| Occupation | Overall | >0 to <10 years | ⩾10 years | ||||||
| Cases | Controls | OR (95% CI) | Cases | Controls | OR (95% CI) | Cases | Controls | OR (95% CI) | |
| Production inspectors, testers and weighers | 11 | 5 | 2.41 (0.78 to 7.48) | 3 | 3 | 1.47 (0.24 to 8.85) | 8 | 2 | 3.42 (0.71 to 16.54) |
| Supervisors - sales | 14 | 7 | 2.35 (0.91 to 6.06) | 3 | 4 | 1.29 (0.27 to 6.09) | 11 | 3 | 3.46 (0.94 to 12.68) |
| Health professionals | 7 | 4 | 2.16 (0.58 to 8.01) | 2 | 3 | 0.71 (0.10 to 5.00) | 5 | 1 | 6.24 (0.70 to 55.42) |
| Supervisors - production occupations* | 37 | 22 | 2.05 (1.16 to 3.62) | 11 | 8 | 1.57 (0.60 to 4.07) | 26 | 14 | 2.35 (1.16 to 4.73) |
| Miscellaneous mechanics and repairers* | 38 | 22 | 2.00 (1.12 to 3.55) | 2 | 11 | 1.77 (0.81 to 3.87) | 18 | 11 | 2.28 (1.00 to 5.19) |
| Cooks | 15 | 7 | 1.93 (0.75 to 4.99) | 11 | 4 | 2.52 (0.74 to 8.53) | 4 | 3 | 1.22 (0.26 to 5.67) |
| Brick, stone and tile setters | 29 | 17 | 1.82 (0.95 to 3.47) | 15 | 8 | 2.48 (0.99 to 6.26) | 14 | 9 | 1.33 (0.55 to 3.23) |
| Architects/engineers | 20 | 14 | 1.71 (0.82 to 3.59) | 6 | 8 | 0.98 (0.30 to 3.17) | 14 | 6 | 2.53 (0.92 to 6.91) |
| Painters, paperhangers and plasterers | 37 | 25 | 1.60 (0.93 to 2.78) | 20 | 10 | 2.47 (1.08 to 5.64) | 17 | 15 | 1.11 (0.53 to 2.32) |
| Art professionals | 21 | 17 | 1.58 (0.79 to 3.17) | 9 | 11 | 1.42 (0.55 to 3.67) | 12 | 6 | 1.79 (0.63 to 5.06) |
| Supervisors - service occupations | 15 | 10 | 1.51 (0.65 to 3.53) | 8 | 4 | 2.27 (0.65 to 7.95) | 7 | 6 | 1.04 (0.33 to 3.31) |
| Precision food production occupations | 35 | 26 | 1.41 (0.82 to 2.43) | 21 | 15 | 1.51 (0.74 to 3.06) | 14 | 11 | 1.28 (0.55 to 2.98) |
| Supervisors - construction | 34 | 28 | 1.38 (0.79 to 2.42) | 14 | 12 | 1.51 (0.64 to 3.55) | 20 | 16 | 1.30 (0.63 to 2.68) |
| Electrical repairers | 12 | 15 | 1.35 (0.59 to 3.11) | 4 | 11 | 0.59 (0.18 to 1.98) | 8 | 4 | 3.94 (1.04 to 14.98) |
| Hand working occupations | 23 | 16 | 1.33 (0.67 to 2.63) | 14 | 9 | 1.75 (0.70 to 4.35) | 9 | 7 | 0.92 (0.33 to 2.54) |
| Animal caretakers | 11 | 7 | 1.32 (0.49 to 3.56) | 8 | 7 | 0.96 (0.33 to 2.78) | 3 | 0 | – |
| Cleaning/building service occupations* | 38 | 27 | 1.28 (0.75 to 2.17) | 12 | 19 | 0.58 (0.27 to 1.25) | 26 | 8 | 2.92 (1.26 to 6.75) |
| Health service workers | 14 | 16 | 1.28 (0.58 to 2.83) | 7 | 11 | 0.86 (0.30 to 2.33) | 7 | 5 | 2.44 (0.69 to 8.62) |
| Barbers/hairdressers | 12 | 10 | 1.24 (0.51 to 3.01) | 3 | 4 | 0.93 (0.19 to 4.52) | 9 | 6 | 1.42 (0.48 to 4.18) |
