Characteristic | Quartile 1 (−37.7 to −4.1 kg) a (n = 455) | Quartile 2 (−4.1 to −2.0 kg) a (n = 458) | Quartile 3 (−2.0 to −0.1 kg) a (n = 450) | Quartile 4 (−0.1 to +21.3 kg) a (n = 455) | Total (N = 1830) |
---|---|---|---|---|---|
Male, n (%) | 223 (49.0) | 249 (54.4) | 257 (57.1) | 283 (62.2) | 1015 (55.5) |
Age (y), mean (SD) | 56 (9) | 57 (10) | 55 (10) | 54 (11) | 55 (10) |
Known diabetes duration (y), mean (SD) | 7 (6) | 7 (6) | 7 (6) | 6 (5) | 7 (6) |
Race, n (%) | Â | Â | Â | Â | Â |
  White | 320 (70.3) | 284 (62.0) | 245 (54.4) | 251 (55.2) | 1104 (60.3) |
  Black | 8 (1.8) | 9 (2.0) | 14 (3.1) | 16 (3.5) | 48 (2.6) |
  Hispanic | 32 (7.0) | 36 (7.9) | 34 (7.6) | 42 (9.2) | 147 (8.0) |
  Asian | 89 (19.6) | 123 (26.9) | 153 (34.0) | 142 (31.2) | 511 (27.9) |
  Other | 6 (1.3) | 6 (2.6) | 4 (0.9) | 4 (0.9) | 20 (1.1) |
Glucose-lowering background treatment, n (%)b | Â | Â | Â | Â | Â |
  Diet and exercise only | 72 (15.8) | 52 (11.4) | 72 (16.0) | 90 (19.8) | 291 (15.9) |
  Insulin | 3 (0.7) | 1 (0.2) | 3 (0.7) | 1 (0.2) | 8 (0.4) |
  Metformin | 373 (82.0) | 388 (84.7) | 355 (78.9) | 330 (72.5) | 1453 (79.4) |
  Thiazolidinedione | 22 (4.8) | 19 (4.1) | 27 (6.0) | 32 (7.0) | 100 (5.5) |
  Sulfonylurea | 172 (37.8) | 212 (46.3) | 207 (46.0) | 201 (44.2) | 798 (43.6) |
A1C (%), mean (SD) | 8.3 (1.0) | 8.4 (1.0) | 8.5 (1.1) | 8.7 (1.1) | 8.5 (1.1) |
FPG (mg/dL), mean (SD) | 167.0 (44.2) | 170.9 (45.7) | 170.9 (46.2) | 175.6 (50.8) | 171.2 (46.9) |
Body weight (kg), mean (SD) | 93.7 (21.0) | 85.3 (18.9) | 85.3 (19.1) | 87.7 (21.3) | 88.0 (20.4) |
BMI (kg/m2) | Â | Â | Â | Â | Â |
  Mean (SD) | 33.3 (5.7) | 30.8 (5.6) | 30.8 (5.3) | 30.9 (5.6) | 31.5 (5.6) |
  Category |  |  |  |  |  |
  <30 | 143 (31.4) | 222 (48.5) | 216 (48.0) | 217 (47.7) | 801 (43.8) |
  ≥30 | 310 (68.1) | 235 (51.3) | 228 (50.7) | 236 (51.9) | 1018 (55.6) |
  Missing | 2 (0.4) | 1 (0.2) | 6 (1.3) | 2 (0.4) | 11 (0.6) |
SBP (mm Hg), mean (SD) | 130.5 (14.8) | 131.6 (15.2) | 131.3 (14.3) | 129.9 (14.2) | 130.8 (14.7) |
DBP (mm Hg), mean (SD) | 78.6 (8.8) | 78.7 (9.2) | 80.1 (8.6) | 79.1 (9.2) | 79.1 (8.9) |
HR (beats per minute), mean (SD) | 74.1 (9.4) | 74.8 (9.1) | 75.2 (9.6) | 74.9 (9.8) | 74.7 (9.5) |
ALT (U/L), mean (SD)c | 32.8 (19.2) | 32.2 (19.1) | 33.4 (19.6) | 34.2 (21.8) | 33.1 (19.9) |
AST (U/L), mean (SD)d | 26.9 (12.8) | 25.9 (12.7) | 26.2 (11.2) | 26.4 (12.2) | 26.3 (12.2) |
Lipids (mg/dL), mean (SD) | Â | Â | Â | Â | Â |
  Total cholesterol | 176.7 (42.3) | 178.3 (43.4) | 177.2 (41.7) | 184.9 (43.2) | 179.3 (42.7) |
  LDL-C | 98.7 (34.7) | 99.5 (37.2) | 99.2 (34.5) | 104.3 (37.9) | 100.4 (36.0) |
  HDL-C | 43.9 (11.85) | 44.2 (11.54) | 44.9 (12.32) | 45.2 (12.52) | 44.5 (12.1) |
  Triglycerides | 183.0 (147.1) | 184.8 (147.0) | 175.5 (121.6) | 190.5 (141.4) | 183.5 (139.6) |