. Author manuscript; available in PMC: 2009 Jul 27.

Published in final edited form as: Occup Environ Med. 2008 Jul 8;65(12):820–826. doi: 10.1136/oem.2007.038398

TABLE 5.

The association between sickness absence and mortality for employees with one or more chronic conditions, the GAZEL study.

	Total number of sickness-absence days			Number of sickness-absence episodes >14 days
Sub-population	No. of days per person- year	No. of participants (No. of deaths)	Age-, sex-, and grade- adjusted hazard ratio (95% CI)	No. of episodes per 10 person- years	No. of participants (No. of deaths)	Age-, sex-, and grade- adjusted hazard ratio (95% CI)
Employees with one chronic condition
	0	1557 (79)	1.00	0	3225 (140)	1.00
	>0–28	2646 (108)	0.89 (0.66–1.19)	1–5	902 (50)	1.39 (1.01–1.93)
	>28	641 (59)	2.23 (1.56–3.18)	>5	717 (56)	2.07 (1.50–2.84)
Employees with two or more chronic conditions (co-morbidity)
	0	2767 (22)	1.00	0	695 (50)	1.00
	>0–28	730 (53)	0.97 (0.59–1.61)	1–5	292 (27)	1.36 (0.85–2.18)
	>28	350 (54)	2.13 (1.28–3.55)	>5	369 (52)	2.06 (1.39–3.07)