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Table 2 Hazard ratio (HR) of cancer-specific mortality from breast cancer by socioeconomic status (SES)

From: Socioeconomic disparities in breast cancer survival: relation to stage at diagnosis, treatment and race

  Model 0 Model 1 Model 2 Model 3 Model 4 Model 5
Area-based SES group SES only Model 0 + age & year Model 1 + stage Model 2 + treatment Model 3 + race Model 4 + rural/urban
  HR & (CI†) HR & (CI) HR & (CI) HR & (CI) HR & (CI) HR & (CI)
Highest 1.00 1.00 1.00 1.00 1.00 1.00
Upper middle 1.05
(0.99-1.11)
1.01
(0.96-1.07)
1.00
(0.94-1.06)
1.00
(0.95-1.06)
0.99
(0.93-1.05)
0.99
(0.93-1.05)
Lower middle 1.23
(1.16-1.29)
1.09
(1.03-1.15)
1.08
(1.03-1.14)
1.07
(1.01-1.12)
1.06
(1.00-1.12)
1.04
(0.99-1.10)
Lowest 1.31
(1.24-1.38)
1.19
(1.13-1.26)
1.10
(1.04-1.16)
1.08
(1.03-1.14)
1.03
(0.97-1.08)
1.03
(0.97-1.08)
p-value for SES <0.0001 <0.0001 <0.0001 0.003 0.07 0.20
  1. † 95% confidence intervals.