| BDHQ | Brief-type self-administered diet history questionnaire |
| GDS | Geriatric Depression Scale |
| BMI | Body mass index |
| 25(OH)D | 25-hydroxyvitamin D |
| SPSS | Statistical Package for Social Sciences |
| SD | Standard deviation |
| B | Beta coefficient |
| OR | Odd ratio |
| CI | Confidence interval |
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