Figure 1.

Colorectal cancer mortality in towns situated near pollutant industries belonging to different industrial groups. Both sexes. Spain 1997–2006. Observed (Obs) and expected (Exp) deaths in towns lying 2 km or less from pollutant industries, relative risks obtained with the two models used, and 95% credible (BYM model) and confidence intervals (mixed model). RR = Relative risk BYM model. RR* = Relative risk Poisson regression mixed model.