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Table 3 Injection sites

From: Predictors of skin and soft tissue infections among sample of rural residents who inject drugs

Variable History of skin and soft tissue infection p value Odds ratio
Yes (n = 18) No (n = 62)
n (%) n (%)
Find vein on first injection attempt Always 3 (16.7) 23 (37.1) 0.037** Ref
  Most of the time 8 (44.4) 25 (40.3)   1.66 each decrease in freq
  Sometimes 1 (5.6) 7 (11.3)   
  Rarely 4 (22.2) 4 (6.5)   
  Never 2 (11.1) 2 (3.2)   
Anatomical injection location Cubital fossa 8 (44.4) 26 (41.9) 0.831 (overall) Ref
  Forearm 4 (22.2) 22 (35.5)   0.59
  Hand 2 (11.1) 5 (8.1)   1.3
  Upper arm 2 (11.1) 4 (6.5)   1.3
  Other 2 (11.1) 5 (8.1)   1.62
Injection type (multiple selection) Vein 16 (88.9) 59 (93.8) 0.333 0.41
  Skin 3 (16.7) 2 (3.2) 0.038** 6
  Muscle 4 (22.2) 1 (1.6) 0.001** 17.4
  I don’t know 1 (5.6) 0 (0.0) 0.062*  
  Prefer not to answer 0 (0.0) 1 (1.6) 0.588  
Injection frequency  > 3 × daily 5 (27.8) 11 (17.7) 0.892  
  2–3 × daily 3 (16.7) 15 (24.2)   
  Daily 1 (5.6) 8 (12.9)   
   > Weekly 3 (16.7) 11 (17.7)   
  Weekly 1 (5.6) 7 (11.3)   
   > Once in past 30 days 2 (11.1) 5 (8.1)   
  Once in past 30 days 2 (11.1) 4 (6.5)   
  1. *Significant on the 0.10 level
  2. **Significant on the 0.05 level