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Table 3 Bivariate Analysis of Factors Associated with Nursing Home MRSA Point Prevalence and MRSA Transmission Risk

From: Nursing home characteristics associated with methicillin-resistant Staphylococcus aureus (MRSA) Burden and Transmission

Variable

Absolute %Change MRSA Point Prevalence per 10% change in variable

p-value

Absolute %Change MRSA Transmission per 10% change in variable

p-value

Nursing Home Characteristic

Annual Admissions (per100 admissions)

1.02

0.09

0.6

0.24

Annual Resident Turnover

−5.9

<0.001

−2.7

0.06

Average Direct Care Nursing Staff Hours (per resident day)

1.8

0.92

−0.2

0.99

High MRSA Admission Prevalencea

14.3

<0.001

5.6

0.18

Demographics (as% of all facility residents)

Age under 65

−1.4

0.14

0.7

0.48

Age over 85

0.4

0.76

−1.9

0.09

Male Gender

−1.4

0.52

2.9

0.16

Hispanic Ethnicity

2.9

0.21

3.1

0.05

Non-White Race

1.5

0.33

1.6

0.11

Education less than High School

2.6

0.1

2.3

0.03

Admitted from Acute Hospital

2.4

0.006

0.4

0.71

Comorbidities (as% of all facility residents)

Diabetes

6.9

<0.001

3.6

0.01

Skin Lesions

2.2

0.05

−1.0

0.41

Fecal Incontinence

3.5

0.001

2.2

0.03

Indwelling Devices

2.0

0.09

1.9

0.14

History of MRSA

3.2

0.10

2.8

0.38

Functional Status

High Resource Utilization Groupa

4.5

0.25

1.2

0.76

% Residents with High Social Engagement Score

−2.1

0.19

−2.0

0.06

  1. aMRSA admission prevalence and Resource utilization group (RUGS) score were dichotomized into high and low groups around median values.