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Tetrachoric correlation coefficients between frailty variables
| Domain | Physical activity | Mobility | Strength | Energy | Cognition | Mood |
|---|---|---|---|---|---|---|
| Physical activity | 1.00 | |||||
| Mobility | 0.38 | 1.00 | ||||
| Strength | 0.32 | 0.63 | 1.00 | |||
| Energy | 0.52 | 0.76 | 0.57 | 1.00 | ||
| Cognition | 0.07 | −0.12 | −0.01 | −0.07 | 1.00 | |
| Mood | 0.17 | 0.21 | 0.21 | 0.22 | −0.04 | 1.00 |
