Table 2. Comparing Grip Strength Cut points for Muscle Weakness and Prevalence Estimates by Sex Between the HRS and FNIH.
| Classification | All men(n=3,182) | All women(n=4,506) | ||
|---|---|---|---|---|
|
| ||||
| Cut point (kg) | N (%)a | Cut point (kg) | N (%)a | |
| HRS | ||||
| Weak | <39 | 1,845 (55) | <22 | 1,998 (47) |
| Normal | ≥39 | 1,274 (45) | ≥22 | 2,317 (53) |
| FNIH | ||||
| Weak | <25.99 | 317 (10) | <15.92 | 523 (12) |
| Intermediate | ≥25.99 | 554 (17) | ≥15.92 | 863 (20) |
| Normal | ≥31.83 | 2,248 (73) | ≥19.99 | 2,929 (68) |
a
Weighted percentages.
HRS, Health and Retirement Study; FNIH, Foundation of the National Institutes of Health