Table 5.
Cox regression model of the effect of socio-demographic characteristics on racial/ethnic disparities in survival
| 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 |
aSES variables include Poverty level, DPC physicians per 100 population, TX-Mexico border, Region
bFull model includes model 5 plus chemotherapy, radiation therapy, surgery treatment or not and patient year of diagnosis