Table BACKOCC1

Estimated 2004/05 prevalence of self-reported musculoskeletal disorders mainly affecting the back caused or made worse by work, by occupational major group, for people ever employed

Occupation description +	Major Group	Illness ascribed to any job
		Sample cases	Estimated prevalence (thousands)
			central	95% C.I.
			central	lower	upper
Managers and senior officials	1	75	38	29	46
Professional occupations	2	48	24	17	31
Associate professional and technical occupations	3	129	68	56	80
Administrative and secretarial occupations	4	43	22	15	28
Skilled trades occupations	5	161	84	71	97
Personal service occupations	6	106	53	43	64
Sales and customer service occupations	7	35	19	12	25
Process, plant and machine operatives	8	131	65	54	77
Elementary occupations	9	147	75	63	88
Missing/unknown		7	..	..	..
All occupations		882	452	422	483

Notes:

Definitions and data reliability
.. Not applicable
+ See Appendix 4 in the 'Self-reported work-related illness in 2004/05' (SWI04/05) report for details of Standard Occupational Classification
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.
The estimates in this table take account of revisions made to the Great Britain population estimates following the 2001 Census.