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Table 6 Univariable regression analyses of variables associated with MRSA or C. difficile contamination in the ward environment

From: The identification and epidemiology of meticillin-resistant Staphylococcus aureus and Clostridium difficile in patient rooms and the ward environment

Variable Description OR P-value Overall P-value for the variable
Dependent variable: surface contaminated with MRSA     
Visit 1 Referent   0.390
  2 0.42 0.628  
  3 0.35 0.617  
  4 0.31 0.361  
  5 0.26a 0.242  
  6 0.37a 0.267  
Ward Medicine A Referent   0.185
  Medicine B 0.26 0.368  
  Surgery 0.18 0.165  
Surface material Plastic Referent   0.099
  Fabric 1.33 0.999  
  Laminate 7.53 0.078  
  Rubber 2.51a 0.999  
  Wood 1.85a 0.999  
Location Hallway Referent   0.492
  Visiting Room 0.97 0.999  
  Work area 0.27 0.372  
Surface sampled Computer keyboard Referent   0.176
  Chair 2.03 0.999  
  Clean towels 1.77 0.999  
  Counter top 7.96 0.114  
  Drug cart 3.24a 0.999  
  Heating oven handles 3.24a 0.999  
  Otherb 1.19 0.999  
Dependent variable: surface contaminated with C. difficile     
Visit 1 Referent   0.439
  2 0.31 0.380  
  3 0.52 0.677  
  4 1.25 0.999  
  5 0.25 0.361  
  6 0.35 0.404  
Ward Medicine A Referent   0.609
  Medicine B 0.52 0.496  
  Surgery 0.59 0.531  
Surface material Plastic Referent   0.936
  Fabric 0.94 0.999  
  Laminate 0.69a 0.593  
  Rubber 0.86 0.999  
  Wood 0.63 0.999  
Location Hallway Referent   0.999
  Visiting Room 1.32 0.999  
  Work area 1.11 0.999  
Surface sampled Computer keyboard Referent   0.434
  Chair 1.36 0.999  
  Clean towels 0.58 0.999  
  Counter top 0.93a 0.593  
  Drug cart 1.08 0.999  
  Heating oven handles 3.63 0.139  
  Otherb 0.79 0.999  
  1. a Median unbiased estimates.
  2. b Clean linen, glove box holder, hand rail, patient charts.