Demographic and clinical characteristics of participants in the Leiden 85-plus Study
| Characteristic | Women (%) (n=397) | Men (%) (n=202) |
| Living arrangements1-150 | ||
| Independent | 312 (79) | 177 (88) |
| Institutionalised1-151 | 85 (21) | 25 (12) |
| Marital status1-150 | ||
| Married | 70 (18) | 128 (63) |
| Unmarried | 28 (7) | 10 (5) |
| Widowed | 283 (71) | 62 (31) |
| Divorced | 16 (4) | 2 (1) |
| Education1-150 | ||
| Low level | 279 (70) | 107 (53) |
| High level | 114 (29) | 93 (46) |
| Missing | 4 (1) | 2 (1) |
| MMSE score1-150 | ||
| 19–30 points | 316 (80) | 184 (91) |
| 0–18 points | 81 (20) | 18 (9) |
| Depressive symptoms | ||
| GDS⩽3 points | 241 (61) | 140 (69) |
| GDS⩾4 points | 75 (19) | 44 (22) |
| GDS not administered1-152 | 81 (20) | 18 (9) |