Table 1. Descriptions of Study Measurement Instruments.
| Measures | Items (Domains) |
Score Range (Other) |
Score Direction |
Internal Reliability For This Study α |
|---|---|---|---|---|
| Measures for PWD | ||||
| IADLs | 8 | 8 – 31 | Higher = Worse | .88 |
| PGDRS | 16 | 0 – 39 | Higher = Worse | .89 |
| MMSE | 30 | 0 – 30 | Higher = Better | NA |
| NPI-Q | ||||
| Severity | 12 | 0 – 36 | Higher = Worse | .77 |
| Distress | 12 | 0 – 60 | Higher = Worse | .78 |
| CSDD | 19 | 0 – 38 | Higher = Worse | .76 |
| DCNA | (15) | (count) | -- | - |
| QOL-AD_SR a | 13 | 13 – 52 | Higher = Worse | .89 |
| QOL-AD_CR a | 13 | 13 – 52 | Higher = Worse | .82 |
| ADRQL b | 40 | 0 - 100 | Higher = Worse | .84 |
|
Measures for Caregivers |
||||
| ZBI | 12 | 0 – 48 | Higher = Worse | .87 |
| GDS | 15 | 0 – 15 | Higher = Worse | NA |
| CAS | 6 | (Time) | -- | - |
| DCNA | (4) | (Count) | -- | - |
| SF-12 | 12 | 0 - 100 | Higher = Worse | NA |
a
Items – physical health, energy, mood, living situation, memory, family, friends, marriage, self as a whole, ability to do chores, ability to do things for fun, money, life as a whole.
b
Domains – social interaction (12 items), awareness of self (8 items), feelings and mood (12 items), enjoyment of activities (4 items), response to surroundings (4 items).
NA – not available.