Table 3.
Baseline characteristics of participating practices
| Practice level | Control (n = 16) | Intervention (n = 12) |
| Single handed | 1 | 3 |
| Duo practice | 0 | 0 |
| Group practice | 15 | 9 |
| Rural area | 6 | 3 |
| Urban area | 10 | 9 |
| Deprivation score | 24.7 (9.8) | 26.2 (12.0) |
| Practice list size | 5968 (3543–13,390) | 4065 (2191–7373) |
| Patient level | ||
| Weight (kg) | [n = 20,955] 86.1 (17.9) | [n = 12,171] 87.0 (18.1) |
| BMI (kg/m2) | [n = 8948] 30.2 (5.4) | [n = 4481] 30.5 (5.8) |
| Waist circumference (cm) | [n = 1922] 98.5 (13.0) | [n = 818] 101.6 (18.0) |
| Age | [n = 32079] 50.1 (18.6) | [n = 17728] 53.4 (17.8) |
| Sex | ||
| Male | 32,538 (47.5 %) | 17,675 (47.6 %) |
| Female | 35,969 (52.5 %) | 19,476 (52.4 %) |
| Ethnicity | ||
| White | 21,451 (65.6 %) | 14,972 (72.9 %) |
| South Asian | 5474 (16.7 %) | 2184 (10.6 %) |
| Black | 2055 (6.3 %) | 1367 (6.7 %) |
| