Skip to main content

Table 7 Multivariable logistic regression model of variables associated with MRSA contamination

From: A prospective study to examine the epidemiology of methicillin-resistant Staphylococcus aureus and Clostridium difficile contamination in the general environment of three community hospitals in southern Ontario, Canada

Variable Description OR 95% CI P-value
Hospital A Referent   
  B 1.36 0.69-2.65 0.373
  C 1.19 0.61-2.35 0.606
Surface location Public access Referent   
  Staff access 1.99 0.82-4.78 0.126
Type of surface Computer keyboard Referent   
  Blood pressure machine 1.58 0.23-10.78 0.638
  Chair back 3.94 1.12-13.86 0.032
  Counter top 3.95 0.76-20.40 0.101
  Drug cart 4.63 0.85-25.17 0.076
  Elevator areaa 3.03 0.52-17.54 0.216
  Elevator panel 1.72 0.25-11.74 0.580
  Hand rail 6.35 1.38-29.15 0.017
  Isolation cart 5.33 1.07-26.44 0.041
  Isolation gown 2.60 0.37-18.19 0.336
  Linen 2.02 0.35-11.56 0.430
  Nursing stationa 0.52 0.05-4.92 0.567
  Otherb 3.24 0.78-13.40 0.105
  Patient chart 0.76 0.13-4.35 0.754
  Sofa 12.92 2.97-56.25 0.001
  Supply cart 2.73 0.42-17.83 0.295
  Telephone 0.87 0.09-8.35 0.904
  1. a Air samples.
  2. b Surfaces include: antibacterial wipes container (n=10), brochure holder (n=3), bulletin board (n=11), chart holder (n=9), clip board (n=8), door knob (n=9), glove box holder (n=6), heating oven handle (n=7), lamp shade (n=3), lifter handle (n=3), sofa pillow (n=3), urine collection container (n=5), visiting room – air (n=3).