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. 2014 Apr 14;14:81. doi: 10.1186/1472-6920-14-81

Table 3.

Odds ratio of variables (missed class <3 times vs missed class ≥3 per semester)

  P-value Unadjusted ORs (95% CI) P-value AOR (95% CI)
Age
<0.0001
1.18 (1.102, 1.257)
0.020
1.19 (1.028, 1.374)
Grown up
Urban (ref)
 
 
 
 
Rural
<0.0001
0.46 (0.360, 0.579)
<0.0001
0.41 (0.251, 0.663)
High school
Governmental or public (ref)
 
 
 
 
Private
<0.0001
2.56 (1.897, 3.453)
0.030
2.10 (1.077, 4.103)
Missionary
0.005
3.32 (1.429, 7.711)
0.126
3.84 (0.686, 21.496)
University entrance examination score range
Excellent (ref)
 
 
 
 
Very good
<0.0001
0.41 (0.303, 0.565)
0.107
0.645 (0.378, 1.100)
Good
<0.0001
0.40 (0.283, 0.561)
0.130
0.628 (0.344, 1.147)
Fair
0.291
0.62 (0.260, 1.497)
0.860
0.843 (0.127, 5.595)
Poor
0.822
0.87 (0.269, 2.834)
0.613
0.600 (0.083, 4.348)
Students mother or next of kin education level
No education (ref)
 
 
 
 
Primary
0.045
1.35 (1.007, 1.821)
0.337
1.37 (0.723, 2.579)
Secondary
<0.0001
1.87 (1.326, 2.630)
0.969
0.98 (0.421, 2.297)
Diploma
<0.0001
2.62 (1.791, 3.842)
0.238
0.530 (0.185, 1.520)
Degree
0.002
1.98 (1.277, 3.065)
0.419
0.62 (0.197, 1.964)
Students father or next of kin education level
No education (ref)
 
 
 
 
Primary
0.739
0.95 (0.679, 1.316)
0.476
0.78 (0.400, 1.534)
Secondary
0.313
1.21 (0.836, 1.747)
0.984
0.99 (0.431, 2.283)
Diploma
0.001
1.90 (1.297, 2.769)
0.553
0.76 (0.313, 1.863)
Degree
<0.0001
1.97 (1.398, 2.785)
0.587
0.76 (0.287, 2.027)
Place to have meal
In the university cafeteria (ref)
 
 
 
 
Non-café
0.001
1.65 (1.242, 2.202)
0.498
1.27 (0.638, 2.522)
Money they get monthly from family or relatives
Less than 100 birr (ref)
 
 
 
 
100-200 birr
0.326
1.28 (0.783, 2.083
0.037
2.50 (1.058, 5.900)
200-300 birr
0.044
1.62 (1.012, 2.586)
0.016
2.92 (1.221, 6.969)
300-500 birr
<0001
2.28 (1.457, 3.550)
0.014
3.00 (1.251, 7.209)
More than 500 birr
<0001
3.70 (2.241, 6.101)
0.060
2.71 (0.961, 7.618)
Field of study
Medicine (ref)
 
 
 
 
Nursing
<0001
0.17 (0.113, 0.241)
<0.0001
0.11 (0.044, 0.253)
Midwifery
<0001
0.19 (0.122, 0.292)
0.001
0.20 (0.075, 0.514)
Medical laboratory technology
<0001
0.20 (0.122, 0.316)
0.005
0.21 (0.073, 0.624)
Health officer
<0001
0.19 (0.136, 0.262)
<0.0001
0.12 (0.061, 0.239)
Optometry
<0001
0.23 (0.129, 0.397)
0.003
0.13 (0.033, 0.487)
Environmental
<0001
0.17 (0.077, 0.353)
0.002
0.11 (0.026, 0.427)
Year of study
1st year (ref)
 
 
 
 
2nd year
<0001
2.66 (1.660, 4.261)
0.335
1.80 (0.545, 5.925)
3rd year
<0001
3.67 (2.267, 5.931)
0.379
1.73 (0.511, 5.856)
4th year
<0001
4.65 (2.903, 7.435)
0.352
1.81 (0.518, 6.354)
5th year
<0001
8.56 (4.636, 15.895)
0.745
1.30 (0.267, 6.326)
Joined field of study as per choice
Yes (ref)
 
 
 
 
No
0.017
0.74 (0.571, 0.946)
0.211
1.40 (0.828, 2.357)
Total number of students in a class (per one additional student)
<0001
1.01 (1.009, 1.014)
0.619
1.00 (0.995, 1.009)
Reason for missing classes
Class schedule inconvenience
<0001
1.93 (1.526, 2.426)
<0.0001
3.40 (2.137, 5.405)
The subject does not need teachers guidance (simplicity)
<0001
3.10 (2.105, 4.561)
<0.0001
4.80 (2.403, 9.575)
Lack of interest to the subject
0.002
2.07 (1.296, 3.312)
0.087
2.19 (0.893, 5.352)
Do not like teachers teaching style
<0001
2.74 (2.077, 3.611)
0.014
1.83 (1.133, 2.954)
First year GPA
0.065
1.33 (0.982, 1.810)
0.020
0.52 (0.298, 0.903)
Social drug use
Never used (ref)
 
 
 
 
Khat
0.195
1.39 (0.846, 2.276)
0.847
1.09 (0.465, 2.539)
Cigarette
0.031
2.92 (1.100, 7.737)
0.392
2.47 (0.311, 19.619)
  Alcohol 0.324 1.35 (0.745, 2.432) 0.159 2.09 (0.750, 5.832)

Note: P-values in bold are statistically significant (p < 0.05).