Table 2.
Test scores by age categories (raw score means and standard deviations)
| Age Categories |
||||||
|---|---|---|---|---|---|---|
| Tests | 60–69 years N=280 |
70–74 years N=257 |
75–79 years N=160 |
80+ years N=121 |
η2 (95% CI) | P-value |
| 3MS, Total Score | 91.0 (6.31) | 89.2 (9.3) | 86.7 (9.2) | 83.1 (12.1) | 0.08 (0.05, 0.12) | <0.001 |
| CVLT-II SF | ||||||
| Total Learned, Words | 23.5 (5.1) | 22.7 (5.2) | 22.3 (4.6) | 20.9 (5.9) | 0.03 (0.01, 0.,05) | <0.001 |
| Short Delay Free Recall, Words | 6.2 (1.9) | 5.9 (2.0) | 5.9 (2.0) | 5.4 (2.3) | 0.02 (0.00, 0.03) | 0.005 |
| Long Delay Free Recall, Words | 5.8 (2.2) | 5.5 (2.1) | 5.4 (2.3) | 4.7 (2.4) | 0.03 (0.01, 0.05) | <0.001 |
| Long Delay Cued Recall, Words | 6.3 (1.0) | 6.0 (2.0) | 5.8 (2.0) | 5.4 (2.2) | 0.02 (0.00, 0.04) | <0.001 |
| Total Recognition Discriminability, Score | 2.6 (0.8) | 2.7 (0.7) | 2.5 (0.8) | 2.4 (0.8) | 0.02 (0.00, 0.04) | <0.001 |
| WAIS Coding, Total Score | 51.7 (14.0) | 44.2 (15.3) | 39.1 (13.8) | 32.1 (14.4) | 0.18 (0.14, 0.23) | <0.001 |
| COWA, Correct words | 27.0 (10.4) | 25.3 (11.8) | 21.0 (10.9) | 20.7 (11.7) | 0.05 (0.02, 0.08) | <0.001 |
| Finger tap, Dominant hand | 37.3 (9.3) | 35.3 (10.2) | 33.6 (10.0) | 31.2 (9.3) | 0.04 (0.02, 0.07) | <0.001 |
| Grip strength, Dominant hand | 26.8 (9.3) | 25.9 (9.5) | 23.5 (9.3) | 19.9 (8.3) | 0.06 (0.03, 0.09) | <0.001 |
Notes: 3MS= Modified Mini Mental State; Coding = WAIS -IV Coding; COWA = Controlled Oral Word Test; FTT = Finger Tapping Test; CVLT-II SF = California Verbal Learning Test – 2nd edition Short Form. P-values represent test from Analysis of Variance (ANOVA), with effect size given as eta-squared (η2) with 95% confidence interval (95% CI).