Table 2 Descriptive Statistics for time-dependent covariates (%)
Covariate | Year 2005 | Year 2008 | Year 2011 | Year 2014 |
|---|---|---|---|---|
Make own decisions | 90.20 | 87.38 | 89.36 | 87.33 |
Consume vegetables frequently | 89.56 | 91.69 | 92.53 | 90.95 |
Exercise | 38.05 | 42.70 | 48.79 | 39.53 |
Transfer without assistance | 99.70 | 99.46 | 98.17 | 95.10 |
Visual difficulties | 19.40 | 19.54 | 23.80 | 29.54 |
Pick up book from floor while standing | 91.98 | 91.64 | 85.85 | 77.04 |