HRs and 95% CIs for dermatitis by selected industry groups
| Industry (major, minor)* | Cases (workers) | HR (95% CI)† |
| (01) Experimental and institutional farms | 224 (7959) | 0.78 (0.69 to 0.89) |
| (011) Livestock and livestock combination farms | 34 (1318) | 0.72 (0.51 to 1.00) |
| (013) Field crop and field crop combination farms | 16 (714) | 0.67 (0.41 to 1.08) |
| (04) Forestry | 28 (1302) | 0.64 (0.44 to 0.92) |
| (031) Logging | 26 (1172) | 0.66 (0.45 to 0.96) |
| (09) Metal mines | 37 (1357) | 0.81 (0.59 to 1.12) |
| (10) Non-metal mines | 6 (143) | 1.28 (0.58 to 2.85) |
| (13) Services incidental to mining | 16 (729) | 0.67 (0.41 to 1.09) |
| (14) Food and beverage industries | 612 (14 586) | 1.12 (1.03 to 1.21) |
| (103) Fruit and vegetable processing | 63 (1278) | 1.31 (1.02 to 1.67) |
| (107) Bakery products | 124 (2343) | 1.35 (1.14 to 1.62) |
| (109) Beverage | 72 (1790) | 1.14 (0.90 to 1.44) |
| (16) Rubber and plastics products industries | 334 (7755) | 1.15 (1.03 to 1.28) |
| (165) Plastics fabricating | 290 (6510) | 1.18 (1.05 to 1.32) |
| (22) Furniture and fixture industries | 202 (4719) | 1.21 (1.06 to 1.39) |
| (264) Office furniture manufacturers | 70 (1490) | 1.34 (1.06 to 1.69) |
| (26) Metal fabricating industries | 851 (22 430) | 1.10 (1.03 to 1.18) |
| (302) Fabricated structural metal | 58 (1563) | 1.13 (0.87 to 1.46) |
| (305) Wire and wire products manufacturers | 63 (1479) | 1.17 (0.92 to 1.50) |
| (306) Hardware, tool and cutlery manufacturers | 163 (3830) | 1.22 (1.05 to 1.43) |
| (308) Machine shops | 125 (3343) | 1.12 (0.94 to 1.34) |
| (28) Transportation equipment industries | 776 (19 138) | 1.11 (1.03 to 1.19) |
| (321) Aircraft and aircraft parts manufacturers | 39 (855) | 1.32 (0.96 to 1.81) |
| (325) Motor vehicle parts and accessories manufacturers | 492 (11 417) | 1.14 (1.05 to 1.25) |
| (326) Railroad rolling stock industry | 10 (262) | 1.13 (0.61 to 2.11) |
| (31) Petroleum and coal products industries | 8 (189) | 1.24 (0.62 to 2.49) |
| (34) General contractors | 470 (17 440) | 0.80 (0.73 to 0.88) |
| (404) Building construction | 247 (9621) | 0.76 (0.67 to 0.86) |
| (406) Highway, bridge and street construction | 104 (3562) | 0.89 (0.73 to 1.08) |
| (50) Personal services | 92 (2838) | 0.78 (0.64 to 0.96) |
| (872) Barber and beauty shops | 7 (72) | 2.18 (1.04 to 4.55) |
| (873) Private households | 46 (1204) | 0.86 (0.65 to 1.15) |
| (874) Laundries, cleaners and pressers (except self-service) | 32 (1281) | 0.63 (0.45 to 0.89) |
Statistically significant (α=0.05) increased risks are bolded and statistically significant decreased risks are italicised.
*(Canadian Standard Industry Classification-80) Industry Major Group; (Canadian Standard Industry Classification-80) Industry Minor Group.
†The risk of contact dermatitis in a particular group relative to all other workers in the cohort, adjusted for birth year and sex.