Table 2 Adjusted models in rural and urban counties by four-week periods
From: Geographical differences in whooping cough in Catalonia, Spain, from 1990 to 2010
Rural counties model | Estimate | P value |
|---|---|---|
Intercept | -12.13 | <0.01 |
Log (urban cases) | 0.01 | <0.01 |
Sinus | -0.24 | <0.01 |
Cosines | -0.27 | <0.01 |
Factor (year) | <0.01 | |
AIC: | 1211.2 | |
Null deviance: 592.88 on 272 degrees of freedom | ||
Residual deviance: 285.48 on 249 degrees of freedom | ||
Urban counties model | Estimate | P value |
Intercept | -9.29 | <0.01 |
Log (rural cases) | 0.02 | <0.01 |
Sinus | -0.25 | <0.01 |
Cosines | -0.29 | <0.01 |
Factor (year) | <0.01 | |
AIC: | 1972.2 | |
Null deviance: 1016.20 on 272 degrees of freedom | ||
Residual deviance: 306.77 on 249 degrees of freedom |