Table 5

Incidence rate ratios (RRs) for male transitional cell carcinoma of the urinary bladder for occupational exposures (non-exposed v ever exposed)f or tumour invasiveness and morphology; Netherlands cohort study (1986–92)

Probability of exposure		Non-invasive (T_IS / T_a / T₁)			Invasive T_2–4
		Non-papillary (n=28)^5-150 RR (95% CI)^5-152			Papillary (n=248)^5-151 RR (95% CI)^5-152	Non-papillary (n=122)^5-150 RR (95% CI)^5-152	Papillary (n=162)^5-151 RR (95% CI)^5-152
		Non-papillary (n=28)^5-150 RR (95% CI)^5-152			Papillary (n=248)^5-151 RR (95% CI)^5-152	Non-papillary (n=122)^5-150 RR (95% CI)^5-152	Papillary (n=162)^5-151 RR (95% CI)^5-152

Paint components	Too few cases	1.45 (0.83 to 2.53)	1.34 (0.69 to 2.62)	1.18 (0.54 to 2.56)
PAHs	Too few cases	0.69 (0.34 to 1.43)	1.59 (0.77 to 3.28)	0.51 (0.19 to 1.36)
Diesel exhaust	1.72 (0.51 to 5.82)	0.82 (0.49 to 1.36)	1.07 (0.54 to 2.12)	1.17 (0.65 to 2.12)

↵5-150 ICD-O:M8120.
↵5-151 ICDO:M8130.
↵5-152 Adjusted for age, other occupational exposures, cigarette smoking amount (cigarettes/day), and duration of cigarette smoking (y).
PAHs=polycyclic aromatic hydrocarbons.