Table 3 Cox regression of the association between widespread pain recent week, defined as WSP 4limbs, and WSPconlimbs, respectively and gender, age, sick leave or pre-retirement, annual income, and citizenship (n = 7637).^a

Reference category

1.0^b

-

1.0^c

-

Age effect among females

   Age

< 30

0.51

0.22 – 1.16

0.65

0.33 – 1.27

30–49

2.56

1.47 – 4.44

2.83

1.76– 4.54

50–64

3.80

2.18 – 6.63

4.49

2.79 – 7.21

65-

3.99

2.23 – 7.13

3.92

2.37 – 6.50

Age effect among males

   Age

30–49

1.23

0.65 – 2.31

1.50

0.89 – 2.54

50–64

1.81

0.98 – 3.34

2.21

1.32 – 3.69

65-

2.83

1.47 – 5.44

2.84

1.63 – 4.96

Sick leave/pre-retirement

2.76

2.13 – 3.58

2.47

2.00 – 3.05

Income below median

1.79

1.41 – 2.28

1.46

1.21 – 1.76

Non-Nordic citizen

2.40

1.56 – 3.71

1.86

1.24 – 2.78