Characteristic | Bladder Cancer Cases n = 219 | Controls n = 273 | p-value* |
---|---|---|---|
Age (in years)† | 66.5 (+/− 9.4) | 66.7 (+/− 10.0) | 0.85 |
Gender | |||
Males | 169 (77.2%) | 195 (71.4%) | |
Females | 50 (23.8%) | 78 (28.6%) | 0.15 |
Race | |||
White | 206 (94.1%) | 260 (95.1%) | |
Black | 5 (2.3%) | 2 (0.8%) | |
Other | 8 (3.7%) | 11 (4.0%) | 0.35 |
Smoking | |||
Ever smoked | 172 (78.5%) | 146 (53.5%) | |
Never smoked | 47 (21.5%) | 127 (46.5%) | <0.0001* |
Pack years smoked †∞ | 33.2 (+/− 22.7) | 24.4 (+/− 19.8) | 0.003* |
Arsenic concentration in water (TWA) in μg/L** | |||
1.31 (3.37) | 1.44 (3.27) | 0.45 |