Table 2 Factors associated with frequent pain. Results of the multinomial logistic regression analysis. Reference group: no frequent pain

1.09 (0.67 to 1.75)

0.73

1.44 (0.84 to 2.47)

0.18

0.90 (0.70 to 1.15)

0.39

0.98 (0.74 to 1.30)

0.89

1.49 (1.11 to 1.98)

0.007

1.96 (1.44 to 2.65)

< 0.001

0.98 (0.76 to 1.26)

0.85

0.84 (0.61 to 1.14)

0.26

1.18 (0.94 to 1.48)

0.16

1.24 (0.95 to 1.63)

0.12

1.04 (0.35 to 3.04)

0.95

0.94 (0.26 to 3.41)

0.93

1.52 (1.28 to 1.82)

< 0.001

1.93 (1.59 to 2.35)

< 0.001

0.92 (0.56 to 1.52)

0.74

1.15 (0.64 to 2.07)

0.64

1.04 (0.80 to 1.34)

0.78

1.12 (0.82 to 1.51)

0.48

1.34 (1.00 to 1.79)

0.047

2.12 (1.56 to 2.87)

< 0.001

0.85 (0.65 to 1.12)

0.25

1.27 (0.92 to 1.74)

0.14

1.16 (0.90 to 1.48)

0.24

1.04 (0.77 to 1.41)

0.80

1.19 (0.60 to 2.38)

0.62

0.49 (0.18 to 1.37)

0.17

1.49 (1.22 to 1.82)

< 0.001

1.84 (1.47 to 2.30)

< 0.001