Table 2 Exposure prevalence and odds ratios (ORs) and 95% confidence intervals (95% CI) associated with exposure to organic solvents (No lag).
From: Occupational exposure to organic solvents and risk of bladder cancer
Prevalence of exposurea | Ever Exposedb | ||||
|---|---|---|---|---|---|
Cases | Controls | ORs, 95% CI | |||
N (%) | N (%) | ||||
Total | 1182 | 1408 | |||
Organic solvents | 499 | (42.22%) | 527 | (37.43%) | 1.88 (0.84, 4.21) |
Mononuclear aromatic hydrocarbons | 368 | (31.13%) | 369 | (26.21%) | 1.84 (1.16, 2.91) |
Benzene | 146 | (12.35%) | 139 | (9.87%) | 1.63 (1.14, 2.32) |
Toluene | 101 | (8.54%) | 96 | (6.82%) | 1.60 (1.06, 2.43) |
Xylene | 94 | (7.95%) | 87 | (6.18%) | 1.67 (1.13, 2.48) |
Styrene | 32 | (2.71%) | 40 | (2.84%) | 0.94 (0.57, 1.55) |
Aliphatic alcohols | 135 | (11.42%) | 140 | (9.94%) | 1.45 (0.90, 2.35) |
Isopropanol | 60 | (5.08%) | 65 | (4.62%) | 1.15 (0.74, 1.81) |
Chlorinated alkanes | 45 | (3.81%) | 64 | (4.55%) | 0.88 (0.55, 1.40) |
Carbon tetrachloride | 17 | (1.44%) | 28 | (1.99%) | 0.77 (0.40, 1.47) |
Chloroform | 0 | 0 | |||
Methylene chloride | 6 | (0.51%) | 10 | (0.71%) | 1.35 (0.45, 4.10) |
1,1,1-Trichlorethane | 0 | 0 | |||
Chlorinated alkenes | 36 | (3.05%) | 51 | (3.62%) | 0.79 (0.48, 1.28) |
Perchloroethylene | 6 | (0.51%) | 19 | (1.35%) | 0.36 (0.13, 0.96) |
Trichloroethylene | 0 | 0 | |||
Aliphatic ketones | 31 | (2.62%) | 33 | (2.34%) | 1.16 (0.66, 2.05) |
Aliphatic esters | 29 | (2.45%) | 28 | (1.99%) | 1.18 (0.67, 2.10) |
Alkanes (C5-C17) | 394 | (33.33%) | 386 | (27.41%) | 1.66 (0.99, 2.79) |
Alkanes (C18+) | 300 | (25.38%) | 290 | (20.60%) | 1.25 (0.82, 1.92) |