Table 1.
Baseline demographic and clinical characteristics of participants
| Variable | Active (n = 12) | Sham (n = 14) | t or χ2 | df | p-value |
|---|---|---|---|---|---|
| Age | 68.3 (5.9) | 69.0 (5.0) | 0.32 | 22 | 0.75 |
| Sex (M:F) | 5:9 | 9:3 | 4.01 | 1 | 0.05 |
| Race (Caucasian:Other) | 9:5 | 8:2 | 1.43 | 3 | 0.70 |
| MoCA | 26.4 (2.3) | 26.5 (2.1) | 0.1 | 24 | 0.92 |
| WTAR Standard Score | 116.4 (6.8) | 120.4 (4.4) | 1.74 | 18.35 | 0.10 |
| NIH Toolbox Fluid Cognition Composite scorea | 42.5 (9.32) | 47.5 (8.2) | 1.42 | 22 | 0.17 |
| Word List Total Recall | 26.5 (5.1) | 27.1 (5.0) | 0.34 | 23 | 0.74 |
| Word List Delayed Recall | 6.1 (1.9) | 4.6 (2.9) | − 1.45 | 23 | 0.16 |
| CAMS-R | 29.8 (5.7) | 31.1 (4.7) | 0.65 | 24 | 0.52 |
| PROMIS Depression | 19.9 (6.5) | 19.6 (4.0) | − 0.17 | 24 | 0.87 |
| PROMIS Anxiety | 20.1 (4.6) | 20.7 (5.2) | 0.33 | 24 | 0.75 |
| PROMIS Ability to Participate in Social Roles | 23.9 (6.5) | 23.6 (7.2) | − 0.10 | 24 | 0.92 |
| PROMIS Satisfaction with Social Roles | 26.4 (6.0) | 22.6 (7.7) | − 1.38 | 24 | 0.18 |
Except for education and gender, values are listed as mean (SD)
t, independent-samples t-test; χ2, Chi-square test; df, degrees of freedom; MoCA, Montreal Cognitive Assessment; WTAR, Wechsler Test of Adult Reading; PROMIS, Patient-Reported Outcomes Measurement Information System; NIH, National Institute of Health; CAMS-R, Cognitive and Affective Mindfulness Scale
aT score corrected for age, education, gender, and race; standardized based on a mean of 50 and a SD of 10