Table 1 Sample characteristics at baseline
|  | Total (N = 1001) | Dementia (N = 415) | No dementia (N = 586) | p-value | |
|---|---|---|---|---|---|
Socio-demographics | |||||
Age | Mean (SD) | 83.4 (5.7) | 84.5 (5.6) | 82.6 (5.6) | < 0.001 a |
Females | N (%) | 683 (68.2) | 273 (65.8) | 410 (70.0) | 0.171b |
Married | N (%) | 297 (29.7) | 131 (31.6) | 166 (28.4) | 0.250b |
Health condition | |||||
 GMHRd | |||||
  Good | N (%) | 155 (15.5) | 43 (10.4) | 112 (19.1) | < 0.001 b |
  Fairly Good | N (%) | 392 (39.2) | 147 (35.5) | 245 (41.9) |  |
  Poor | N (%) | 346 (34.6) | 166 (40.1) | 180 (30.8) |  |
  Very Poor | N (%) | 106 (10.6) | 58 (14.0) | 48 (8.2) |  |
PSMSe | Mean (SD) | 9.2 (3.5) | 10.9 (4.0) | 7.9 (2.6) | < 0.001 a |
NPI Agitation sub-syndromef | Mean (SD) | 1.6 (4.4) | 2.6 (5.7) | 0.9 (2.9) | < 0.001 a,c |
NPI Psychosis sub-syndromeg | Mean (SD) | 0.5 (2.0) | 1.1 (2.8) | 0.2 (1.1) | < 0.001 a,c |
NPI Affective sub-syndromeh | Mean (SD) | 2.9 (5.3) | 4.8 (6.8) | 1.6 (3.3) | < 0.001 a |
No of drugs | Mean (SD) | 5.3 (2.9) | 5.4 (3.0) | 5.3 (2.9) | 0.699a |
Type of domiciliary carei | |||||
 Nursing care | N (%) | 670 (67.4) | 347 (84.0) | 323 (55.6) | < 0.001 b |
 Domestic help | N (%) | 528 (53.1) | 210 (50.8) | 318 (54.7) | 0.229 |
 Other types of support | N (%) | 599 (59.8) | 272 (65.5) | 327 (55.8) | 0.001 b |