Table WRISIZE6 - 2004/05

Estimated days (full-day equivalent) off work and associated average days lost per worker due to a self-reported illness caused or made worse by current or most recent job, for small, medium and large workplaces, 2004/05 and 2003/04

2004/05
2003/04

Workplace size +	Illness ascribed to the current or most recent job
	Sample cases #	Days lost (thousands)			Average days lost per worker
		central	95% C.I.		central	95% C.I.
		central	lower	upper	central	lower	upper
Small (less than 50 employees) ~	560	10460	8769	12151	0.87	0.73	1.0
Medium (50-249 employees)	293	5478	4412	6543	1.1	0.92	1.4
Large (250+ employees)	303	6482	5236	7728	1.2	0.99	1.5
Missing/unknown	40	..	..	..	..	..	..
All persons	1196	23637	21191	26082	1.0	0.92	1.1

Notes:

Definitions and data reliability
.. Not applicable
~ Includes those who are self-employed on their own or with partners who have no employees.
# For people taking time off work.
+ Relates to the number of people at their workplace, which is not necessarily the same as the number of people working for the company.
Individuals who gave the response 'Don't know but between 50 and 499' have been coded as missing/unknown.
See section 2.9 and Appendix 3.2 in the 'Self-reported work-related illness in 2004/05' (SWI04/05) report for more details on days lost calculations.
The estimates in this table take account of revisions made to the Great Britain population estimates following the 2001 Census.