Table 1.
Baseline Participant Characteristics and Test Scores: Results from ACTIVE
| ACTIVE Cohort | |||||
|---|---|---|---|---|---|
| Memory Group (N=703) |
Control Group (N=698) |
Range | p for Difference |
||
| Age, mean (SD) | 73.53 (6.02) | 74.05 (6.05) | 65, 94 | 0.11 | |
| Years of Education, mean (SD) | 13.59 (2.73) | 13.37 (2.70) | 4, 20 | 0.14 | |
| Health status, n (%) | 0.91 | ||||
| Excellent | 57 (8.24%) | 64 (9.29%) | |||
| Very Good | 247 (35.69%) | 232 (33.67%) | |||
| Good | 283 (40.9%) | 287 (41.65%) | |||
| Fair | 98 (14.16%) | 100 (14.51%) | |||
| Poor | 7 (1.01%) | 6 (0.87%) | |||
| Sex, n (% female) | 537 (76%) | 514 (74%) | 0.23 | ||
| Ethnicity, n (% white) | 521 (74%) | 500 (72%) | 0.30 | ||
| MMSE score, mean (SD) | 27.29 (2.05) | 27.27 (2.00) | 23, 30 | 0.87 | |
| HVLT, mean (SD) | |||||
| Sum of Trials 1–3 | 26.28 (5.57) | 25.91 (5.57) | 4, 36 | 0.22 | |
| Semantic clustering score (ICC = 0.53) | 2.25 (1.78) | 2.15 (1.70) | −1.24, 7 | 0.31 | |
| Subjective clustering score (ICC = 0.31) | 0.96 (1.22) | 0.83 (1.18) | −1.4, 8.66 | 0.06 | |
| Serial clustering score (ICC = 0.074) | 0.62 (0.80) | 0.61 (0.77) | −0.86, 6.75 | 0.79 | |
| AVLT, mean (SD) | |||||
| Sum of Trials 1–5 | 48.74 (10.72) | 48.06 (10.84) | 7, 73 | 0.24 | |
| Subjective clustering score (ICC = 0.42) | 0.73 (0.93) | 0.66 (0.91) | −0.72, 6.99 | 0.19 | |
| Serial clustering score (ICC = 0.41) | 1.60 (1.24) | 1.52 (1.28) | −0.62, 10.6 | 0.25 | |
| Composite functional ability, mean (SD) | 100.24 (15.19) | 99.31 (14.86) | 43.42, 132.15 | 0.25 | |
| MDS-HC Raw Score | 4.46 (5.08) | 4.23 (4.62) | 0, 26 | 0.38 | |
| OTDL Raw Score | 17.70 (4.68) | 17.38 (4.43) | 1, 28 | 0.19 | |
| EPT Raw Score | 18.84 (5.79) | 18.25 (5.79) | 0, 28 | 0.06 | |
| TIADL Raw Score | 0.002 (0.61) | 0.026 (0.63) | −0.86, 5.03 | 0.46 | |
Legend: ICC: Intraclass Correlation Coefficient; MDS-HC: Minimum Dataset - Home Care; OTDL: Observed Tasks of Daily Living; EPT: Everyday Problems Test; TIADL: Timed Instrumental Activities of Daily Living