| Supervisors – administrative | 11 | 10 | 1.24 (0.49 to 3.10) | 6 | 6 | 1.13 (0.34 to 3.83) | 5 | 4 | 1.39 (0.34 to 5.58) |
| Officials/administrators | 137 | 133 | 1.22 (0.92 to 1.60) | 49 | 42 | 1.33 0.85 to 2.08) | 88 | 91 | 1.16 (0.84 to 1.61) |
| Water transportation | 29 | 20 | 1.22 (0.67 to 2.21) | 22 | 14 | 1.32 (0.66 to 2.64) | 7 | 6 | 0.99 (0.32 to 3.06) |
| Butchers/meat cutters | 10 | 9 | 1.20 (0.46 to 3.14) | 8 | 5 | 1.80 (0.53 to 6.10) | 2 | 4 | 0.54 (0.09 to 3.06) |
| Waiters | 69 | 68 | 1.19 (0.82 to 1.73) | 39 | 38 | 1.30 (0.80 to 2.13) | 30 | 30 | 1.07 (0.62 to 1.85) |
| Plumbers, pipefitters and steamfitters | 17 | 20 | 1.15 (0.57 to 2.31) | 7 | 10 | 0.78 (0.28 to 2.19) | 10 | 10 | 1.60 (0.63 to 4.08) |
| Technical sales workers | 130 | 133 | 1.14 (0.86 to 1.51) | 60 | 52 | 1.42 (0.94 to 2.14) | 70 | 81 | 0.97 (0.68 to 1.39) |
| Taxi drivers/chauffeurs | 37 | 35 | 1.14 (0.69 to 1.90) | 14 | 18 | 0.74 (0.35 to 1.54) | 23 | 17 | 1.68 (0.83 to 3.37) |
| Precision metal workers | 33 | 32 | 1.13 (0.67 to 1.90) | 16 | 15 | 1.22 (0.58 to 2.57) | 17 | 17 | 1.05 (0.51 to 2.16) |
| Extractive occupations/mining | 116 | 04 | 1.11 (0.82 to 1.52) | 60 | 44 | 1.35 (0.88 to 2.07) | 56 | 60 | 0.93 (0.62 to 1.41) |
| Metal/plastic workers | 104 | 97 | 1.11 (0.81 to 1.53) | 46 | 37 | 1.27 (0.79 to 2.03) | 58 | 60 | 1.02 (0.68 to 1.52) |
| Military occupations | 283 | 275 | 1.10 (0.88 to 1.37) | 279 | 272 | 1.10 (0.88 to 1.37) | 4 | 3 | 1.02 (0.22 to 4.73) |
| Assemblers | 42 | 41 | 1.09 (0.68 to 1.75) | 27 | 23 | 1.37 (0.75 to 2.52) | 15 | 18 | 0.78 (0.37 to 1.61) |
| Miscellaneous food and beverage workers | 9 | 8 | 1.06 (0.39 to 2.92) | 4 | 5 | 0.85 (0.21 to 3.45) | 5 | 3 | 1.36 (0.31 to 3.08) |
| Welders | 42 | 53 | 1.05 (0.67 to 1.64) | 16 | 26 | 0.77 (0.40 to 1.52) | 26 | 27 | 1.32 (0.74 to 2.36) |
| Rail transportation | 11 | 8 | 1.04 (0.40 to 2.69) | 4 | 4 | 0.62 (0.15 to 2.55) | 7 | 4 | 1.56 (0.43 to 5.70) |
| Protective service occupation | 36 | 36 | 1.03 (0.62 to 1.70) | 17 | 17 | 1.08 (0.52 to 2.21) | 19 | 19 | 0.98 (0.49 to 1.95) |
| Mechanics and repairers | 92 | 111 | 1.01 (0.74 to 1.38) | 43 | 57 | 0.91 (0.58 to 1.41) | 49 | 54 | 1.11 (0.73 to 1.71) |
| Machine operators and tenders | 175 | 178 | 1.00 (0.78 to 1.29) | 91 | 94 | 0.95 (0.69 to 1.32) | 84 | 84 | 1.07 (0.76 to 1.50) |
| Manual occupations | 211 | 202 | 0.98 (0.78 to 1.23) | 148 | 136 | 1.03 (0.78 to 1.34) | 63 | 66 | 0.88 (0.60 to 1.29) |
