Table 2. Relevant details of occupational history in the painter group and control group.

	PG	CG
Years worked (mean +/- SD)	21 ± 7.2	20.7 ± 8.9
Years worked (minimum / maximum)	10 / 41	3 / 41
Hours of work / week (mean +/- SD)	41 ± 3.9	37.3 ± 6.7
Manual activities (plastering, painting with brush or roller, wallpapering)	75.3%	-
Proportion of time working with hands above hip level	63.6%	-
Lifting of heavy weights (5–25 kg) in seconds / hour of work	41	-

The parameters quantifying the stress during working time are taken from a representative study carried out by the occupational medicine and safety service of the Employer's Liability Insurance Association for the Building Industry (Berufsgenossenschaft der Bauwirtschaft).

PG, Painter group; CG, Control group; SD, Standard Deviation