| Classification | Variables | Categories | n(%) or M ± SD | Possible range |
| Demographic characteristics | Age(year) | 80.74 ± 8.49 | ||
| 60 - 80 | 74 (44.6) | |||
| 81 - 90 | 70 (42.2) | |||
| 91 | 22 (13.2) | |||
| Gender | Male | 48 (28.9) | ||
| Female | 118 (71.1) | |||
| Education | None | 86 (51.8) | ||
| Elementary | 49 (29.5) | |||
| ≥9 Middle | 31 (18.7) | |||
| Spouse | Yes | 47 (28.3) | ||
| No | 119 (71.7) | |||
| Dementia-related | Dementia type | Alzheimer’s dementia | 129 (77.7) | |
| characteristics | Vascular dementia | 30 (18.1) | ||
| Others | 7 (4.2) | |||
| Total period of being diagnosed | 3.43 ± 2.59 | |||
| with dementia (year) | 1 - 2 | 71 (42.8) | ||
| 3 - 5 | 69 (41.6) | |||
| ≥6 | 26 (15.6) | |||
| Total number of other | 1.56 ± 0.89 | |||
| diagnosed diseases | 0-1 | 92 (55.4) | ||
| ≥2 | 74 (44.6) | |||
| cognitive function | 11.68 ± 5.59 | 0 - 23 | ||
| Communication | 25.8 ± 11.21 | 0 - 48 | ||
| Medication† | ||||
| Dementia related | Yes | 120 (72.3) | ||
| No | 46 (27.7) | |||
| Antipsychotic | Yes | 86 (51.8) | ||
| No | 80 (48.2) | |||
| Health status | ADL | 15.38 ± 4.00 | 7 - 21 | |
| hearing loss | Yes | 32 (19.3) | ||
| No | 134 (80.7) | |||
| vision problem | Yes | 18 (10.8) | ||
| No | 148 (89.2) | |||
| Physiological need states | Total number of | 0.91 ± 1.16 | ||
| physiologic discomforts | Yes | 82 (49.4) | ||
| No | 84 (50.6) | |||
| Pain | 9.59 ± 3.67 | 0 - 27 | ||
| Hours of sleep per day | 7.01 ± 1.77 | |||
| Quality of sleep | High | 38 (22.9) | ||
| Meddle | 91 (54.8) | |||
| Low | 37 (22.3) | |||
| Psychological need states | Depression Psychotic symptom | 12.81 ± 8.58 | 0 - 38 | |
| Delusion | 1.92 ± 3.21 |