Municipal distribution of breast cancer mortality among women in Spain

BMC Cancer

Table 4 Effect of the explanatory variables on breast cancer mortality in women younger than 50.

Variable	Conventional Poisson regression model		Bayesian model (Besag-York-Molliè)
Three factor model	RR	95% Confidence Interval	RR	95% Credibility Interval
Socio-economic index
per 1 unit	1.002	0.974–1.029	0.992	0.967–1.016
Rurality
Change per category¹	0.978	0.965–0.992	0.978	0.965–0.991
% Population >=65
Change per 10%	1.004	0.998–1.011	1.004	0.998–1.011
Final model
Rurality
Change per category¹	0.981	0.968–0.993	0.982	0.977–0.993

1 Categories: 0 = > 500.000 inhabitants, 1 = 100.001–500.000, 2 = 50.001–100.000, 3 = 20.001–50.000, 4 = 10.001–20.000, 5 = 5.001–10.000, 6 = 2.001–5.000, 7 = 1.001–2.000, 8 = 501–1.000, 9 = 101–500, 10 = <100 inhabitants.

ISSN: 1471-2407