Table 2 Results of multivariable models of risk factors for methicillin-resistant Staphylococcus aureus carriage on admission

Female sex

2.3

1.0

0.9-1.1

.894

Age (per 1-year increment)

1.02

1.00-1.03

.009

44.8

1.01

0.99-1.03

.421

1.02

1.00-1.03

.009

Diabetes

7.8

1.0

0.8-1.4

.796

Chronic skin disease

3.0

1.5-5.8

.002

49.3

1.7

0.5-5.3

.369

2.9

1.5-5.6

.002

Hospitalisation (<1 year)

2.2

1.5-3.3

<.001

2.3

1.5-3.4

<.001

100

2.2

1.5-3.4

<.001

2.2

1.5-3.3

<.001

Nursing home resident

3.4

1.6–6.8

.001

4.2

2.1-8.3

<.001

82.4

3.1

0.9-10.3

.070

3.4

1.7-6.9

.001

Skin wound/sore

2.7

1.7-4.4

<.001

3.0

1.8-4.8

<.001

100

2.9

1.7-4.7

<.001

2.8

1.7-4.6

<.001

Antibiotics (<6 months)

2.6

1.0

0.9-1.2

.890

Urinary catheter

4.5

2.0-10.3

.018

4.3

1.9-9.6

<.001

72.4

2.9

0.7-12.8

.152

Tracheostomy

3.1

1.1

0.6-2.0

.867

Cross-validation, mean (SD)^a

Athens

0.598

0.610

0.606

0.640

Barcelona

0.762

0.797

0.798

0.797

Cremona

0.585

0.641

0.601

0.670

Paris

0.585

0.579

0.627

0.686