| C-index (95%CI) | P value |
---|
Model 1 | 0.693 (0.661–0.725) | <0.001* |
Model 2 | 0.701 (0.669–0.733) | <0.001* |
Model 3 | 0.731 (0.701–0.762) | <0.001* |
Model 4 | 0.714 (0.684–0.745) | <0.001* |
Model 5 | 0.732 (0.702–0.763) | <0.001* |
Model 6 | 0.718 (0.687–0.749) | <0.001* |
- Note. C-index concordance index
- Model 1 incorporated seven predictors, including gender, age, smoking, self-report health condition, BMI, depressive symptoms, and cognitive function. Besides, five physical performance- based models were established based on Model 1, adding handgrip strength (Model 2), SPPB (Model 3), gait speed (Model 4), handgrip strength plus SPPB (Model 5), and handgrip strength plus gait speed (Model 6), respectively
- *p < 0.05