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. 2011 Mar;15(3):313–319. doi: 10.1016/j.ejpain.2010.07.008

Table 3.

Adjusted population attributable fractions (PAFs) for the association between baseline risk factors and outcome at 12-months (n = 389).

Risk factor Unadjusted Adjusted
PAF (%) PAF (%) (95% CI)
Gender (F)
Age group (older)
Less education 34.7 11.6 (−28.1, 43.1)
Not being in employment 75.1 63.8 (32.6, 81.9)
Dissatisfaction with work status 54.9 32.2 (−5.8, 59.5)
Work absence 53.5 38.0 (11.8, 59.3)
Previous history
Long duration 37.1 25.4 (−3.3, 49.8)
High functional disability 62.6 47.6 (13.5, 70.2)
High pain intensity 81.0 68.1 (27.1, 87.0)
Leg pain 57.0 21.5 (−47.9, 61.2)
Distal leg pain 24.5 − 0.4 (−33.0, 29.4)
Upper body pain 67.2 49.2 (−17.2, 79.5)
Bothersomeness 72.6 45.8 (−16.5, 76.3)
Anxiety 55.4 32.5 (−2.2, 58.4)
Depression 42.3 19.5 (−8.8, 44.5)
Fear-avoidance 20.8 3.0 (−17.2, 25.2)
Catastrophising 52.0 20.6 (−15.5, 48.8)
Poor self-rated health 64.3 46.5 (12.4, 69.5)
Low vitality 34.0 2.7 (−27.6, 30.8)