Breast cancer incidence and case fatality among 4.7 million women in relation to social and ethnic background: a population-based cohort study

Table 5 Hazard ratio (HR) of case fatality of breast cancer by education, calendar year and area of diagnosis

	Immigrants		Immigrants' daughters
	Death	HR* (95% CI)	Death	HR* (95% CI)
Years of education
13+	285	1.01 (0.88 to 1.17)	144	0.98 (0.80 to 1.20)
10 to 12	542	0.99 (0.90 to 1.09)	202	0.98 (0.83 to 1.15)
0 to 9	621	1.03 (0.94 to 1.13)	94	0.85 (0.67 to 1.09)
Unknown	130	0.92 (0.59 to 1.44)	6	0.65 (0.17 to 2.51)
Calendar period of diagnosis
1961 to 1985	444	0.98 (0.87 to 1.10)	49	0.84 (0.59 to 1.19)
1986 to 1995	615	0.94 (0.86 to 1.04)	192	0.96 (0.82 to 1.13)
1996 to 2000	282	1.10 (0.95 to 1.27)	129	0.90 (0.73 to 1.10)
2001 to 2007	237	1.20 (1.01 to 1.43)	76	1.10 (0.83 to 1.45)
Age at diagnosis
0 to 50	132	0.92 (0.85 to 1.00)	82	0.94 (0.83 to 1.08)
50+	551	1.14 (1.04 to 1.25)	112	0.96 (0.78 to 1.18)
Area of residence at diagnosis
Gothenburg	314	1.03 (0.90 to 1.18)	88	1.16 (0.91 to 1.48)
Linkoping	132	1.02 (0.83 to 1.26)	22	0.78 (0.47 to 1.31)
Lund-Malmo	274	1.09 (0.94 to 1.26)	86	0.86 (0.66 to 1.11)
Stockholm	476	0.97 (0.87 to 1.09)	124	0.88 (0.72 to 1.09)
Umea	103	0.96 (0.75 to 1.23)	44	1.07 (0.73 to 1.57)
Uppsala	279	0.98 (0.85 to 1.13)	82	0.95 (0.74 to 1.22)

* All HRs are adjusted for age at follow-up and calendar period of diagnosis. HRs are also mutually adjusted for years of education and place of residence at diagnosis if applicable. Native Swedish women defined as women with both parents born in Sweden.

ISSN: 1465-542X