Table 3 Risk of COPD by occupation group in males and females in the ODSS (1983–2020) with indirect adjustment for cigarette smoking.
From: Risk of chronic obstructive pulmonary disease in a large cohort of Ontario, Canada workers
Occupation group (division level) | Males | Females | ||||
|---|---|---|---|---|---|---|
Cases | Model 1 HR (95% CI)* | Model 2 HR (95% CI)† | Cases | Model 1 HR (95% CI)* | Model 2 HR (95% CI)† | |
Managers and administration | 245 | 0.72 (0.64–0.82) | 0.75 (0.66–0.85) | 258 | 0.68 (0.60–0.76) | 0.69 (0.61–0.78) |
Natural sciences, engineering, mathematics | 364 | 0.74 (0.67–0.82) | 0.76 (0.68–0.84) | 98 | 0.85 (0.69–1.03) | 0.84 (0.69–1.03) |
Social sciences and related | 115 | 0.80 (0.67–0.96) | 0.85 (0.71–1.02) | 432 | 0.94 (0.86–1.04) | 0.99 (0.90–1.09) |
Teaching and related | 103 | 0.41 (0.34–0.50) | 0.43 (0.35–0.52) | 330 | 0.35 (0.32–0.39) | 0.37 (0.33–0.41) |
Medicine and health | 276 | 0.76 (0.68–0.86) | 0.80 (0.71–0.90) | 2028 | 0.77 (0.74–0.81) | 0.81 (0.77–0.85) |
Artistic, literacy, recreational | 137 | 0.88 (0.75–1.05) | 0.93 (0.78–1.10) | 90 | 0.91 (0.74–1.12) | 0.93 (0.76–1.15) |
Clerical and related | 2125 | 1.02 (0.97–1.06) | 1.02 (0.97–1.06) | 2162 | 1.04 (0.99–1.09) | 1.02 (0.98–1.07) |
Sales | 1134 | 0.97 (0.91–1.03) | 0.97 (0.92–1.03) | 1422 | 1.07 (1.01–1.13) | 1.03 (0.97–1.09) |
Services | 3413 | 0.98 (0.95–1.02) | 1.05 (1.01–1.09) | 3906 | 1.32 (1.27–1.37) | 1.42 (1.36–1.47) |
Farming, horticultural, animal husbandry | 799 | 1.23 (1.15–1.32) | 1.28 (1.19–1.38) | 197 | 1.19 (1.04–1.37) | 1.23 (1.07–1.41) |
Fishing, hunting, trapping | 16 | 1.56 (0.95–2.54) | 1.58 (0.97–2.58) | < 6 | – | – |
Forestry and logging | 247 | 1.29 (1.14–1.47) | 1.31 (1.16–1.49) | < 6 | – | – |
Mining and quarrying, including oil and gas | 330 | 1.23 (1.10–1.37) | 1.13 (1.01–1.26) | < 6 | – | – |
Processing (mineral, metal, chemical) | 1735 | 1.24 (1.18–1.30) | 1.22 (1.16–1.28) | 501 | 1.39 (1.27–1.52) | 1.30 (1.19–1.42) |
Processing (food, wood, textile) | 1556 | 1.15 (1.09–1.21) | 1.14 (1.09–1.20) | 774 | 1.17 (1.09–1.26) | 1.11 (1.03–1.19) |
Machining and related | 4191 | 1.09 (1.05–1.12) | 1.07 (1.04–1.11) | 708 | 1.49 (1.39–1.61) | 1.40 (1.30–1.51) |
Product fabricating, assembling, repairing | 6058 | 0.99 (0.96–1.02) | 0.98 (0.95–1.01) | 1811 | 1.28 (1.21–1.34) | 1.20 (1.14–1.26) |
Construction trades | 4820 | 1.15 (1.12–1.19) | 1.11 (1.08–1.15) | 126 | 1.54 (1.29–1.83) | 1.48 (1.24–1.76) |
Transport equipment and operating | 4534 | 1.32 (1.28–1.37) | 1.32 (1.28–1.36) | 470 | 1.53 (1.40–1.68) | 1.47 (1.34–1.61) |
Materials handling and related | 3220 | 1.33 (1.28–1.38) | 1.32 (1.28–1.37) | 846 | 1.36 (1.26–1.45) | 1.29 (1.20–1.38) |
Other crafts and equipment operating | 572 | 1.09 (1.01–1.19) | 1.10 (1.01–1.20) | 205 | 1.48 (1.29–1.70) | 1.41 (1.23–1.62) |
