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Table 4 Bivariate and multivariate analysis of factors associated with ever had sex, having multiple sex partners, and sex for the exchange of money among students of Bahir Dar University, 2013

From: Sexual behaviours and associated factors among students at Bahir Dar University: a cross sectional study

Variables

 

Ever had sex

Having multiple sexual partners

Sex for the exchange of money

  

COR (95 % CI)

AOR (95 % CI)

COR (95 % CI)

AOR (95 % CI)

COR (95 % CI)

AOR (95 % CI)

Sex

       

Male

2.2 (1.6 - 3.0)**

0.9 (0.6 - 1.3)

3.1 (1.7 - 5.7)**

1.4 (0.7 – 3.0)

2.4 (0.8 - 7.9)

3.7 (1.1 - 13.2)**

female

1

1

1

1

1

1

Age

       

18-20

1

1

 

1

  

21-24

8.6 (3.75 - 19.78)**

9.5 (3.8 - 23.9)**

>24

3.65 (1.7 - 7.8)**

3.6 (1.6 - 8.3)**

Year of study

       
 

Year I

1

1

 

Year II

0.53 (0.4 - 0.8)**

0.8 (0.5 - 1.3)

Year III

0.3 (0.2 - 0.5)**

0.6 (0.4 - 1.0)

Year IV

0.6 (0.3 - 1.0)

0.9 (0.5 - 1.8)

Year V

0.7 (0.4 - 1.5)

1.1 (0.5 - 2.4)

Ethncity

       
 

Amhara

0.6 (0.3 - 1.2)

0.9 (0.4 - 2.2)

Oromo

1.7 (0.8 - 3.8)

1.6 (0.6 - 4.3)

Tigray

1.1 (0.5 - 2.5)

1.3 (0.5 - 3.9)

Other

1

1

Religion

       
 

Orthodox

1.5 (0.6 - 3.6)

0.9 (0.3 - 3.2)

0.2 (0.0 - 0.8)

0.4 (0.1 - 2.7)

Muslim

2.5 (0.9 - 6.6)

1.7 (0.5 - 6.1)

0.1 (0.2 - 0.8)

0.3 (0.0 - 2.5)

Protestant

1.9 (0.7 - 5.0)

1.1 (0.3 - 4.1)

0.4 (0.1 - 2.3)

1.3 (0.2 - 9.6)

Other

1

1

1

1

  

Attending night clubs

       
 

Yes

12.9 (7.9 - 21.1)**

7.4 (4.2 - 12.9)**

6.8 (3.9 - 11.5)**

3.1 (1.7 - 5.7)**

No

1

1

1

1

Watching porn video

       
 

Yes

3.3 (2.4 - 4.7)**

1.8 (1.2 - 2.6)**

5.7 (2.6 - 12.5)**

2.8(1.1 - 6.9)**

No

1

1

1

1

Alcoholism

       
 

Never

1

1

1

1

1

1

Always

4.3 (3.1 - 5.8)**

1.9 (1.4 - 2.8)**

9.47 (2.6 - 34.7)**

4.4 (0.9 - 20.8)

0.1(0.0 - 0.8)

2.3 (0.4 - 13.7)

Sometime

2.4 (1.1 - 4.1)**

2.2 (0.9 - 5.5)

6.3 (3.5 - 11.2)**

2.8 (1.4 - 5.6)**

0.4 (0.1 - 1.8)

0.04 (0.0 - 1.5)

Chewing khat

       
 

Never

1

1

1

1

1

1

Sometimes

12 (4.1 - 35.6)**

3.3 (1.0 - 11.2)**

5.2 (2.9 - 9.0)**

2.3 (1.2 - 4.5)**

0.3 (0.1 - 0.9)**

8.5 (1.3 - 55.5)**

 

Always

2.6 (0.8 - 8.2)

1.7 (0.5 - 6.2)

9.9 (3.2 - 31.0)**

2.8 (1.4 - 5.7)**

0.2 (0.0 - 1.1)

1.8 (0.3 - 10.1)

  1. Key: COR: crude odds ratio, AOR: adjusted odds ratio, CI: Confidence interval, −-: those variables who had p-value >0.2 in bivariate analysis, 1: Reference category, **Significant association.