Table 2.
Characteristics of SHARP-P volunteers, by intervention assignment: mean (standard deviation) or percent.
| Characteristic | Healthy Aging N = 18 |
Cognitive Training N = 18 |
Physical Activity Training N = 18 |
Combined Intervention N = 19 |
p-value1 |
|---|---|---|---|---|---|
| Age, years | 75.4 (4.8) | 76.0 (5.2) | 77.5 (4.8) | 76.9 (4.0) | 0.57 |
| Sex | |||||
| Female | 7 (38%) | 8 (44%) | 10 (56%) | 12 (63%) | 0.45 |
| Male | 11 (61%) | 10 (56%) | 8 (44%) | 7 (37%) | |
| Education | |||||
| HS or less | 5 (28%) | 4 (22%) | 3 (17%) | 6 (32%) | 0.74 |
| > HS | 13 (72%) | 14 (78%) | 15 (83%) | 13 (68%) | |
| Race/ethnicity | |||||
| African-American | 1 (6%) | 1 (6%) | 1 (6%) | 4 (21%) | 0.45 |
| Caucasian | 17 (94%) | 17 (94%) | 17 (94%) | 15 (79%) | |
| 3MSE | 94.3 (2.4) | 95.6 (3.4) | 94.6 (3.9) | 94.6 (4.3) | 0.19 |
| 400 m walk, secs | 331 (66) | 331 (50) | 360 (48) | 347 (56) | 0.36 |
| ApoE allele2 | |||||
| Absent | 9 (75%) | 10 (83%) | 12 (86%) | 10 (62%) | 0.44 |
| Present | 3 (25%) | 2 (17%) | 2 (14%) | 6 (38%) |
1Analyses of variance for continuous measures; Pearson's chi-square or Fisher's exact tests for categorical variables
2Missing for 19 participants
33MSE: Modified Mini Mental State Exam