Table 1.
Participant demographics and clinical characteristics.
| Baseline descriptorsa | HIIT (n = 65) | MCT (n = 63) | Total (n = 128) | p-valueb |
|---|---|---|---|---|
| Demographics | ||||
| Age, yr | 71.7 (6.3) | 70.4 (7.1) | 71.1 (6.7) | 0.27 |
| Females, n (%) | 32 (49.2) | 29 (46.0) | 61 (47.7) | 0.85 |
| Caucasian, n (%) | 56 (86.2) | 57 (90.5) | 113 (88.3) | 0.76 |
| Education, yr | 16 (3.2) | 16.6 (3.6) | 16.3 (3.4) | 0.38 |
| MoCA, score | 26.9 (1.6) | 26.8 (1.5) | 26.8 (1.6) | 0.81 |
| MMSE, score | 29.2 (1.1) | 29.2 (1.0) | 29.2 (1.0) | 0.96 |
| CES-D, score | 9.0 (7.3) | 8.8 (7.1) | 8.9 (7.2) | 0.83 |
| IADL | 7.9 (0.3) | 7.9 (0.3) | 7.9 (0.3) | |
| Height, cm | 166.7 (9.2) | 167.7 (11.3) | 167.2 (10.3) | 0.57 |
| Weight, kg | 81.5 (17.1) | 85.4 (21.5) | 83.4 (19.4) | 0.25 |
| BMI, kg/m2 | 29.3 (5.8) | 30.3 (6.5) | 29.8 (6.2) | 0.38 |
| Diagnosed comorbidities, n (%) | ||||
| Hypertension | 51 (78.5) | 49 (77.8) | 100 (78.1) | 1.00 |
| Arthritis | 23 (35.4) | 25 (39.7) | 48 (37.5) | 0.75 |
| Diabetes | 11 (16.9) | 13 (20.6) | 24 (18.8) | 0.76 |
| Depression | 4 (6.2) | 12 (19.0) | 16 (12.5) | 0.053 |
| Medication usage, n (%) | ||||
| Blood pressure | 53 (81.5) | 53 (84.1) | 106 (82.8) | 0.88 |
| Cholesterol | 31 (47.7) | 33 (52.4) | 64 (50.0) | 0.72 |
| Diabetes | 9 (13.8) | 13 (20.6) | 22 (17.2) | 0.43 |
| Depression | 6 (9.2) | 11 (17.5) | 17 (13.3) | 0.27 |
| Arthritis | 6 (9.2) | 5 (7.9) | 11 (8.6) | 1.00 |
| Blood thinners | 3 (4.6) | 4 (4.8) | 7 (5.5) | 0.97 |
a
Data presented as mean (standard deviation) unless otherwise indicated.
b
Significance for independent samples t-test for continuous variables, or Chi-square test for independence for categorical variables. HIIT, high-intensity interval training; MCT, moderate-intensity continuous training; MoCA, Montreal Cognitive Assessment; MMSE, Mini-Mental State Examination; CES-D, Center for Epidemiologic Studies Depression Scale; IADL, Instrumental Activities of Daily Living Scale.