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Table 4 Group #3: Older IDUs with chronic wounds compared to younger IDUs with wounds

From: Self-care and risk reduction habits in older injection drug users with chronic wounds: a cross-sectional study

  A. univariate (N = 30) B. multivariatea(N = 21)
OR 95% CI p OR 95% CI p
Race       
 Caucasian Ref    Ref   
 African American 13.0 1.9 – 88.0 0.009* 4.3 0.06 – 290.1 0.502
 Native American 1.0 0.07 – 14.6 1.000 0.1 0.001 – 12.7 0.387
 Other b      
Exchange site (N = 29)       
 Site A Ref    Ref   
 Site B 16.2 1.6 – 167.7 0.020* 2.0 0.03 – 146.2 0.751
 Site C 7.2 0.6 – 83.3 0.114 b   
Injecting into leg       
 No Ref    Ref   
 Yes 7.9 1.3 – 47.0 0.024* 31.3 1.1 – 873.6 0.043*
Cleaning injection site before injection (N = 26) c       
 Do not clean Ref    Ref   
 Alcohol 6.5 1.1 – 38.6 0.040* 13.5 0.5 – 390.6 0.130
  1. Abbreviations: OR odds ratio, CI confidence interval.
  2. aVariables with at least one category with p ≤ 0.050 at the univariate level were included in the multivariate model.
  3. bInsufficient observations for logistic regression
  4. cOther categories within this variable were dropped in univariate and multivariate analysis due to insufficient observations. Dropped variables included water, soap/water, multiple or other.
  5. *p ≤ 0.05.