Table 1.
Baseline Demographic Characteristics
Total (n=49) |
Low-Dose (n=23) | High-Dose (n=26) | p-value | |
---|---|---|---|---|
Age (years) | 64.53 (3.83) | 64.52 (4.37) | 64.54 (3.37) | 0.99 |
Race, % (#) | 0.34 | |||
White | 83.67 (41) | 91.30 (21) | 76.92 (20) | |
Black | 14.29 (7) | 8.70 (2) | 19.23 (5) | |
Other | 2.04 (1) | 0.00 (0) | 3.85 (1) | |
Education, % (#)a | 0.80 | |||
High School Graduate | 16.33 (8) | 13.04 (3) | 19.23 (5) | |
College 1 to 3 years | 28.57 (14) | 26.09 (6) | 30.77 (8) | |
College 4 years or more | 53.06 (26) | 56.52 (13) | 50.00 (13) | |
Household Income, % (#)a | 0.97 | |||
<$30,000 | 8.16 (4) | 8.70 (2) | 7.69 (2) | |
$30,000 – 49,999 | 16.33 (8) | 17.39 (4) | 15.38 (4) | |
$50,000 – 69,999 | 20.41 (10) | 17.39 (4) | 23.08 (6) | |
$70,000+ | 46.94 (23) | 47.83 (11) | 46.15 (12) | |
BMI (kg/m2) | 25.48 (3.57) | 26.34 (3.93) | 24.72 (3.11) | 0.11 |
VO2peak (ml/kg/min) | 19.76 (3.74) | 19.43 (3.25) | 20.05 (4.18) | 0.57 |
CES-D | 5.00 (5.01) | 5.17 (5.46) | 4.85 (4.68) | 0.82 |
Note. BMI = body mass index; CES-D = Center for Epidemiologic Studies Depression score; VO2peak = peak oxygen consumption. Values presented are means (standard deviations) unless otherwise stated. P-values were obtained from chi-square and t-tests, with statistical significance defined at the alpha < 0.05 level.
Indicates missing values which results in some percentages not totaling up to 100%.