Table 4

Cancer incidence and mortality for sites other than lung by cumulative exposure to radon progeny in working level months (WLM) among Ontario male miners

Cancer incidenceMortality
Cancer siteCumulative exposure (WLM)Relative risks* and 95% CIOverall excess relative risk* (per 100 WLM) and 95% CIRelative risks* and 95% CIOverall excess relative risk* (per 100 WLM) and 95% CI
Stomach≤ 211
>2 to ≤100.99 (0.60 to 1.65)−0.12 (−0.59 to 0.35)1.14 (0.66 to 2.00)−0.082 (−0.61 to 0.45)
>10 to ≤300.79 (0.46 to 1.34)0.88 (0.49 to 1.58)
>300.86 (0.52 to 1.43)0.96 (0.55 to 1.68)
Kidney<211
≥2 to <150.72 (0.44 to 1.17)−0.40 (−1.00 to 0.20)0.53 (0.27 to 1.04)−0.60 (−1.30 to 0.11)
≥150.66 (0.40 to1.10)0.50 (0.25 to 0.97)
Leukaemia†≤511
>5–300.94 (0.60 to 1.49)0.37 (−0.35 to 1.10)0.95 (0.55 to 1.65)0.15 (−0.62 to 0.92)
>301.25 (0.77 to 2.02)1.09 (0.61 to 1.97)
Extrathoracic airways≤111
>1–51.10 (0.71 to 1.71)−0.29 (−0.57 to 0.0034)1.49 (0.78 to 2.84)−0.17 (−0.64 to 0.30)
>5–200.75 (0.49 to 1.14)0.80 (0.42 to 1.55)
>20–500.57 (0.34 to 0.95)0.91 (0.45 to 1.85)
>500.64 (0.38 to 1.08)0.87 (0.41 to 1.83)
  • *Adjusted by attained age and calendar period.

  • †Results for leukaemia by subtype: chronic lymphocytic leukaemia (CLL) (ERRincidence=0.18/100WLM, CI (−0.86 to 1.20) and ERRmortality=−0.91/100WLM, CI (−1.40 to −0.44); leukaemia excluding CLL (ERRincidence=0.60/100WLM, CI (−0.46 to 1.60) and ERRmortality=0.80/100WLM, CI (−0.49 to 2.10).