Table 3.
Score Distribution and Internal Consistency for the ADRQL
| Scales by Sample Type | Observed Range | Mean (SD) | % Mina | % Maxb | Reliability (Cronbach’s alpha) | ||
|---|---|---|---|---|---|---|---|
| Total Sample of Diagnosed Persons | |||||||
| Original ADRQL | |||||||
| Total Score | 30.3 | 100.0 | 73.8 | (15.5) | <1.0 | <1.0 | .87 |
| Social Interaction | 8.5 | 100.0 | 77.2 | (20.2) | <1.0 | 19.0 | .83 |
| Awareness of Self | 0 | 100.0 | 62.7 | (25.3) | <1.0 | 7.1 | .79 |
| Feelings and Mood | 18.7 | 100.0 | 76.9 | (19.2) | <1.0 | 12.9 | .81 |
| Enjoyment of Activities | 0 | 100.0 | 65.3 | (28.7 | 5.8 | 21.6 | .58 |
| Response to Surroundings | 13.2 | 100.0 | 79.8 | (17.6) | <1.0 | 25.8 | .56 |
| Revised ADRQL | |||||||
| Total Score | 21.6 | 100.0 | 73.5 | (17.1) | <1.0 | 1.0 | .86 |
| Social Interaction | 0 | 100.0 | 80.9 | (23.2) | <1.0 | 34.5 | .83 |
| Awareness of Self | 0 | 100.0 | 58.6 | (31.4) | 5.8 | 15.5 | .79 |
| Feelings and Mood | 15.2 | 100.0 | 76.6 | (23.3) | <1.0 | 25.5 | .81 |
| Enjoyment of Activities | 0 | 100.0 | 60.1 | (32.0) | 10.6 | 22.9 | .61 |
| Response to Surroundings | 0 | 100.0 | 83.6 | (23.9) | 1.6 | 57.7 | .56 |
| Subsamples of Diagnosed Persons by Setting (Revised ADRQL) | |||||||
| Community | |||||||
| Total Score | 21.6 | 100.0 | 77.0 | (16.5) | 1.1 | 1.1 | .87 |
| Social Interaction | 7.9 | 100.0 | 84.3 | (22.5) | 1.1 | 36.8 | .84 |
| Awareness of Self | 0 | 100.0 | 64.3 | (27.7) | 4.6 | 14.9 | .76 |
| Feelings and Mood | 25.4 | 100.0 | 83.8 | (20.7) | 1.1 | 36.8 | .81 |
| Enjoyment of Activities | 0 | 100.0 | 57.8 | (29.8) | 10.3 | 16.1 | .52 |
| Response to Surroundings | 0 | 100.0 | 77.4 | (24.9) | 2.3 | 41.4 | .44 |
| Assisted Living | |||||||
| Total Score | 33.2 | 100.0 | 78.2 | (14.9) | <1.0 | 1.1 | .84 |
| Social Interaction | 8.0 | 100.0 | 83.1 | (21.0) | <1.0 | 40.3 | .81 |
| Awareness of Self | 0 | 100.0 | 72.3 | (25.2) | <1.0 | 23.1 | .71 |
| Feelings and Mood | 18.3 | 100.0 | 78.0 | (21.7) | <1.0 | 26.9 | .78 |
| Enjoyment of Activities | 0 | 100.0 | 69.9 | (29.3) | 6.0 | 32.8 | .56 |
| Response to Surroundings | 0 | 100.0 | 83.8 | (25.7) | 2.2 | 61.9 | .66 |
| Nursing Home | |||||||
| Total Score | 29.1 | 97.7 | 63.2 | (16.5) | 1.1 | 1.1 | .79 |
| Social Interaction | 0 | 100.0 | 74.2 | (25.8) | 2.2 | 23.6 | .84 |
| Awareness of Self | 0 | 100.0 | 32.5 | (27.5) | 14.6 | 4.5 | .80 |
| Feelings and Mood | 15.2 | 100.0 | 67.6 | (25.2) | 1.1 | 12.4 | .81 |
| Enjoyment of Activities | 0 | 100.0 | 47.7 | (33.6) | 18.0 | 14.6 | .66 |
| Response to Surroundings | 23.3 | 100.0 | 89.4 | (18.1) | 1.1 | 67.4 | .41 |
a
% with lowest possible score (floor)
b
% with highest possible score (ceiling)
Sample sizes: total = 310; community = 87; assisted living = 134; nursing home = 89.