Table 2.

Results of the dermatological examination at T1 and T2 (n = 83)

		T1	T2
OHSI score [total, for both hands]	mean [SD, range]	4.99 [2.64, 0–13]	3.90 [2.46, 0–11]
diagnosis [hands] (multiple answers possible)	irritant/cumulative subtoxic contact dermatitis [%, n]	80.7 [67]	89.2 [74]
	allergic contact dermatitis [%, n]	7.2 [6]	7.2 [6]
	atopic hand eczema [%, n]	12.0 [10]	9.6 [8]
	psoriasis palmaris [%, n]	13.3 [11]	10.8 [9]
	other, not classifiable [%, n]	2.4 [2]	3.6 [3]
atopy score	mean [SD, range]	6.9 [4.36, 0–20]	n. a.
	no atopic diathesis, 0–3 points [%, n]	18.1 [15]	n. a.
	atopic diathesis unlikely, 4–7 points [%, n]	41.0 [34]	n. a.
	atopic diathesis unclear, 8–9 points [%, n]	19.3 [16]	n. a.
	atopic diathesis, 10 or more points [%, n]	21.7 [18]	n. a.

WRSD work-related skin diseases, T1 study enrollment, T2 after the one-day program, n absolute number, SD standard deviation, n. a. not applicable/the atopy score was only assessed at T1