Table 2.
Characteristics of Sample and Their Relationship With NPS.
| Mean (SD) or number (%) | NPI composite scores | P value | |
|---|---|---|---|
| Caregiver | |||
| Age | 62.15 (10.37) | r = −.45 | <.01 |
| Gender, female | 62 (77.5%) | t = 2.98 | <.01 |
| Education, years | 6.56 (2.60) | r = −.39 | <.01 |
| Hours spent caring | 12.70 (8.31) | r = .36 | <.001 |
| Relationship | |||
| Son/daughter | 35 (43.8%) | F = 0.291 | .022 |
| Husband/wife | 31 (38.8%) | ||
| Brother/sister | 6 (7.4%) | ||
| Other relatives | 8 (10%) | ||
| Marital status | |||
| Married | 63 (78.8%) | F = 0.083 | .823 |
| Single | 9 (11.2%) | ||
| Widowed | 8 (10%) | ||
| Lives with patient | |||
| Yes | 60 (75%) | t = 3.87 | .043 |
| No | 20 (25%) | ||
| Health | |||
| Excellent | 32 (40%) | F = 0.776 | .574 |
| Good | 30 (37.5%) | ||
| Poor | 18 (22.5%) | ||
| CBI | 32.71 (11.35) | r = .54 | <.001 |
| BDI | 28.11 (8.76) | r = .42 | <.001 |
| STAI-S | 34.50 (11.61) | r = .14 | .062 |
| Engagement coping | 9.44 (3.61) | r = −.59 | <.0001 |
| Disengagement coping | 10.35 (3.55) | r = .58 | <.0001 |
| Patient | |||
| Age | 77.34 (5.74) | r = .16 | .076 |
| Gender, female | 50 (62.5%) | t = 0.38 | <.050 |
| Education, years | 6.56 ± 2.62 | r = .11 | .985 |
| Marital status | |||
| Married | 38 (47.5%) | F = 1.982 | .678 |
| Single | 8 (10%) | ||
| Widowed | 34 (42.5%) | ||
| Duration of dementia, months | 60.23 (25.15) | r = .34 | <.01 |
| History of psychiatric disorders | 35 (43.8%) | t = 1.92 | <.01 |
| Psychoactive drugs | 53 (66.3%) | t = 0.27 | .432 |
| Antidementia drugs | 65 (81.2%) | t = 0.31 | .765 |
| MMSE | 15.01 (4.80) | r = −.28 | <.01 |
| B-ADLs | 8.85 (1.28) | r = .31 | <.01 |
| NPI | 22.60 (13.91) | r = .14 | |
| GDS | |||
| 4 | 22 (27.5%) | F = 3.294 | <.001 |
| 5 | 34 (42.5%) | ||
| 6 | 24 (30%) |
Abbreviations: B-ADLs, Bayer’s Activities Daily Living; BDI, Beck Depression Inventory; CBI, Caregiver Burden Interview; GDS, Global Deterioration Scale; MMSE, Mini-Mental State Examination; NPI, Neuropsychiatric Inventory; SD, standard deviation; STAI-S, State-Trait Anxiety Inventory–State.