Table 5 Percentage of workers with work-related respiratory disease (meeting the case definition) by grouped work location together with odds ratio (OR) of disease across work locations (phase III)*
Work locationTotal population (n)Met case definition for EAA, OA and/or HFMet case definition for EAA(8 also had OA)Met case definition for OA
n (%)OR (95% CI) vs“works all over”n (%)OR (95% CI) vs“works all over”n (%)OR (95% CI) vs“works all over”
(1) Machining using large MWF sump6618 (27.3%)4.39 (2.00 to 9.60)p<0.0015 (7.6%)2.62 (0.73 to 9.38)p = 0.13812 (18.2%)4.36 (1.69 to 11.24)p = 0.002
(2) Machining using single/local MWF sumps15019 (12.7%)1.70 (0.81 to 3.57)p = 0.1642 (1.3%)0.43 (0.08 to 2.26)p = 0.32116 (10.7%)2.34 (0.97 to 5.65)p = 0.058
(3) Assembly and other manufacturing32036 (11.3%)1.48 (0.76 to 2.88) p = 0.2467 (2.2%)0.72 (0.22 to 2.29) p = 0.57329 (9.1%)1.96 (0.87 to 4.38)p = 0.103
(4) Works all over plant16513 (7.9%)15 (3.0%)18 (4.8%)1
(5) Outside/office building1351 (0.7%)0 (0%)1 (0.7%)
Total83687 (10.4%)19 (2.3%)66 (7.9%)
  • * Denominators are total population in each work location.