Table 1:
Participant baseline characteristics by study arm.
| Characteristic | No Computer Exercises (n=54) | No MSS (n=57) | No Support Group (n=53) | No Wellness (n=52) | No Yoga (n=56) |
|---|---|---|---|---|---|
| Age, mean (range) | 75 (71–82) | 75 (69–80) | 75 (71–80) | 76 (72–80) | 75 (70–81) |
| Sex, No. (%) | |||||
| Male | 33 (61.1) | 31 (54.4) | 32 (60.4) | 30 (57.7) | 34 (60.7) |
| Female | 21 (38.9) | 26 (45.6) | 21 (39.6) | 22 (42.3) | 22 (39.3) |
| Years of education, mean (range)b | 16 (14–18) | 16 (14–18) | 16 (14–19) | 16 (14–18) | 17 (16–19) |
| Race, No. (%) | |||||
| Non-white | 1 (1.9) | 5 (8.8) | 2 (3.8) | 1 (1.9) | 3 (5.4) |
| White, non-Hispanic | 53 (98.1) | 52 (91.2) | 51 (96.2) | 51 (98.1) | 53 (94.6) |
| Partner, No. (%)b | |||||
| Spouse | 44 (81.5) | 41 (77.3) | 48 (90.6) | 44 (84.6) | 52 (92.9) |
| Other | 10 (18.5) | 12 (22.7) | 5 (9.4) | 8 (15.4) | 4 (7.1) |
| Current memory medications, No. (%)b | 24 (44.4) | 22 (41.5) | 11 (20.8) | 16 (32.7) | 27 (49.1) |
| DRS-2 total score, mean (range)b | 127.5 (122–135) | 129.9 (124–136) | 130.9 (127–136) | 128 (122–135) | 130.1 (124–138) |
| CDR score, No. (%) | |||||
| 0, None | 1 (1.9) | 7 (12.3) | 4 (7.5) | 5 (9.6) | 4 (7.3) |
| 0.5, Questionable | 53 (98.1) | 50 (87.7) | 49 (92.4) | 47 (90.4) | 51 (92.7) |
| QoL-AD score, mean (SD)b | 40.9 (5.7) | 39.9 (5.5) | 41.5 (5.7) | 39.1 (5.0) | 39.9 (5.9) |
| CES-D total score, mean (SD)b | 12.4 (9.6) | 12.8 (6.8) | 10.5 (7.2) | 12.6 (8.5) | 11.5 (8.2) |
| Self-efficacy score, mean (SD)b | 74.1 (15.7) | 72.6 (15.2) | 75.6 (13.8) | 73.0 (12.1) | 74.1 (13.0) |
| FAQ score, mean (SD)b | 7.13 (5.79) | 7.29 (5.35) | 6.2 (4.71) | 6.32 (5.09) | 5.55 (5.45) |
Abbreviations: DRS-2: Dementia Rating Scale-2, MSS: memory support system, CDR: Clinical Dementia Rating, QoL-AD: Quality of life in Alzheimer’s Disease, CES-D: Center of Epidemiologic Studies Depression Scale, FAQ: Functional Assessment Questionnaire.
P values result from the Kruskal-Wallis test for numeric variables and either the Chi-square test or the Fisher exact test for categorical variables.
Information was not reported for the following variables: years of education (no computer exercises [n=1]); DRS-2 total raw score (no MSS [n=2], no wellness [n=1], and no yoga [n=7]); partner (no MSS [n=4]); QoL-AD score (no computer exercise [n=1], no wellness [n=3]); CES-D total score (no computer training [n=1], no wellness [n=3], no MSS [n=4]); Self-efficacy score (no computer exercise [n=1], no wellness education [n=3], no MSS [n=4]); FAQ total score (no support group [n=1], no wellness education [n=3], no MSS [n=4]); and current memory medications (no MSS [n=4], no wellness [n=3], no yoga [n=1])