Table 1 Baseline characteristics by treatment group
Total Sample (N = 195) | Large Group (N = 112) | Small Group (N = 83) | |
|---|---|---|---|
Age (y) [m ± sd] | 46.3 ± 10.8 | 45.0 ± 10.4 | 48.2 ± 11.1 |
Female [n (%)] | 176 (90.3%) | 102 (91.1) | 74 (89.2) |
Education1 | |||
High school or less | 19 (9.8) | 12 (10.8) | 7 (8.4) |
Some college | 80 (41.2) | 39 (35.1) | 41 (49.4) |
College graduate or beyond | 95 (49.0) | 60 (54.1) | 35 (42.2) |
Race or ethnic group | |||
White | 88 (45.1) | 58 (51.8) | 30 (36.1) |
Black | 101 (51.8) | 52 (46.4) | 49 (59.0) |
Other | 6 (3.1) | 2 (1.8) | 4 (4.8) |
Married or living with partner | 124 (63.6) | 70 (62.5) | 54 (65.1) |
Current smoker | 15 (7.7) | 7 (6.3) | 8 (9.6) |
Medications2 | 82 (42.1) | 44 (39.3) | 38 (45.8) |
Weight (kg) | 103.7 ± 27.1 | 102.7 ± 23.7 | 105.0 ± 31.3 |
BMI (kg/m2) | 37.9 ± 8.4 | 37.6 ± 8.0 | 38.3 ± 8.9 |
Systolic blood pressure (mm Hg) | 127.4 ± 14.7 | 126.5 ± 14.6 | 128.6 ± 15.0 |
Diastolic blood pressure (mm Hg) | 75.1 ± 10.7 | 74.0 ± 11.1 | 76.5 ± 9.9 |
Total cholesterol (mg/dL) | 188.0 ± 35.1 | 186.0 ± 34.8 | 190.8 ± 35.7 |
HbA1c | 5.6 ± 0.6 | 5.6 ± 0.7 | 5.7 ± 0.6 |
Enrolled with friends/family | 134 (68.7) | 75 (67.0) | 59 (71.1) |