Addressing the Younger Age at Onset in Breast Cancer Patients in Asia: An Age-Period-Cohort Analysis of Fifty Years of Quality Data from the International Agency for Research on Cancer

Table 1

Summary statistics of age-period-cohort model for breast cancer rates in European and Asian populations*.

Model	Asia			Europe
	Df**	Deviance	𝑃 value	Df**	Deviance	𝑃 value
Age	514	11764.7		644	45047
Age-drift	513	1920.7	0.000	643	8227	0.000
Age-cohort	509	1628.1	0.000	639	4809	0.000
Age-period	509	1546.2	0.000	639	8118	0.000
Age-period-cohort	505	1308.7	0.000	635	4377	0.000

∗The model fitted sequentially.
∗∗Degree of freedom.