Table 1 Baseline characteristics of completers and non-completers
Characteristic | Completers (n = 237) mean (SD) | Non-completers (n = 74) mean (SD) | P value |
|---|---|---|---|
Age (yr) | 56.7 (8.7) | 57.2 (9.5) | 0.705 |
Weight (kg) | 91.7 (17.7) | 95.3 (19.6) | 0.145 |
Body-mass index (kg/m2) | 33.5 (5.9) | 34.7 (6.9) | 0.144 |
Waist circumference (cm) | 104.9 (13.0) | 109.6 (14.9) | 0.009 |
Hip circumference (cm) | 115.7 (12.5) | 117.6 (13.9) | 0.257 |
Plasma glucose (mmol/l) | |||
Fasting | 5.53 (0.54) | 5.46 (0.51) | 0.298 |
2 Hr oral glucose challenge | 6.71 (1.68) | 6.61 (1.72) | 0.644 |
Serum lipids (mmol/l) | |||
Total cholesterol | 5.67 (1.15) | 5.42 (0.98) | 0.102 |
Low-density lipoprotein cholesterol | 3.44 (0.99) | 3.25 (0.80) | 0.097 |
High-density lipoprotein cholesterol | 1.34 (0.37) | 1.26 (0.34) | 0.082 |
Triglycerides | 1.94 (1.05) | 2.02 (1.14) | 0.569 |
Blood pressure (mm Hg) | |||
Systolic | 132.1 (17.1) | 135.0 (18.8) | 0.216 |
Diastolic | 81.0 (9.9) | 82.6 (11.7) | 0.265 |
HADS anxiety | 3.6 (3.3) | 5.4 (4.0) | <0.0005 |
HADS depression | 2.8 (2.9) | 4.1 (3.9) | 0.014 |
Kessler 10 (psychological distress) | 15.3 (5.4) | 19.0 (8.0) | <0.0005 |
SF-36 v2 | |||
Physical functioning | 78.3 (18.6) | 66.3 (26.3) | 0.001 |
Role limitation physical | 78.6 (22.4) | 67.3 (29.6) | 0.008 |
Bodily pain | 63.0 (23.9) | 57.8 (27.5) | 0.107 |
General health perception | 65.9 (18.6) | 61.0 (18.9) | 0.034 |
Vitality | 56.4 (19.2) | 50.1 (23.8) | 0.023 |
Social functioning | 83.2 (20.3) | 75.2 (27.3) | 0.055 |
Role limitation emotional | 85.4 (21.0) | 76.9 (27.3) | 0.026 |
Mental health | 75.7 (17.0) | 66.5 (20.5) | <0.0005 |
Years of education | 12.1 (3.4) | 10.7 (3.1) | 0.002 |