27 (90.0)3 (10.0)4.55 (1.05–19.77)
 No287 (90.5)139 (48.4)148 (51.6)1.00
Alcohol using
 Yes113 (35.6)84 (74.3)29 (25.7)1.93 (1.03–3.60)
 No204 (64.4)82 (40.2)122 (59.8)1.00
Mean CGPA ± SD317 (100.0)3.10 ± 0.393.41 ± 0.310.10 (0.05–0.21)

Reference categories. ETB = Ethiopian Birr. Current exchange rate: $1USD = 21.00 ETB.
CGPA = cumulative grade point average.