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Table 5 Multivariable model to test the factors associated with the absence of genito-anal injuries in survivors who were virgins

From: Genito-anal injury patterns and associated factors in rape survivors in an urban province of South Africa: a cross-sectional study

  Univariate analysis OR (95% CI) p value Multivariable analysis (N = 275) OR (95% CI) p value
PATIENT INFORMATION
Age (N = 349)     
<4 years -   -  
4 - 7 years 0.8 (0.3 - 1.8) 0.563 0.5 (0.2 - 1.5) 0.232
8 - 12 years 0.2 (0.1 - 0.6) 0.002 0.2 (0.1 - 0.5) 0.001
13 - 17 years 0.2 (0.1 - 0.6) 0.001 0.2 (0.1 - 0.4) 0.000
18 - 34 years 0.5 (0.2 - 1.6) 0.219 0.3 (0.1 - 1.1) 0.070
35 - 44 years 0.8 (0.0 - 17.4) 0.887 0.7 (0.0 - 15.3) 0.813
Disability (N = 361)     
No -   -  
Yes 2.8 (0.9 - 8.8) 0.083 4.9 (1.2 - 20.1) 0.028
RAPE
Length of time perpetrator detained victim (N = 321)     
Less than a day -    
1 day of more 0.8 (0.4 - 1.6) 0.484   
Multiple perpetrators (N = 342)     
No -    
Yes 0.8 (0.3 - 1.6) 0.424   
Perpetrator victim relationship (N = 324)     
Any relative -    
Current or ex-partner 0.3 (0.0 - 1.5) 0.138   
Stranger or someone known only slightly/by sight 0.5 (0.2 - 1.0) 0.048   
Some other known person 0.9 (0.5 - 1.8) 0.769   
Perpetrator armed (N = 339)     
No -    
Yes 0.5 (0.3 - 1.0) 0.064   
Victim hurt with weapon (N = 59)     
No -    
Yes 0.5 (0.1 - 2.4) 0.355   
Victim threatened (N = 361)     
No -    
Yes 0.7 (0.4 - 1.2) 0.202   
Physical force used (N = 337)     
No -    
Yes 0.6 (0.4 - 1.0) 0.057   
Victim resisted (N = 361)     
No -    
Yes 0.7 (0.5 - 1.2) 0.195   
Number of penetrations (N = 274)     
1 -    
>1 0.9 (0.5 - 1.8) 0.774   
EXAMINATION
Time from rape to examination (N = 281)     
<2 days -   -  
2 - 10 days 1.4 (0.8 - 2.4) 0.244 1.3 (0.7 - 2.4) 0.348
Doctor's qualification (N = 310)     
Medical degree -    
Higher than medical degree 1.0 (0.5 - 2.0) 0.944