Table 2. Sick leave due to depression by scores of stress response of BJSQ.

	Score for stress response of BJSQ
	Q1	Q2	Q3	Q4
Total stress response of BJSQ
No. of participants	446	475	422	467
No. of sick leave related to depression	0	2	5	7
Person -years	820.7	864	759.6	822.2
Sick leave rate per 1,000 person-years	0	2.3	6.6	8.5
Total psychological stress response of BJSQ
No. of participants	468	403	500	439
No. of sick leave related to depression	0	0	7	7
Person -years	856.3	737.8	903.2	769.2
Sick leave rate per 1,000 person-years	0	0	7.7	9.1
Total physical stress response of BJSQ
No. of participants	502	387	475	446
No. of sick leave related to depression	1	1	6	6
Person -years	922.8	698.2	865.5	780
Sick leave rate per 1,000 person-years	1.1	1.4	6.9	7.7

BJSQ: Brief Job Stress Questionnaire.