Table 2 “Health problems”: findings in one or more of these topics. Percentages have been calculated within the group.

Topic	Criteria	n (%)
Severe physical impairment at work (0–10)	⩾5	270 (64)
Severe pain	At least “moderate” pain that “affects working ability” at minimum three times a week	81 (18)
Self‐rated future working ability:	Uncertain of own ability (“Uncertain”), or quite sure (“Not able”) not being able	244 (58)
Potential depression (0–30)	DEPS score ⩾11	68 (16)
Severe insomnia	Problems in falling asleep or night awakenings AND daytime tiredness daily or almost daily	60 (14)
Work‐related fatigue	“Very much” feeling of being squeezed empty because of work	35 (8)
Work‐related stress	“Very much” feeling tense, strained, nervous and/or anxious because things are on one's mind all the time	30 (7)

Sum of percentages exceeds 100% because many subjects had more than one abnormal finding.