Table 3.
Descriptive statistics for biophysical and lifestyle factors by study group1
| Immediate Intervention (n = 212) | Delayed Intervention (n = 207) | |||
| Mean (95% CI) | Median (25th, 75th) | Mean (95% CI) | Median (25th, 75th) | |
| 10-year CHD Risk (%) | 15 (13 16) | 11 (7 20) | 15 (14 16) | 11 (8 21) |
| BMI (kg/m2) | 34.5 (33.7 35.3) | 33.5 (29.1 38.6) | 34.4 (33.5 35.4) | 32.9 (29.0 37.8) |
| LDL-C (mg/dL) | 104 (100 108) | 102 (81 122) | 104 (100 108) | 103 (80 126) |
| HDL-C (mg/dL) | 45 (44 46) | 44 (37 52) | 46 (45 48) | 46 (38 54) |
| TC:HDL | 4.4 (4.3 4.6) | 4.2 (3.5 5.1) | 4.5 (4.3 4.7) | 4.0 (3.5 5.0) |
| TG (mg/dL) | 197 (185 209) | 177 (128 240) | 204 (191 216) | 174 (134 246) |
| TG:HDL | 4.8 (4.3 5.2) | 4.0 (2.8 5.9) | 4.9 (4.4 5.4) | 4.0 (2.7 5.8) |
| HbA1c | 6.9 (6.7 7.1) | 6.5 (5.5 7.9) | 6.8 (6.7 7.0) | 6.4 (5.7 7.7) |
| SBP (mmHg) | 133 (130 135) | 130 (120 144) | 135 (133 137) | 138 (120 146) |
| DBP (mmHg) | 80 (79 81) | 80 (70 88) | 79 (78 81) | 80 (70 86) |
| Fruits and Vegetables (#/day) | 3.4 (3.3 3.6) | 3.5 (2.7 4.2) | 3.4 (3.3 3.6) | 3.4 (2.4 4.3) |
| High Fat Foods (#/day) | 3.5 (3.3 3.7) | 3.3 (2.5 4.3) | 3.7 (3.5 3.9) | 3.5 (2.7 4.5) |
| Moderate and Vigorous Physical Activity (minutes/day)2 | 25 (18 33) | 12 (0 30) | 28 (20 37) | 12 (0 34) |
1None of the measures differed significantly by intervention groups at two-tailed P < .05.
2Calculated for participants with complete physical activity data (immediate intervention n = 141; delayed intervention n = 148). Abbreviations: BMI body mass index; LDL-C low density lipoprotein cholesterol; HDL-C high density lipoprotein cholesterol; TC total cholesterol; TG triglyceride; HbA1c hemoglobin A1c; SBP systolic blood pressure; DBP diastolic blood pressure.