Table 1.
Baseline characteristics of participants assigned to a total replacement diet (TDR) programme or usual care. Values are means (standard deviations) unless stated otherwise
| Characteristics | Usual care group (n=140)* | TDR group (n=138)* |
|---|---|---|
| Age (years) | 47.4 (12.8) | 48.2 (11.5) |
| Sex: | ||
| No (%) women | 84 (60) | 81 (60.5) |
| No (%) men | 54 (39) | 53 (40) |
| Ethnicity: | ||
| No (%) white British | 119 (86) | 121 (90) |
| No (%) not white British | 19 (14) | 13 (10) |
| Index of multiple deprivation 10th† | 7.3 (2.0) | 7.6 (2.0) |
| Weight (kg) | 105.2 (20) | 107.9 (18.9) |
| Height (cm) | 168.7 (9.7) | 169.2 (9.5) |
| Body mass index | 36.8 (5.1) | 37.6 (5.7) |
| Waist circumference (cm) | 115.0 (12.5) | 116.4 (13.5) |
| Body fat (%) | 42.1 (7.7) | 43.0 (7.8) |
| Blood pressure (mm Hg): | ||
| Systolic | 130.1 (15.8) | 130.6 (16.4) |
| Diastolic | 81.3 (9.9) | 83.1 (9.7) |
| No (%) with medical condition: | ||
| Type 2 diabetes | 20 (14) | 21 (16) |
| Hypertension | 30 (22) | 33 (25) |
| HbA1c (mmol/mol) | 38.6 (10.9) | 39.6 (12.4) |
| Fasting blood glucose (mmol/L) | 5.6 (1.9) | 5.9 (2.4) |
| Fasting insulin (pmol/L) | 105.3 (85.7) | 96.4 (48.1) |
| Cholesterol (mmol/L): | ||
| Total | 5.1 (1.1) | 5.1 (1.1) |
| High density lipoprotein | 1.2 (0.4) | 1.2 (0.3) |
| Low density lipoprotein | 3.2 (0.9) | 3.2 (0.9) |
| Triglycerides (mmol/L) | 1.6 (0.9) | 1.6 (0.8) |
*
Two people in the usual care group and four in the TDR group withdrew consent for use of data after randomisation.
†
Indicator of deprivation, with first 10th being most deprived and fifth 10th least deprived.