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Table 4 Bivariate analysis of factors associated with substance use

From: Substance use patterns among university students in Egypt

Variables

Total

Substance user

N [%]

P value

(Chi-square)

COR [95% CI]

(Epi-info program)

Overall

1138

74 [6.5]

-

-

Age

    

 < 20

550

21 [3.8]

≤ 0.001

1r

 ≥ 20

588

53 [9]

 

2.5 [1.5-4.2]

Sex

    

 Male

650

67 [10.3]

≤ 0.001

7.8 [3.6-17.4]

 Female

488

7 [1.4]

 

1r

College type

    

 Medical

219

12 [5.5]

0.9

1.1 [0.5-2.09]

 Practical

261

28 [10.7]

0.002

2.2 [1.3-3.7]

 Theoretical

658

34 [5.2]

 

1r

Educational year

    

 1st and 2nd year

507

13 [2.6]

 

1r

 3rd year

259

12 [4.6]

0.1

1.8 [0.8-4.1]

 4th year

266

33 [12.4]

≤ 0.001

5.4 [2.8-10.4]

 5th and 6th year

106

16 [15.1]

≤ 0.001

6.7 [3.1-14.5]

Residence

    

 Urban

565

46 [8.1]

0.03

1.7 [1.1-2.8]

 Rural

573

28 [4.9]

 

1r

Smoking

    

 Yes

256

62 [24.2]

≤ 0.001

23.1 [12.2-43.8]

 No

882

12 [1.4]

 

1r

Medical problem

    

 Yes

265

10 [3.8]

0.04

1r

 No

873

64 [7.3]

 

2.01 [1.02-3.9]

Working during study

    

 Yes

152

21 [13.8]

≤ 0.001

2.8 [1.6-4.8]

 No

986

53 [5.4]

 

1r

Marital status

    

 Single

1102

68 [6.2]

0.01

1r

 Married

36

6 [16.7]

 

3.04 [1.2-7.5]

  1. COR crude odds ratio which was calculated using Epi-info program. Data are expressed as mean ± standard deviation; P value is assessed via Chi-square. P value ≤ 0.05 is considered statistically significant, N number