Table 2 Levels of AARC gains and losses stratified by age
From: International relevance of two measures of awareness of age-related change (AARC)
Age | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|  | Class 1: 50 to 65 (N = 4929) | Class 2: 66 to 75 (N = 3758) | Class 3: 76 and over (N = 723) | Class 1 vs 2 | Class 1 vs 3 | Class 2 vs 3 | F statistic (df) | p-value | |||
| Â | Mean (SD) | Mean (SD) | Mean (SD) | Mean difference | [95% CI] | Mean difference | [95% CI] | Mean difference | [95% CI] | Â | Â |
AARC-10 SF gains | 18.1 (3.9) | 17.8 (3.9) | 17.4 (3.7) | −0.3 | [−0.5, 0.1] | −0.7 | [−1.0, − 0.3] | −0.4 | [− 0.8, − 0.1] | 12.1 (2) | <.0001 |
AARC-10 SF losses | 9.4 (3.2) | 10.2 (3.1) | 12.1 (3.8) | 0.8 | [0.6, 0.9] | 2.7 | [2.4, 3.0] | 1.9 | [1.7, 2.2] | 243.4 (2) | <.0001 |
AARC-50 cognitive functioning gains | 14.3 (4.4) | 13.6 (4.4) | 13.3 (4.4) | −0.7 | [−0.9, 0.5] | −1.0 | [−1.4, − 0.6] | −0.3 | [− 0.7, 0.1] | 34.5 (2) | <.0001 |
AARC-50 cognitive functioning losses | 9.8 (3.7) | 10.4 (3.5) | 12.0 (4.1) | 0.6 | [0.4, 0.8] | 2.2 | [1.9, 2.5] | 1.6 | [1.2, 1.9] | 123.0 (2) | <.0001 |