Table MSDSIZE5 - 2004/05

Estimated days (full-day equivalent) off work and associated average days lost per worker due to self-reported musculoskeletal disorders caused or made worse by current or most recent job, by workplace size, 2004/05, 2003/04 and 2001/02

2004/05
2003/04
2001/02

Number of people in workplace +	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
Self employed on own or with partners but no employees	58	1224	557	1890	0.51	0.23	0.79

1-24	117	1958	1211	2706	0.28	0.17	0.39
25+	320	6439	5103	7775	0.47	0.38	0.57
Missing	2	..	..	..	..	..	..

1-49	180	3112	2157	4068	0.32	0.22	0.42
50+	257	5285	4089	6481	0.49	0.38	0.60
Missing	2	..	..	..	..	..	..
All persons	497	9626	7943	11309	0.42	0.34	0.49

Notes:

Definitions and data reliability
.. Not applicable
# 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.
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.