Historical trends in breast Cancer among women in China from age-period-cohort modeling of the 1990–2015 breast Cancer mortality data

Table 1 Estimated age, period and cohort effects from APC modeling of the breast cancer mortality rates for women during 1990–2015, China

Age	αi	Period	βj	Cohort	γk
20–24	−2.995	1990	−0.141	1906–1910	0.626
25–29	−1.822	1995	−0.114	1911–1915	0.577
30–34	−0.792	2000	−0.073	1916–1920	0.565
35–39	−0.350	2005	−0.020	1921–1925	0.554
40–44	0.034	2010	0.090	1926–1930	0.550
45–49	0.394	2015	0.258	1931–1935	0.518
50–54	0.525			1936–1940	0.487
55–59	0.643			1941–1945	0.414
60–64	0.692			1946–1950	0.407
65–69	0.764			1951–1955	0.306
70–74	0.843			1956–1960	0.099
75–79	0.968			1961–1965	−0.028
80–84	1.096			1966–1970	−0.223
				1971–1975	− 0.514
				1976–1980	−0.726
				1981–1985	−0.841
				1986–1990	−1.020
				1991–1995	−1.752

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