Table 3.

Modifying effects of specific independent exposures on the association between self-reported physical demand and sick leave due to LBP

	Interaction OR* (95% CI)	P value
Fear-avoidance beliefs
FABQ-W>20†	1.27 (0.39 to 4.32)	0.70
Physically demanding workloads
Standing/walking >5.44 hours/day	0.74 (0.29 to 1.86)	0.52
Standing/walking >6 hours/day	1.21 (0.37 to 4.02)	0.76
Lifting >650 kg/day	0.63 (0.24 to 1.59)	0.32
Lifting >1000 kg/day	0.99 (0.37 to 2.64)	0.97
Number of heavy lifts >7.7 times/day	0.75 (0.29 to 1.90)	0.4
Number of heavy lifts >15 times/day	1.09 (0.28 to 4.39)	0.90

*Adjusted for sex and age.

†Fear avoidance beliefs questionnaire in relation to work.