Skip to main content

Table 5 Cox regression model of the effect of socio-demographic characteristics on racial/ethnic disparities in survival

From: Racial differences in long-term adjuvant endocrine therapy adherence and mortality among Medicaid-insured breast cancer patients in Texas: Findings from TCR-Medicaid linked data

Model One-year adherence to AET Three-year adherence to AET Five-year adherence to AET
HR (95% CI) p-value HR (95% CI) p-value HR (95% CI) p-value
Model 1: Race
 Black (vs. Non-Hispanic white) 1.36 (1.05-1.75) <0.05 1.50 (1.02-2.19) <0.05 2.02 (1.10-3.71) <0.05
 Hispanic (vs. Non-Hispanic white) 0.69 (0.54-0.88) <0.01 0.81 (0.57-1.17) 0.26 1.15 (0.66-2.02) 0.61
 Other (vs. Non-Hispanic white) 0.72 (0.42-1.24) 0.24 0.58 (0.25-1.34) 0.20 0.75 (0.23-2.49) 0.64
Model 2: Race + Adherence
 Black (vs. Non-Hispanic white) 1.30 (1.01-1.69) <0.05 1.35 (0.92-1.99) 0.13 1.90 (1.03-3.51) 0.04
 Hispanic (vs. Non-Hispanic white) 0.69 (0.54-0.89) <0.01 0.81 (0.56-1.16) 0.25 1.16 (0.66-2.02) 0.61
 Other (vs. Non-Hispanic white) 0.73 (0.42-1.26) 0.26 0.59 (0.25-1.35) 0.21 0.77 (0.23-2.55) 0.67
Model 3: Race + Adherence+ Age
 Black (vs. Non-Hispanic white) 1.31 (1.01-1.70) <0.05 1.34 (0.91-1.98) 0.14 1.85 (0.99-3.46) 0.05
 Hispanic (vs. Non-Hispanic white) 0.70 (0.55-0.90) <0.01 0.80 (0.56-1.15) 0.24 1.16 (0.66-2.04) 0.60
 Other (vs. Non-Hispanic white) 0.70 (0.41-1.22) 0.21 0.58 (0.25-1.33) 0.20 0.77 (0.23-2.55) 0.67
Model 4: Race+ Adherence + Age+ Stage+ Comorbidity score
 Black (vs. Non-Hispanic white) 1.20 (0.92-1.56) 0.18 1.17 (0.79-1.74) 0.44 1.61 (0.84-3.10) 0.15
 Hispanic (vs. Non-Hispanic white) 0.64 (0.50-0.83) <0.001 0.69 (0.48-1.00) 0.05 1.01 (0.57-1.79) 0.97
 Other (vs. Non-Hispanic white) 0.66 (0.38-1.15) 0.14 0.54 (0.23-1.24) 0.14 0.67 (0.20-2.24) 0.52
Model 5: Race+ Adherence + Age+ Stage+ Comorbidity score +SESa
 Black (vs. Non-Hispanic white) 1.24 (0.94-1.62) 0.12 1.27 (0.85-1.91) 0.24 1.75 (0.90-3.40) 0.10
 Hispanic (vs. Non-Hispanic white) 0.67 (0.50-0.88) <0.01 0.70 (0.46-1.08) 0.10 1.10 (0.57-2.11) 0.78
 Other (vs. Non-Hispanic white) 0.68 (0.39-1.18) 0.17 0.55 (0.24-1.29) 0.17 0.72 (0.21-2.47) 0.60
Full modelb
 Black (vs. Non-Hispanic white) 1.23 (0.94-1.62) 0.13 1.29 (0.86-1.93) 0.23 1.86 (0.94-3.66) 0.07
 Hispanic (vs. Non-Hispanic white) 0.66 (0.49-0.87) <0.01 0.72 (0.47-1.12) 0.15 1.13 (0.58-2.21) 0.73
 Other (vs. Non-Hispanic white) 0.65 (0.37-1.14) 0.14 0.55 (0.24-1.30) 0.17 0.81 (0.23-2.83) 0.74
  1. aSES variables include Poverty level, DPC physicians per 100 population, TX-Mexico border, Region
  2. bFull model includes model 5 plus chemotherapy, radiation therapy, surgery treatment or not and patient year of diagnosis
\