Table 1.
Baseline characteristics by intervention group in the POWER-UP Trial (n = 390).
| Characteristic | Usual Care (n=130) |
Brief LC (n=131) |
Enhanced Brief LC (n=129) |
All (n=390) |
|---|---|---|---|---|
| Women, n (%) | 98 (75.4) | 110 (84.0) | 103 (79.8) | 311 (79.7) |
| Race/Ethnicity1 | ||||
| White, n (%) | 81 (62.3) | 75 (57.3) | 74 (57.4) | 230 (59.0) |
| African-American, n (%) | 46 (35.4) | 52 (39.7) | 52 (40.3) | 150 (38.5) |
| Hispanic, n (%) | 6 (4.6) | 6 (4.6) | 6 (4.7) | 18 (4.6) |
| Age, yr | 51.7 (12.1) | 52.0 (12.2) | 51.0 (10.1) | 51.5 (11.5) |
| Weight, kg | 111.2 (20.0)2 | 106.3 (17.3) | 105.4 (17.2) | 18 (4.6) |
| BMI, kg/m2 | 39.0 (4.8) | 38.5 (4.6) | 37.8 (4.7) | 38.5 (4.7) |
| Waist circumference, cm | 119.8 (13.9)2 | 117.1 (11.9) | 115.9 (11.7) | 117.6 (12.6) |
| Total cholesterol, mg/dl | 181.7 (46.8) | 185.5 (35.9) | 189.1 (35.5) | 185.5 (39.7) |
| Triglycerides, mg/dl | 120.5 (58.9) | 120.7 (69.5) | 111.5 (59.4) | 117.5 (62.7) |
| LDL cholesterol, mg/dl | 112.1 (38.7) | 116.0 (31.0) | 118.1 (31.3) | 115.4 (33.8) |
| HDL cholesterol, mg/dl | 44.0 (12.7) | 45.4 (12.9) | 48.6 (14.9) | 46.0 (13.6) |
| Non-HDL cholesterol, mg/dl | 150.6 (42.2) | 155.0 (36.8) | 148.0 (33.3) | 151.2 (37.7) |
| Total/HDL cholesterol ratio | 4.8 (1.6) | 4.8 (1.6) | 4.5 (1.3) | 4.7 (1.5) |
| Glucose, mg/dl | 112.3 (40.1)2 | 106.2 (32.2) | 96.3 (22.5) | 104.9 (32.9) |
| Insulin, uU/ml | 12.8 (8.5) | 13.8 (11.2) | 14.0 (10.1) | 13.5 (10.0) |
| HOMA | 3.3 (2.3) | 3.4 (2.6) | 3.6 (3.7) | 3.4 (2.9) |
| hs-CRP, mg/l | 8.1 (6.5) | 7.1 (5.9) | 6.6 (6.8) | 7.3 (6.4) |
| Systolic blood pressure, mm Hg | 120.9 (18.4) | 122.8 (15.6) | 120.5 (14.7) | 121.4 (16.3) |
| Diastolic blood pressure, mm Hg | 76.0 (10.4) | 75.9 (11.3) | 76.5 (9.7) | 76.2 (10.4) |
| Blood pressure medication | 43 (33.1) | 42 (32.1) | 44 (34.1) | 129 (33.1) |
| Lipid-lowering medication | 81 (62.3) | 77 (58.8) | 83 (64.3) | 241 (61.8) |
| Current smoking, n (%) | 10 (7.7) | 16 (12.3) | 12 (9.3) | 38 (9.8) |
Note: For all continuous variables, values shown are means (SD); p>0.05 for all comparisons unless otherwise noted.
1
Race and ethnicity were self-reported.
2
P<0.05 for the comparison between Usual Care and Enhanced Brief LC.