BMI a | Non-obese | Obese |
P
interaction
|
---|
Handgrip Strength b | Weak | Strong | Weak | Strong | Â |
Number of cases | 94 | 105 | 39 | 32 | Â |
 Model 1 | 1.00 (reference) | 1.15 (0.71–1.84) | 1.00 (reference) | 0.66 (0.32–1.38) | 0.065 |
 Model 2 | 1.00 (reference) | 1.04 (0.63–1.73) | 1.00 (reference) | 0.39 (0.17–0.92) | 0.029 |
 Model 3 | 1.00 (reference) | 1.13 (0.67–1.88) | 1.00 (reference) | 0.28 (0.11–0.72) | 0.025 |
 Model 4 | 1.00 (reference) | 1.26 (0.75–2.13) | 1.00 (reference) | 0.23 (0.08–0.66) | 0.013 |
- anon-obese, BMI < 25 kg/m2; obese, BMI ≥ 25 kg/m2
- bHandgrip strength: weak, lower half, < 18.5 kgF; strong, upper half, ≥18.5 kgF
- Model 1: odds ratio by logistic regression analysis adjusted for age (95% confidence interval)
- Model 2: additionally adjusted for marital status, education, income, insurance, and area of residence
- Model 3: additionally adjusted for smoking status, drinking, physical activity, and weight change
- Model 4: additionally adjusted for activities of daily living, depression, comorbidity, and baseline K-MMSE score
- P for interaction of BMI and handgrip strength for cognitive impairment
- Acronyms: BMI, body mass index