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Table 5 Logistic regression analyses of relationships between sex related behaviour and individuals' demographics and substance use behaviour

From: Sexual uses of alcohol and drugs and the associated health risks: A cross sectional study of young people in nine European cities

 

Five or more partners

Sex without a condom

Sex without any birth control

Paid for sex

Exchanged sex for drugs

Had an STI test

Had regretted sex after alcohol or drugs

 

AOR 95%CI

AOR 95%CI

AOR 95%CI

AOR 95%CI

AOR 95%CI

AOR 95%CI

AOR 95%CI

Age

       

   26–35 (Ref)

     

***

**

   21–25

     

0.41 0.27,0.61

2.26 1.28,3.98

   16–20

     

0.88 0.61,1.27

1.38 0.77,2.46

Gender

       

   Female (Ref)

**

  

***

   

   Male

1.77 1.25,2.52

  

5.60 2.67,11.73

   

Relationship Status

       

   Not single (Ref)

***

***

 

**

  

**

   Single

2.30 1.60,3.31

0.58 0.44,0.77

 

2.43 1.30,4.53

  

1.80 1.23,2.64

Sexuality

       

   Heterosexual (Ref)

***

   

**

**

**

   Other

4.29 2.81,6.56

   

4.06 1.44,11.42

1.99 1.35,2.93

2.05 1.30,3.23

Been drunk in last four weeks

       

   No (Ref)

*

      

   Yes

1.59 1.03,2.46

      

Cannabis use

       

   Never used (Ref)

 

*

*

   

*

   Experimented

 

1.19 0.77,1.85

1.45 0.94,2.24

   

2.69 1.26,5.73

   Ex user

 

1.82 1.15,2.89

1.70 1.11,2.60

   

2.16 1.01,4.59

   Occasional user

 

1.59 0.95,2.66

1.31 0.80,2.13

   

2.22 0.97,5.09

   Regular user

 

1.75 1.16,2.65

1.86 1.24,2.76

   

3.29 1.67,6.48

Cocaine use

       

   Never used (Ref)

***

 

**

**

 

**

 

   Experimented

1.42 0.84,2.40

 

1.56 1.04,2.34

1.77 0.75,4.20

 

1.17 0.76,1.82

 

   Ex user

1.50 0.74,3.02

 

1.32 0.77,2.27

3.56 1.45,8.73

 

2.13 1.22,3.69

 

   Occasional user

2.02 1.11,3.68

 

1.32 0.78,2.22

1.44 0.46,4.50

 

1.83 1.10,3.07

 

   Regular user

5.65 3.12,10.23

 

2.71 1.61,4.55

5.13 2.22,11.87

 

2.47 1.50,4.09

 

Ecstasy use

       

   Never used (Ref)

      

**

   Experimented

      

2.12 1.22,3.69

   Ex user

      

2.66 1.47,4.83

   Occasional user

      

2.10 1.14,3.87

   Regular user

      

2.77 1.44,5.35

Country

       

   Portugal (Ref)

***

***

***

**

 

***

 

   Spain

0.40 0.17,0.95

1.42 0.79,2.55

0.54 0.30,0.97

2.59 0.62,10.80

 

0.77 0.42,1.42

 

   Italy

1.05 0.50,2.18

1.80 0.99,3.28

0.92 0.53,1.59

2.21 0.51,9.49

 

0.69 0.38,1.26

 

   Greece

1.01 0.51,1.99

1.04 0.64,1.71

1.66 1.02,2.71

7.39 2.05,26.65

 

0.83 0.48,1.42

 

   Slovenia

0.43 0.18,1.03

3.76 1.98,7.14

1.15 0.68,1.95

0.52 0.05,5.19

 

0.34 0.17,0.65

 

   Czech Republic

0.96 0.48,1.93

3.81 1.98,7.31

0.65 0.39,1.09

1.27 0.24,6.55

 

0.43 0.23,0.80

 

   Austria

2.36 1.23,4.54

1.34 0.78,2.28

0.42 0.25,0.73

6.10 1.63,22.83

 

1.68 0.97,2.89

 

   Germany

1.41 0.72,2.75

2.65 1.43,4.90

0.50 0.29,0.87

0.92 0.15,5.77

 

1.08 0.62,1.88

 

   UK

0.40 0.19,0.88

1.06 0.63,1.81

0.42 0.24,0.72

1.87 0.43,8.11

 

0.66 0.38,1.16

 
  1. * p < .05; ** p < .01; *** p < .001; ns = not significant; AOR = Adjusted Odds Ratio; 95%CI = 95% Confidence Interval; Ref = Reference Category.
  2. Note All analyses limited to those who have had sex in last 12 months. Backward conditional logistic regression was utilised with non-significant factors being removed from the final model. Frequency of alcohol use was an independent variable in all analyses but was not significantly related to any dependents and therefore is not shown above.
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