| Farm workers | 75 | 80 | 0.97 (0.68 to 1.39) | 40 | 43 | 0.94 (0.59 to 1.51) | 35 | 37 | 1.01 (0.61 to 1.68) |
| Carpenters | 59 | 63 | 0.96 (0.65 to 1.41) | 29 | 40 | 0.80 (0.48 to 1.35) | 30 | 23 | 1.19 (0.67 to 2.14) |
| Other construction trades | 25 | 25 | 0.96 (0.52 to 1.77) | 16 | 16 | 1.02 (0.47 to 2.21) | 9 | 9 | 0.87 (0.33 to 2.31) |
| Truck drivers | 89 | 110 | 0.91 (0.67 to 1.25) | 33 | 41 | 0.83 (0.50 to 1.36) | 56 | 69 | 0.97 (0.66 to 1.43) |
| Supervisors - transportation | 19 | 21 | 0.91 (0.46 to 1.78) | 10 | 10 | 1.14 (0.43 to 3.03) | 9 | 11 | 0.74 (0.30 to 1.86) |
| Technicians | 16 | 21 | 0.88 (0.43 to 1.79) | 7 | 13 | 0.77 (0.29 to 2.08) | 9 | 8 | 1.02 (0.37 to 2.85) |
| Construction labourers | 159 | 148 | 0.87 (0.67 to 1.13) | 126 | 117 | 0.91 (0.68 to 1.22) | 33 | 31 | 0.73 (0.43 to 1.25) |
| Precision woodworkers | 20 | 24 | 0.86 (0.45 to 1.64) | 10 | 13 | 0.81 (0.33 to 1.97) | 10 | 11 | 0.92 (0.36 to 2.33) |
| Other precision workers | 32 | 37 | 0.83 (0.50 to 1.38) | 16 | 15 | 1.06 (0.50 to 2.25) | 16 | 22 | 0.68 (0.34 to 1.35) |
| Administrative support occupations | 75 | 94 | 0.80 (0.57 to 1.12) | 46 | 55 | 0.89 (0.58 to 1.36) | 29 | 39 | 0.69 (0.42 to 1.16) |
| Farmers* | 244 | 298 | 0.78 (0.63 to 0.97) | 96 | 88 | 0.93 (0.67 to 1.29) | 148 | 210 | 0.71 (0.55 to 0.91) |
| Bus drivers | 11 | 16 | 0.75 (0.32 to 1.73) | 8 | 7 | 1.42 (0.47 to 4.34) | 3 | 9 | 0.31 (0.08 to 1.24) |
| Kitchen workers* | 21 | 27 | 0.73 (0.39 to 1.36) | 18 | 16 | 1.12 (0.54 to 2.34) | 3 | 11 | 0.23 (0.06 to 0.88) |
| Electricians | 35 | 55 | 0.69 (0.44 to 1.09) | 17 | 18 | 0.95 (0.47 to 1.93) | 18 | 37 | 0.55 (0.30 to 1.01) |
| Material movers/equipment operators | 11 | 15 | 0.63 (0.27 to 1.47) | 5 | 7 | 0.77 (0.22 to 2.73) | 6 | 8 | 0.55 (0.18 to 1.66) |
| Teachers | 10 | 22 | 0.62 (0.28 to 1.38) | 5 | 13 | 0.45 (0.15 to 1.35) | 5 | 9 | 0.92 (0.29 to 2.94) |
| Fishers | 24 | 29 | 0.60 (0.37 to 1.17) | 10 | 11 | 0.72 (0.29 to 1.77) | 14 | 18 | 0.62 (0.29 to 1.30) |
| Forestry workers | 13 | 23 | 0.58 (0.28 to 1.20) | 12 | 18 | 0.64 (0.30 to 1.39) | 1 | 5 | 0.29 (0.03 to 2.74) |
†Adjusted for age, hospital region, smoking duration (missing, never, 0 to <10 years, 10 to <20 years, 20 to <30 years, 30 to <40 years, and ⩾40 years) and ever being employed in a high-risk occupation for bladder cancer. For each SOC category, the reference group does not include subjects who ever held a job in that SOC category.
*p value for trend <0.05; all other trends p>0.05.
SOC, Standard Occupational Classification.