Table 1.
Change in Weight, Self-efficacy, and Behavior Measures at Baseline and 6 and 12 Months of Participants (n = 537) in Established and Established Plus DASH Groups of PREMIER Trial, Mean (SD)
| Baseline | 6 Months | 18 Months | |
|---|---|---|---|
| Body mass index (kg/m2) | 33.2 (5.9) | 31.2 (5.9) | 31.7 (6.2) |
|
| |||
| Weight (lb) | 210.9 (42.7) | 199.1 (42.5) | 201.2 (44.0) |
|
| |||
| Daily caloric intake (kcal) | 1,957.0 (638.0) | 1,687.4 (526.2) | 1,679.9 (522.5) |
|
| |||
| Daily servings of fruit and vegetable | 4.6 (2.4) | 6.5 (3.2) | 6.1 (3.3) |
|
| |||
| Percent of calories from fat (%) | 33.4 (7.8) | 26.6 (9.0) | 28.2 (8.7) |
|
| |||
| Weekly minutes of moderate to vigorous physical activity | 220.3 (333.5) | 274.9 (272.8) | 260.7 (284.5) |
|
| |||
| Cardiorespiratory fitness (beats/min) | 131.1 (14.6) | 121.8 (15.9) | 121.3 (16.4) |
|
| |||
| Dietary self-efficacy | |||
| Total sample | 119.7 (12.5) | 115.2 (15.0) | 114.6 (15.1) |
| Tertiles (based on baseline scores) | |||
| High | 132.1 (2.5) | 123.2 (13.2) | 122.0 (13.7) |
| Medium | 122.5 (3.3) | 115.2 (14.8) | 115.3 (12.9) |
| Low | 106.0 (9.3) | 108.3 (13.3) | 107.1 (14.6) |
|
| |||
| Exercise self-efficacy | |||
| Total sample | 49.6 (8.2) | 43.7 (10.6) | 43.3 (10.8) |
| Tertiles (based on baseline scores) | |||
| High | 57.8 (2.0) | 48.7 (9.3) | 47.5 (11.1) |
| Medium | 51.0 (2.1) | 44.6 (9.8) | 44.7 (9.6) |
| Low | 40.5 (6.8) | 38.6 (10.3) | 37.9 (9.6) |
DASH indicates Dietary Approaches to Stop Hypertension.