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Volume 10, Number 6—June 2004

Research

Nursing Home Residents and Enterobacteriaceae Resistant to Third-Generation Cephalosporins

Carolyn Sandoval*, Stephen D. Walter*, Allison J. McGeer†, Andrew E. Simor†, Suzanne F. Bradley‡, Lorraine M. Moss*, and Mark B. Loeb*Comments to Author 
Author affiliations: *McMaster University, Hamilton, Ontario, Canada; †Mount Sinai Hospital, Toronto, Ontario, Canada; ‡Sunnybrook and Women’s College Health Science Centre, Toronto, Ontario, Canada; ‡Veterans’ Affairs Health Systems, and University of Michigan Medical School, Ann Arbor, Michigan, USA

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Table 4

Univariate logistic regression analyses of nursing home-level variables with clinical isolate of Enterobacteriaceae resistant to third-generation cephalosporins as the dependent variablea

Variables OR (95% CI) p value
>200 beds (no.)
0.85 (0.35 to 2.05)
0.718
Nursing units per 100 beds (log no.)
4.09 (0.25 to 66.45)
0.322
RN FTE h (log no.)
1.21 (0.18 to 8.31)
0.846
NA FTE h (log no.)
1.91 (0.44 to 8.43)
0.391
Healthcare aide FTE h (log no.)
0.99 (0.95 to 1.02)
0.356
ICP FTE h (log no.)
0.91 (0.19 to 4.43)
0.910
Primary care physician FTE h (log no.)
0.28 (0.08 to 0.91)
0.034
Infectious disease specialist on staff
0.40 (0.16 to 1.03)
0.057
Tubs/showers per 100 beds/facility (log no.)
2.25 (0.48 to 10.48)
0.303
Sinks per 100 beds (no.)
1.00 (0.99 to 1.01)
0.965
New admissions from to acute care prior y/100 beds (no.)
1.00 (0.99 to 1.01)
0.205
Residents readmitted acute care hospitals prior y/100 beds (no.)
1.01 (0.99 to 1.03)
0.481
Residents with urinary catheter (%)
1.01 (0.90 to 1.13)
0.923
Residents with intravenous catheter (%)
1.64 (0.68 to 3.9)
0.272
Residents with gastrostomy tube (log %)
5.02 (1.72 to 14.70)
0.003
>50% Residents unable to ambulate (no.) 1.34 (0.54 to 3.31) 0.533

aOR, odds ratio; CI, confidence interval; FTE, full-time equivalent; RN, registered nurse; NA, nursing aide; ICP, infection control practitioner; ID, infectious disease.

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