Table I.
Demographic information and neuropsychological test results for three groups based on body mass index (BMI)
| Normal‐ weight (n = 53) | Overweight (n = 22) | Obese (n = 20) | |
|---|---|---|---|
| Age (years) | 71.0 ± 9.8 | 69.9 ± 8.1 | 66.9 ± 9.9 |
| Education (years) | 16.2 ± 2.3 | 15.9 ± 2.9 | 14.2 ± 2.0a |
| BMI (kg/m2) | 22.3 ± 1.6 | 27.6 ± 1.4 | 34.9 ± 3.3 |
| Hypertension (n) | 8 (15%) | 5 (23%) | 10 (50%)a |
| MMSE (raw score) | 28.9 ± 1.5 | 29.2 ± 0.9 | 29.1 ± 0.9 |
| Vocabulary (raw score) | 69.5 ± 5.6 | 70.0 ± 5.4 | 67.8 ± 6.9 |
| Memory Function (z‐score) | 0.31 ± 0.71 | 0.44 ± 0.46 | 0.43 ± 0.69 |
| Executive Function (z‐score) | 0.10 ± 0.58 | 0.04 ± 0.60 | −0.28 ± 0.62a |
| Trails A (sec) | 34.4 ± 10.6 | 34.6 ± 11.7 | 34.9 ± 13.9 |
Except for hypertension (number and percentage of participants), values represent means and standard deviations.
a
Significantly different from normal weight females.