| IADLs | instrumental activities of daily living |
| K6 | Kessler Psychological Distress Scale |
| MCI | mild cognitive impairment |
| MMSE | Mini-Mental State Examination |
| MoCA | The Montreal Cognitive Assessment |
| PSQI | Pittsburgh Sleep Quality Index |
| IADLs | instrumental activities of daily living |
| K6 | Kessler Psychological Distress Scale |
| MCI | mild cognitive impairment |
| MMSE | Mini-Mental State Examination |
| MoCA | The Montreal Cognitive Assessment |
| PSQI | Pittsburgh Sleep Quality Index |