Table 4. Linear regression models evaluating the association between amyloid positron emission tomography positivity and risk factors.
| Variables | Univariable analysis | Multivariable analysis | ||
|---|---|---|---|---|
| OR (95% CI) | p-value | Age adjusted OR (95% CI) | p-value | |
| Age | 1.89 (1.21–3.05) | 0.007 | ||
| Hypertension | 0.33 (0.12–0.90) | 0.052 | 0.33 (0.12–0.90) | 0.030 |
| Lt. temporal lateral lobe (%) | 0.52 (0.29–0.94) | 0.001 | 0.52 (0.29–0.94) | 0.031 |
| Cerebellum (%) | 0.43 (0.25–0.69) | 0.001 | 0.50 (0.28–0.88) | 0.017 |
| Lt. entorhinal cortex (%) | 0.61 (0.38–0.98) | 0.009 | 0.61 (0.38–0.98) | 0.042 |
| BMI | 0.46 (0.26–0.80) | 0.003 | 0.46 (0.26–0.80) | 0.006 |
| Waist circumference (cm) | 0.49 (0.29–0.79) | 0.006 | 0.46 (0.27–0.79) | 0.005 |
| Body fat calculator (%) | 0.56 (0.35–0.88) | 0.014 | 0.57 (0.35–0.92) | 0.020 |
| Visceral fat | 0.37 (0.19–0.64) | 0.001 | 0.38 (0.21–0.70) | 0.002 |
| Gait speed (sec) | 0.53 (0.27–0.91) | 0.037 | 0.53 (0.29–0.95) | 0.034 |
| APOE ε4 genotype | 5.62 (2.12–14.94) | 0.001 | 6.49 (2.26–18.66) | 0.001 |
Lt.: left, BMI: body mass index, APOE: apolipoprotein E, OR: odds ratio, CI: confidence interval.