Table 1. Participant Baseline Characteristics by Study Arm.
| Characteristic | No Yoga (n = 56) | No CCT (n = 54) | No Wellness Education (n = 52) | No Support Groups (n = 53) | No MSS (n = 57) |
|---|---|---|---|---|---|
| Age, mean (SD), y | 74.3 (7.3) | 75.8 (8.0) | 76.7 (7.3) | 75.1 (7.3) | 74.1 (7.9) |
| Education duration, median (range), y | 17 (9-20) | 16 (12-20)a | 16 (12-20) | 16 (10-20) | 16 (6-20) |
| Male, No. (%) | 34 (60.7) | 33 (61.1) | 30 (57.7) | 32 (60.4) | 31 (54.4) |
| Race other than white, No. (%)b | 3 (5.4) | 1 (1.9) | 1 (1.9) | 2 (3.8) | 5 (8.8) |
| Partner relationship, No. (%) | |||||
| Spouse or partner | 52 (92.9) | 44 (81.5) | 42/50 (84.0) | 48 (90.6) | 43/55 (78.2) |
| Son or daughter | 2 (3.6) | 6 (11.5) | 4/50 (8.0) | 3 (5.7) | 8/55 (14.5) |
| Using nootropics, No. (%) | 27/55 (49.1) | 24 (44.4) | 16/49 (32.7) | 11 (20.8) | 22/53 (41.5) |
| DRS-2 total score, mean (SD) | 130.1 (8.7)c | 127.5 (9.3) | 128.0 (8.0)a | 130.9 (7.6) | 129.9 (8.8)d |
| CDR score, No. (%) | |||||
| 0, None | 4/55 (7.3) | 1 (1.9) | 5 (9.6) | 4 (7.5) | 7 (12.3) |
| 0.5, Questionable | 51/55 (92.7) | 53 (98.1) | 47 (90.4) | 49 (92.4) | 50 (87.7) |
| REACH anxiety score, mean (SD) | 17.9 (5.4) | 16.9 (5.4)d | 18.1 (5.2)e | 17.6 (5.6)a | 17.8 (4.8)f |
| QOL-AD score, mean (SD) | 39.9 (5.9) | 40.9 (5.7)a | 39.1 (5.0)e | 41.5 (5.7) | 39.9 (5.5) |
| Mood score, mean (SD) | 11.5 (8.2)1 | 12.4 (9.6)a | 12.6 (8.5)e | 10.5 (7.2) | 12.8 (6.8)f |
| Self-efficacy score, mean (SD) | 74.1 (13.0) | 74.1 (15.7)a | 73.0 (12.1)e | 75.6 (13.8)a | 72.6 (15.2)f |
| mADL score, mean (SD) | 18.2 (4.9) | 19.2 (5.4) | 18.3 (4.9)f | 18.9 (4.8)a | 18.9 (4.7)f |
Abbreviations: CCT, computerized cognitive training; CDR, Clinical Dementia Rating; DRS-2, Dementia Rating Scale-2; mADL, memory-related activities of daily living; MSS, memory support system; QOL-AD, Quality of Life in Alzheimer Disease; REACH, Resources for Enhancing Alzheimer Caregiver Health.
a
Data missing for 1 patient.
b
Participants self-selected race from white, Hispanic or Latino, black/African American, Asian/Pacific Islander, American Indian/Alaskan Native, or other.
c
Data missing for 7 patients
d
Data missing for 2 patients.
e
Data missing for 3 patients
f
Data missing for 4 patients.