Table 3.
Cox Regression Predicting Risk of Incident Motoric Cognitive Risk Syndrome from Baseline Purpose in Life in HRS and NHATS
| Predictor | HRS | NHATS | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Model 1 | Model 2 | Model 1 | Model 2 | |||||||||
| HR (CI) | p | HR (CI) | P | HR (CI) | p | HR (CI) | p | |||||
| Age (years) | 1.29 (1.17–1.41) | .000 | 1.26 (1.14–1.38) | .000 | 1.44 (1.25–1.65) | .000 | 1.25 (1.07–1.46) | .000 | ||||
| Gender (female) | .79 (.66–.96) | .015 | .81 (.67–.98) | .028 | .72 (.54–.96) | .026 | .80 (.59–1.07) | .798 | ||||
| Race (African American) | 2.38 (1.82–3.12) | .000 | 2.11 (1.59–2.79) | .000 | 2.02 (1.45–2.81) | .000 | 1.54 (1.08–2.20) | .016 | ||||
| Education (years) | .75 (.69–.81) | .000 | .78 (.72–.85) | .000 | .62 (.53–.72) | .000 | .75 (.64–.89) | .001 | ||||
| Cognitive function | -- | -- | .85 (.77–.95) | .004 | -- | -- | .60 (.50–.71) | .000 | ||||
| Purpose in life | .74 (.67–.81) | .000 | .75 (.69–.82) | .000 | .81 (.72–.91) | .000 | .82 (.73–.93) | .002 | ||||
Note. N=4,616 in HRS and N=2,877 in NHATS. HR=Hazard ratio. CI=95% confidence interval. Model 2 includes cognitive function as an additional covariate.