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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