Bladder cancer risk in women by occupation in the NOCCA and CanCHEC
| Occupational categories | NOCCA (n=18 916) | CanCHEC* (n=1540) | ||||
| Cases | SIR | 95% CI | Cases | HR | 95% CI | |
| AM | 137 | 1.17 | 1.00 to 1.40 | 110 | 0.93 | 0.77 to 1.13 |
| AW | 342 | 0.70 | 0.60 to 0.74 | 50 | 0.88 | 0.66 to 1.18 |
| CH | 63 | 1.45 | 1.11 to 1.86 | <5 | – | – |
| CS | 0 | – | 0.00 to 52.7 | |||
| CW | 11 | 1.00 | 0.50 to 1.80 | 10 | 1.25 | 0.63 to 2.51 |
| DV | 41 | 1.24 | 0.90 to 1.70 | 10 | 1.09 | 0.64 to 1.85 |
| EW | 72 | 1.00 | 0.79 to 1.26 | 5 | 0.65 | 0.27 to 1.57 |
| FF | 14 | 1.08 | 0.58 to 1.80 | <5 | – | – |
| FB | 12 | 1.07 | 0.55 to 1.87 | 125 | 1.07 | 0.89 to 1.29 |
| FP | 212 | 1.02 | 0.88 to 1.16 | 15 | 0.59 | 0.35 to 0.98 |
| FW | 4 | 0.65 | 0.18 to 1.65 | <5 | – | – |
| HD | 131 | 1.42 | 1.20 to 1.68 | 10 | 1.09 | 0.63 to 1.89 |
| LW | 131 | 1.18 | 0.98 to 1.40 | 15 | 1.11 | 0.65 to 1.88 |
| MW | 10 | 0.92 | 0.44 to 1.70 | 10 | 1.44 | 0.72 to 2.88 |
| MN | 2 | 1.75 | 0.21 to 6.34 | <5 | – | – |
| PA | 8 | 1.29 | 0.56 to 2.54 | <5 | – | – |
| PL | 0 | – | 0.00 to 21.7 | 5 | 2.90 | 1.20 to 6.98 |
| PI | 72 | 1.47 | 1.15 to 1.85 | 10 | 1.21 | 0.63 to 2.34 |
| RP | 101 | 1.01 | 0.82 to 1.22 | <5 | – | – |
| SW | 205 | 1.27 | 1.10 to 1.46 | 185 | 1.06 | 0.91 to 1.23 |
| TH | 458 | 0.81 | 0.73 to 0.90 | 125 | 0.91 | 0.75 to 1.11 |
| TW | 22 | 1.65 | 1.03 to 2.50 | |||
| WA | 268 | 1.30 | 1.15 to 1.47 | |||
| WE | 4 | 1.08 | 0.30 to 2.77 | <5 | – | – |
*Model adjusted for age, sex, region and level of education.
Bold indicates statistically significant increased risk. Italics indicate statistically significant decreased risk.
AM, administrators and managers; AW, agriculture workers; CanCHEC, Canadian Census Health and Environment Cohort; CH, chemical workers; CS, chimney-sweeps; CW, construction workers; DV, drivers; EW, electrical workers; FB, food and beverage workers; FF, fire fighters; FP, food-processing workers; FW, forestry workers; HD, hairdressers; LW, laundry workers; MN, miners; MW, metal workers; NOCCA; Nordic Occupational Cancer study; PA, painters; PI, printers; PL, plumbers; RP, rubber and plastics workers; SIR, standardised incidence ratio; SW, sales workers; TH, teachers; TW, tobacco workers; WA, waiters; WE, welders.