Table 2.
Logistic Regression Analysis of the Probability of Health Status Decline
| Model 1, OR (SE) p value | Model 2, OR (SE) p value | Model 3, OR (SE) p value | |
| Regimen support | |||
| Taking medications | 0.859 (0.207) .529 | 0.799 (0.189) .344 | 0.734 (0.189) .230 |
| Exercising regularly | 1.397 (0.338) .167 | 1.382 (0.329) .174 | 1.444 (0.355) .136 |
| Following meal plan | 0.957 (0.172) .805 | 1.032 (0.183) .857 | 0.943 (0.171) .745 |
| Checking blood sugar | 0.895 (0.150) .508 | 0.961 (0.155) .803 | 0.888 (0.144) .464 |
| Checking feet | 1.247 (0.287) .337 | 1.231 (0.280) .361 | 1.343 (0.345) .251 |
| Provider appointments | 1.063 (0.166) .696 | 1.212 (0.210) .267 | 1.253 (0.235) .228 |
| Regimen adherence | — | — | 0.961 (0.231) .868 |
| Married/coupled | — | 0.947 (0.209) .806 | 0.914 (0.235) .228 |
| Informal care | — | 1.832 (0.507) .029* | 1.975 (0.628) .032* |
| Self-rated health 2002 | 1.500 (0.145) .000* | 1.506 (0.146) .000* | 1.551 (0.197) .001* |
| Diabetes duration | — | — | 1.007 (0.012) .528 |
| TIBI | — | — | 1.011 (0.007) .111 |
| Age | 0.972 (0.011) .013* | 0.973 (0.011) .017* | 0.978 (0.134) .115 |
| Sex (reference: female) | 0.961 (0.209) .854 | ||
| Education (reference: high school) | |||
| Less than high school | 1.024 (0.253) .923 | ||
| College | 0.554 (0.162) .044* | ||
| Race (reference: White) | |||
| Black | 1.401 (0.407) .247 | ||
| Hispanic origin | 2.085 (0.683) .025* |
Notes: OR = odds ratio; TIBI = Total Illness Burden Index. Sources: Health and Retirement Study (HRS) diabetes supplement (2003), HRS (2004), and HRS tracker file (2004).
*
Significant at p < .05.