Table 2.

Demographics and absenteeism of participants and non-participants

	Participants (n = 3,628)	Non-participants (n = 3,670)	T Test p	χ2p
Gender (%women)	8.6	14.1	0.000
Age, mean (SD) in years	44.2 (7.7)	40.7 (9.3)	0.000
Salary (%)				0.000
Low	40.6	53.2
Medium	42.9	33.3
High	16.5	13.5
Absenteeism
Length mean (SD) days	14.9 (39.9)	22.9 (59.3)	0.000
Frequency	1.20 (1.31)	1.31 (1.46)	0.000