Table 2.
Look AHEAD |
DPP |
|||||
---|---|---|---|---|---|---|
Characteristics | Total (N = 2,116) | Comparison (N = 475) | Lifestyle (N = 1,641) | Total (N = 834) | Comparison (N = 201) | Lifestyle (N = 633) |
Women (%) |
1,224 (58.0) |
291 (61.3) |
933 (56.9) |
544 (65.2) |
139 (69.2) |
405 (64.0) |
Age (years) |
59.2 (6.8) |
59.3 (6.7) |
59.2 (6.9) |
51.7 (11.0) |
50.5 (9.6) |
52.1 (11.4) |
Ethnicity (%) |
||||||
African American |
291 (13.8) |
61 (12.8) |
230 (14.0) |
136 (16.3) |
33 (16.4) |
103 (16.3) |
American Indian/Alaskan Nativea |
40 (1.9) |
11 (2.3) |
29 (1.8) |
17 (2.0) |
2 (1.0) |
15 (2.4) |
Asian/Pacific Islander |
14 (0.7) |
1 (0.2) |
13 (0.8) |
45 (5.4) |
5 (2.5) |
40 (6.3) |
Non-Hispanic white |
1,518 (72.0) |
350 (74.0) |
1,168 (71.0) |
486 (58.3) |
129 (64.2) |
357 (56.4) |
Hispanic/Latino |
220 (10.4) |
43 (9.1) |
177 (10.8) |
150 (18.0) |
32 (15.9) |
118 (18.6) |
Other (multiple) |
33 (1.6) |
9 (1.9) |
24 (1.5) |
— |
— |
— |
BMI (kg/m2) |
36.1 (6.1) |
36.9 (6.0) |
35.9 (6.1) |
33.7 (6.4) |
34.5 (6.7) |
33.4 (6.3) |
Weight (kg) |
||||||
Overall |
||||||
Baseline |
102.0 (19.8) |
103.8 (20.1) |
101.4 (20.0) |
93.7 (19.9) |
95.5 (20.2) |
93.1 (19.8) |
Year 1 |
91.8 (18.5) |
96.7 (18.8) |
90.4 (18.2) |
84.9 (18.5) |
88.8 (19.4) |
83.6 (18.0) |
Women |
||||||
Baseline |
95.9 (17.8) |
97.6 (18.4) |
95.3 (17.6) |
91.4 (20.0) |
93.2 (19.4) |
90.8 (20.2) |
Year 1 |
86.6 (16.8) |
91.0 (17.2) |
85.2 (16.4) |
82.8 (18.6) |
86.5 (19.1) |
81.5 (18.3) |
Men |
||||||
Baseline |
110.3 (19.0) |
113.4 (18.9) |
109.5 (20.0) |
97.9 (19.0) |
100.7 (21.0) |
97.2 (18.4) |
Year 1 |
98.9 (18.4) |
105.8 (17.6) |
97.1 (18.2) |
88.9 (17.5) |
94.0 (19.4) |
87.5 (16.7) |
Weight regain (kg)† |
||||||
Overall |
||||||
Year 2 |
2.4 (5.2) |
0.6 (6.4) |
2.9 (4.6) |
2.0 (4.2) |
2.7 (4.9) |
1.7 (4.0) |
Year 3 |
3.7 (7.2) |
1 (8.1) |
4.5 (6.7) |
3.3 (5.8) |
4.2 (6.4) |
3.0 (5.6) |
Year 4 |
4.2 (8.0) |
1.4 (8.5) |
5.1 (7.7) |
4.3 (7.7) |
4.6 (9.2) |
4.2 (7.2) |
Women |
||||||
Year 2 |
2.1 (5.3) |
0.2 (6.7) |
2.7 (4.6) |
2.1 (4.4) |
2.9 (5.0) |
1.8 (4.2) |
Year 3 |
3.4 (7.1) |
0.4 (8.9) |
4.4 (6.1) |
3.5 (6.2) |
4.2 (6.9) |
3.3 (6.0) |
Year 4 |
3.8 (8.1) |
0.7 (9.2) |
4.8 (7.5) |
4.9 (8.4) |
4.4 (10.0) |
5.1 (7.7) |
Men |
||||||
Year 2 |
2.7 (5.0) |
1.3 (6.0) |
3.0 (4.7) |
1.7 (3.8) |
2.2 (4.7) |
1.6 (3.6) |
Year 3 |
4.1 (7.4) |
2.0 (6.7) |
4.7 (7.4) |
2.8 (4.9) |
4.2 (5.3) |
2.4 (4.8) |
Year 4 | 4.9 (7.8) | 2.4 (7.2) | 5.5 (7.8) | 3.3 (6.1) | 5.2 (5.9) | 2.9 (6.2) |
All variables summarized in mean (SD) format, unless indicated otherwise.
aThe number of American Indian participants included in this study is lower than the parent Look AHEAD trial due to lack of institutional review board approval.
†Weight regain calculated as Yj weight – Y1 weight (kg) for j = 2, 3, 4.