Table 3.
Tetrachoric correlation coefficients for the seven frailty domains by study
| Study | Domain | Nutrition | Physical activity | Mobility | Strength | Energy | Cognition | Mood |
|---|---|---|---|---|---|---|---|---|
|
| ||||||||
| MUNS | Nutrition | 1.00 | ||||||
| Physical activity | 0.10 | 1.00 | ||||||
| Mobility | 0.14 | 0.20 | 1.00 | |||||
| Strength | NA | NA | NA | NA | ||||
| Energy | 0.23 | 0.21 | 0.57 | NA | 1.00 | |||
| Cognition | −0.05 | 0.14 | 0.10 | NA | 0.10 | 1.00 | ||
| Mood | 0.17 | 0.22 | 0.25 | NA | 0.22 | 0.08 | 1.00 | |
|
| ||||||||
| CSHA | Nutrition | 1.00 | ||||||
| Physical activity | 0.21 | 1.00 | ||||||
| Mobility | 0.20 | 0.28 | 1.00 | |||||
| Strength | 0.27 | 0.27 | 0.59 | 1.00 | ||||
| Energy | 0.44 | 0.23 | 0.22 | 0.26 | 1.00 | |||
| Cognition | 0.23 | 0.24 | 0.39 | 0.34 | 0.18 | 1.00 | ||
| Mood | 0.51 | 0.13 | 0.24 | 0.16 | 0.62 | 0.33 | 1.00 | |
|
| ||||||||
| SIPA | Nutrition | NA | ||||||
| Physical activity | NA | 1.00 | ||||||
| Mobility | NA | 0.32 | 1.00 | |||||
| Strength | NA | 0.18 | 0.60 | 1.00 | ||||
| Energy | NA | 0.43 | 0.72 | 0.48 | 1.00 | |||
| Cognition | NA | −0.03 | −0.25 | −0.15 | −0.23 | 1.00 | ||
| Mood | NA | 0.10 | 0.10 | 0.22 | 0.09 | 0.00 | 1.00 | |
MUNS: Montreal Unmet Needs Study; CSHA: Canadian Study of Health and Aging; SIPA: Integrated Services for Older Persons; NA: Not available.