Table WRISIZE1 - 2004/05

Estimated prevalence and rates (%) of self-reported illness caused or made worse by current or most recent job, by workplace size, for people working in the last 12 months, 2004/05, 2003/04 and 2001/02

2004/05
2003/04
2001/02

Number of people in workplace +	Illness ascribed to their current/most recent job
	Sample cases	Estimated prevalence (thousands)			Rate per 100 employed in the last 12 months
		central	95% C.I.		central	95% C.I.
		central	lower	upper	central	lower	upper
Self employed on own or with partners but no employees	174	94	80	108	3.4	2.9	3.9

1-24 employees	497	259	235	282	2.8	2.5	3.0
25+ employees	1219	634	598	670	3.8	3.6	4.0
Missing	12	..	..	..	..	..	..

1-49 employees	742	386	358	415	3.0	2.8	3.2
50+ employees	974	507	474	539	3.8	3.6	4.1
Missing	12	..	..	..	..	..	..
All persons	1902	993	947	1039	3.4	3.3	3.6

Notes:

Definitions and data reliability
.. Not applicable
+ Relates to the number of people at their workplace, which is not necessarily the same as the number of people working for the company.
See section 2.7 and Appendix 3.2 in the 'Self-reported work-related illness in 2004/05' (SWI04/05) report for more details on prevalence estimates and rates.
The estimates in this table take account of revisions made to the Great Britain population estimates following the 2001 Census.