Table 5

Average annual incidence rates of occupational asthma per million employed people by geographical region, 1992–7 and 1989–91

Rates1992–71989–91
Estimated cases (n) Incidence rates (95% CI) Reported
cases (n)
Incidence rates (95% CI)
High:
 West Midlands91265 (52 to 77)30141 (37 to 46)
 Yorkshire and Humberside75358 (42 to 72)9414 (12 to 18)
 Northern Ireland20256 (30 to 86)2715 (10 to 22)
 East Midlands59553 (37 to 69)8415 (11 to 18)
 North40153 (37 to 69)12432 (27 to 38)
Moderate:
 Scotland56642 (30 to 53)18327 (24 to 32)
 North west64840 (29 to 51)18422 (19 to 25)
 Wales26337 (23 to 53)7220 (15 to 25)
Low:
 East Anglia18130 (18 to 46)5117 (13 to 22)
 South west32425 (17 to 33)11417 (14 to 21)
 South east104121 (17 to 25)29712 (10 to 13)
All United Kingdom585938 (34 to 41)152819 (18 to 20)