Table 1.
Baseline characteristics of the Look AHEAD Accelerometry substudy participants
| Overall (n = 2400) | DSE (n = 1201) | ILI (n = 1199) | p-value* | |
|---|---|---|---|---|
| Age | 59.3 (6.85) | 59.5 (6.79) | 59.1 (6.92) | 0.25 |
| Sex (% female) | 1340 (55.8%) | 684 (57.0%) | 656 (54.7%) | 0.27 |
| Ethnicity (%) | 0.81 | |||
| African American | 471 (19.6%) | 240 (20.0%) | 231 (19.3%) | |
| Native American/Alaskan Native | 18 (0.75%) | 7 (0.58%) | 11 (0.92%) | |
| Asian/Pacific Islander | 17 (0.71%) | 7 (0.58%) | 10 (0.83%) | |
| Hispanic/Latino | 121 (5.04%) | 65 (5.41%) | 56 (4.67%) | |
| Non-Hispanic White | 1717 (71.6%) | 855 (71.2%) | 862 (72.0%) | |
| Other/multiple | 55 (2.29%) | 27 (2.25%) | 28 (2.34%) | |
| BMI | 36.1 (5.9) | 36.1 (5.7) | 36.1 (6.0) | 0.92 |
| Weight (kg) | 102.3 (19.0) | 102.1 (18.4) | 102.5 (19.5) | 0.59 |
| Waist circumference (cm) | 115.0 (14.5) | 114.8 (13.9) | 115.2 (15.0) | 0.53 |
| HbA1c (%) | 7.2 (1.1) | 7.3 (1.2) | 7.2 (1.1) | 0.02 |
| Duration of diabetes (years) | 6.9 (6.5) | 6.9 (6.3) | 6.8 (6.7) | 0.83 |
| Insulin use (% using) | 428 (17.8%) | 222 (18.5%) | 206 (17.2%) | 0.40 |
| History of CVD (%) | 364 (15.2%) | 175 (14.6%) | 189 (15.8%) | 0.42 |
| Fitness (max METs) | 7.1 (1.9) | 7.1 (2.0) | 7.1 (1.9) | 0.93 |
ILI=intensive lifestyle intervention; DSE=Diabetes Support and Education;
*
p-value for mean/proportional equivalence across groups