Table 5 Odds Ratios (OR) for the associations between pain groups at baseline and hospitalisation, stratified on sex and age, and controlled for all variables in Table 2.

1

1

1

1

1.5 (1.1-2.1)

0.006

1.6 (0.9-3.0)

0.115

1.4 (0.7-2.5)

0.317

1.2 (0.7-2.2)

0.442

2.2 (1.4-3.7)

0.002

1.3 (0.5-3.2)

0.541

0.8 (0.3-2.0)

0.586

1.2 (0.5-2.8)

0.662

1

1

1

1

300

1.5 (1.1-2.0)

0.004

1.6 (0.8-3.2)

0.217

1.0 (0.6-1.8)

0.941

1.2 (0.7-2.2)

0.486

2.3 (1.6-3.2)

<0.001

2.9 (1.4-5.9)

0.004

1.2 (0.6-2.2)

0.587

2.6 (1.5-4.5)

0.001

1

1

1

1

2.1 (1.3-3.4)

0.002

2.0 (0.7-5.8)

0.211

1.4 (0.1-17.5)

0.783

0.8 (0.3-2.0)

0.637

3.1 (1.4-7.1)

0.007

2.6 (0.5-13.4)

0.249

-

-

0.8 (0.2-3.8)

0.818

1

1

1

1

1.3 (0.9-2.1)

0.180

0.6 (0.1-5.1)

0.618

0.7 (0.2-2.2)

0.531

0.7 (0.2-2.3)

0.577

1.6 (0.8-2.9)

0.158

-

-

1.0 (0.3-3.7)

0.963

1.6 (0.4-6.2)

0.494

1

1

1

1

2.0 (1.4-3.0)

0.001

2.3 (1.0-5.3)

0.056

1.8 (0.9-3.8)

0.115

3.0 (1.2-7.2)

0.015

3.1 (1.9-5.2)

<0.001

1.2 (0.4-4.3)

0.728

1.3 (0.5-3.3)

0.568

3.3 (1.2-9.0)

0.021

1

1

1

1

1.1 (0.7-1.6)

0.806

1.3 (0.6-2.5)

0.479

1.0 (0.6-1.8)

0.995

1.1 (0.6-2.0)

0.841

1.9 (1.1-3.1)

0.013

2.5 (1.2-5.0)

0.010

1.0 (0.5-2.1)

0.938

2-3 (1.2-4.5)

0.011