TABLE 2.
Cox proportional hazards models testing mortality risk of CR risk factors, CG factors, and CR mechanisms (n = 1,262; weighted)
| Unadjusted | Model 1 | Model 2 | Model 3 | |
|---|---|---|---|---|
| Predictor | HR [CI] Wald; p |
HR [CI] Wald; p |
HR [CI] Wald; p |
HR [CI] Wald; p |
| CR is Female | 0.77 [0.62,0.95] 5.63; 0.018 |
0.65 [0.51,0.83] 12.01; <0.001 |
0.66 [0.51,0.84] 11.25; <0.001 |
0.66 [0.52,0.85] 10.61; 0.001 |
| CR Age | 1.06 [1.05,1.08] 71.86; <0.001 |
1.05 [1.03,1.07] 30.79; <0.001 |
1.06 [1.04,1.08] 38.95; <0.001 |
1.06 [1.04,1.08] 38.03; <0.001 |
| CR Race - Black (non-Hispanic)1 | 0.74 [0.58,0.92] 6.97; 0.008 |
0.79 [0.62,1.01] 3.68; 0.055 |
0.77 [0.60,0.99] 4.26; 0.039 |
0.78 [0.61,1.00] 3.83; 0.051 |
| CR Race – Hispanic1 | 0.67 [0.42,1.08] 2.70; 0.101 |
0.69 [0.43,1.10] 2.46; 0.117 |
0.68 [0.43,1.08] 2.67; 0.102 |
0.68 [0.43,1.08] 2.63; 0.105 |
| CR Education - Some college2 | 0.83 [0.64,1.07] 2.03; 0.154 |
0.98 [0.76,1.28] 0.01; 0.909 |
0.95 [0.73,1.23] 0.16; 0.692 |
0.96 [0.74,1.25] 0.08; 0.781 |
| CR Education - Bachelor’s degree or higher2 |
0.85 [0.63,1.17] 0.98; 0.321 |
0.70 [0.50,0.98] 4.39; 0.036 |
0.70 [0.51,0.97] 4.70; 0.030 |
0.71 [0.51,0.98] 4.27; 0.039 |
| CR on Medicaid | 0.83 [0.63,1.09] 1.90; 0.169 |
0.81 [0.62,1.07] 2.23; 0.136 |
0.76 [0.58,1.02] 3.45; 0.063 |
0.78 [0.59,1.03] 3.09; 0.079 |
| CR Disability - Probable dementia only)3 |
2.17 [1.64,2.88] 29.46; <0.001 |
1.69 [1.27,2.23] 13.25; <0.001 |
1.68 [1.26,2.23] 12.50; <0.001 |
1.65 [1.24,2.20] 11.74; <0.001 |
| CR Disability – 2+ ADLs (only)3 | 1.83 [1.34,2.50] 14.45; <0.001 |
1.73 [1.27,2.35] 12.17; <0.001 |
1.61 [1.18,2.20] 9.05; 0.003 |
1.56 [1.14,2.14] 7.71; 0.006 |
| CR Disability – Both probable dementia & 2+ ADLs3 |
3.67 [2.78,4.84] 84.95; <0.001 |
2.76 [2.07,3.67] 48.35; <0.001 |
2.49 [1.85,3.36] 35.87; <0.001 |
2.37 [1.75,3.20] 31.77; <0.001 |
| CG Relationship -- Spouse | 0.65 [0.51,0.83] 11.71; 0.001 |
0.81 [0.60,1.08] 2.10; 0.147 |
0.84 [0.63,1.12] 1.39; 0.238 |
0.84 [0.63,1.13] 1.34; 0.247 |
| CG Depressed | 1.08 [0.80,1.46] 0.27; 0.604 |
0.89 [0.64,1.23] 0.52; 0.472 |
--- | 0.82 [0.59,1.15] 1.30; 0.254 |
| CG Anxious | 1.20 [0.90,1.60] 1.61; 0.205 |
0.98 [0.72,1.33] 0.02; 0.895 |
--- | 0.98 [0.72,1.34] 0.01; 0.914 |
| CG Burden – Medium Level4 | 1.39 [1.08,1.79] 6.36; 0.012 |
1.20 [0.94,1.54] 2.13; 0.144 |
--- | 1.14 [0.89,1.47] 1.11; 0.292 |
| CG Burden – High Level4 | 2.12 [1.59,2.82] 26.71; <0.001 |
1.51 [1.13,2.02] 7.79; 0.005 |
--- | 1.39 [1.03,1.88] 4.72; 0.030 |
| CR Depressed | 1.37 [1.10,1.72] 7.73; 0.006 |
--- | 1.34 [1.05,1.71] 5.63; 0.018 |
1.34 [1.05,1.72] 5.46; 0.020 |
| CR Anxious | 1.18 [0.93,1.51] 1.85; 0.175 |
--- | 1.03 [0.79,1.33] 0.04; 0.834 |
1.03 [0.79,1.34] 0.05; 0.825 |
| CR Suffered Adverse Consequence of Unmet IADL Need |
1.21 [0.91,1.60] 1.72; 0.191 |
--- | 1.21 [0.91,1.61] 1.79; 0.181 |
1.18 [0.88,1.57] 1.21; 0.271 |
| CR Suffered Adverse Consequence of Unmet ADL Need |
1.59 [1.29,1.98] 18.11; <0.001 |
--- | 1.29 [1.03,1.62] 4.76; 0.029 |
1.27 [1.01,1.60] 4.27; 0.039 |
HR = hazard ratio; CI = 95% Confidence interval for HR
Wald Statistic Degrees of freedom = (1, 1206) for all cells.
Reference groups:
1
non-Hispanic White
2
high school or less
3
Neither probable dementia nor 2+ ADLs
4
Low CG burden