Variable | Intervention (n = 31) | Control (n = 60) | mixed ANOVAa |
|---|
M
|
SD
|
M
|
SD
| Effect |
F ratio
|
df
|
p
| Partial η2 |
|---|
NPI-NH |
 t0 | 18.94 | 17.58 | 25.55 | 16.13 | G | 1.20 | 1 | .277 | .01 |
 t6 | 27.00 | 16.20 | 25.12 | 15.90 | T | 10.88 | 1 |
.001
| .11 |
G x T | 10.90 | 1 |
.001
| .11 |
QUALIDEM |
 t0 | 80.44 | 12.25 | 72.21 | 14.70 | G | 5.85 | 1 |
.018
| .06 |
 t6 | 76.10 | 13.70 | 70.90 | 15.57 | T | 3.84 | 1 | .053 | .04 |
G x T | 1.37 | 1 | .244 | .02 |
ADCS-ADL-sev |
 t0 | 13.00 | 9.89 | 11.70 | 8.44 | G | 0.01 | 1 | .937 | .00 |
 t6 | 11.65 | 11.26 | 11.26 | 9.32 | T | 8.04 | 1 |
.006
| .08 |
G x T | 0.88 | 1 | .350 | .01 |
-
Note. ANOVA Analysis of variance, G Main effect of group, T Main effect of time, G x T Interaction effect between group and time, t0 baseline data collection, t6 data collection directly after the end of the 6-month intervention period, Intervention MAKS-s intervention group, Control waitlist control group, NPI-NH Total score (frequency x severity) of the Neuropsychiatric Inventory – Nursing Home Version, higher scores indicate more pronounced behavioural and psychological symptoms of dementia, range: 0–144, QUALIDEM Total score for the QUALIDEM, higher scores indicate better quality of life, range: 0–100, ADCS-ADL-sev Total score for the Alzheimer’s Disease Cooperative Study Activities of Daily Living Inventory – Severe Impairment Version, higher scores indicate higher capabilities in activities of daily living, range: 0–54
- a ANOVAs were based on scores that were transformed to normality: square root transformation for NPI-NH and ADCS-ADL-sev), quadratic transformation for QUALIDEM
- p-values < .05 are printed in bold; n = 91 (per-protocol)
