Table 1 Baseline (unless otherwise indicated) characteristics of LIFE Study subjects according to quartile of change in energy density from baseline to 18 months of follow-up (all values are percents or means in units listed)
From: Energy density and weight change in a long-term weight-loss trial
Quartile of Change in Energy Density from Baseline to 18 Months (N = 155) | ||||
|---|---|---|---|---|
1 | 2 | 3 | 4 | |
BMI (kg/m2) | 34.8 | 35.2 | 35.4 | 33.8 |
Age (years) | 50.4 | 50.1 | 49.4 | 50.6 |
Gender (% male) | 41.0 | 52.6 | 62.5 | 47.4 |
Ethnicity (% white) | 84.6 | 73.7 | 77.5 | 73.7 |
Treatment group (% randomized to MTT) | 33.3 | 63.2 | 52.5 | 52.6 |
Smokers (current/former) (%) | 43.6 | 36.8 | 47.5 | 31.6 |
More than HS education (%) | 100 | 97.4 | 100 | 97.4 |
Energy density at baseline (kcals/g) | 3.56 | 2.89 | 2.74 | 2.62 |
Energy density at 18 months (kcals/g) | 2.26 | 2.30 | 2.48 | 2.85 |
Energy at baseline (kcals/day) | 2003 | 1832 | 1691 | 1457 |
Quantity of food at baseline (g/day) | 568 | 635 | 627 | 581 |
Physical activity at baseline (kcals/week) | 771 | 1021 | 965 | 986 |
Physical activity at 18 months (kcals/week) | 1848 | 2142 | 1736 | 1542 |
Vegetables (servings/day)a | 1.65 | 2.18 | 2.63 | 2.73 |
Fruit (servings/day)a | 0.41 | 0.49 | 0.71 | 0.78 |
Percent of Energy from Fat | 49.2 | 47.5 | 46.1 | 44.6 |
Fiber (g/day)a | 12.5 | 14.4 | 16.0 | 15.9 |