Intraclass correlation coefficient (ICC) for grip strength measurement
| Statistic | Estimate | Std. Error | 95% confidence interval |
|---|---|---|---|
| ICC | 0.850 | 0.00094 | [0.848, 0.852] |
| Between-individual variance | 122.76 | 0.74 | [121.31, 124.23] |
| Within-individual variance | 21.67 | 0.08 | [21.51, 21.84] |
| Statistic | Estimate | Std. Error | 95% confidence interval |
|---|---|---|---|
| ICC | 0.850 | 0.00094 | [0.848, 0.852] |
| Between-individual variance | 122.76 | 0.74 | [121.31, 124.23] |
| Within-individual variance | 21.67 | 0.08 | [21.51, 21.84] |
Note(s): ICC = Intraclass correlation coefficient. Estimates are based on SHARE data (2004–2019)
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