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Table 1 Factors associated with general willingness to receive intravenous buprenorphine treatment in the study sample

From: Individual and structural correlates of willingness for intravenous buprenorphine treatment among people who inject sublingual buprenorphine in France

  N (%) or Median [IQR] Univariate analysis n = 209 Multivariate analysis n = 197
OR [95% CI] p AOR [95% CI] p
Questionnaire        
Online 162 (78) 0      
Face-to-face 47 (22) 0.97 [0.53; 1.77] 0.924    
Gender        
Male 164 (79) 0      
Female 43 (21) 0.75 [0.41; 1.35] 0.335    
Age        
For 1 year 34 [28–41] 0.99 [0.96; 1.02] 0.619    
Stable housing        
No 81 (39) 0      
Yes 127 (61) 0.72 [0.43; 1.22] 0.228    
Employment        
No 147 (70) 0      
Yes 62 (30) 0.76 [0.44; 1.30] 0.319    
Duration of opioid use        
For 1 year 8 [4–11] 1.01 [0.96; 1.06] 0.614    
Duration of buprenorphine use        
For 1 year 6 [4–10] 1.02 [0.97; 1.07.] 0.528    
Daily buprenorphine dose        
For 1 mg 11 [8–16] 1.04 [1.00; 1.09] 0.052 1.05 1.05 0.043
Daily injection frequency        
For 1 injection 3 [2–4] 1.12 [0.98; 1.27] 0.086    
Buprenorphine non-prescribed        
No 187 (93) 0      
Yes 13 (7) 3.98 [1.09; 14.47] 0.036 4.82 [1.30; 17.85] 0.019
Main reason for injecting buprenorphine        
To get “high” 27 (15) 0      
To avoid withdrawal symptoms or to feel good enough for daily functioning 103 (59) 0.96 [0.44; 2.10] 0.929    
For the pleasure of the act 41 (23) 2.23 [1.08; 4.61] 0.030    
Other non-opioid drugs used        
No 49 (24) 0      
Yes 156 (76) 1.03 [0.56; 1.89] 0.934    
Alcohol use        
No 124 (59) 0      
Yes 85 (41) 0.99 [0.60; 1.67] 0.997    
Lifetime number of injection-related complications (0–10)        
≤ 5 complications 175 (84) 0      
> 5 complications 34 (16) 2.29 [1.08; 4.88] 0.031 2.28 [1.05; 4.93] 0.037
Lifetime history of overdose        
No 168 (80) 0      
Yes 41 (20) 1.26 [0.65; 2.47] 0.493    
Self-reported HCV status        
No 129 (66) 0      
Yes 66 (34) 0.87 [0.50; 1.53] 0.647    
  1. Univariate and multivariate ordinal logistic regression models
  2. CI confidence interval, IQR interquartile range, AOR adjusted odds ratio