Table 3.
Logistic regression models examining odds of death over 3 and 6 years
| Model 1 frailty index | Model 2 social vulnerability index | Model 3 protective factors index | Model 4 all indices | |
|---|---|---|---|---|
| Wave 1 to wave 2 | ||||
| Baseline cognitive state | 1.09 (1.05,1.12) | 1.10 (1.07, 1.14) | 1.08 (1.05, 1.11) | 1.06 (1.03, 1.10) |
| Age | 1.09 (1.06,1.12) | 1.08 (1.06, 1.11) | 1.09 (1.06, 1.12) | 1.08 (1.05, 1.12) |
| Years of education | 1.02 (0.975, 1.06)* | 1.04 (1.00, 1.08)* | 1.03 (0.99, 1.08)* | 1.03 (0.99, 1.08)* |
| Frailty | 1.71 (1.51, 1.95) | 1.71 (1.50, 1.95) | ||
| Social vulnerability | 1.15 (1.06, 1.26) | 1.06 (0.97, 1.17)* | ||
| Protective factors | 0.77 (0.69, 0.86) | 0.77 (0.68, 0.87) | ||
| Model fit statistics | ||||
| −2log likelihood | 1,771.41 | 2,000.19 | 1,876.42 | 1,732.20 |
| Wave 1 to wave 3 | ||||
| Baseline cognitive state | 1.09 (1.06, 1.13) | 1.11 (1.08, 1.14) | 1.10 (1.07, 1.12) | 1.08 (1.04, 1.11) |
| Age | 1.12 (1.09, 1.14) | 1.11 (1.09, 1.13) | 1.12 (1.09, 1.14) | 1.11 (1.09, 1.13) |
| Years of education | 1.02 (0.99, 1.05)* | 1.04 (1.01, 1.07) | 1.05 (1.02, 1.08) | 1.04 (1.00, 1.07)* |
| Frailty | 1.73 (1.57, 1.92) | 1.71 (1.54, 1.89) | ||
| Social vulnerability | 1.21 (1.13, 1.29) | 1.13 (1.05, 1.21) | ||
| Protective Factors | 0.79 (0.73, 0.86) | 0.81 (0.74, 0.89) | ||
| Model fit statistics | ||||
| −2log likelihood | 3,031.24 | 3,333.43 | 3,168.75 | 2,980.07 |
Values are shown as odds ratios (95% confidence intervals) except for –2log likelihood. *Not significant at P = 0.05 level.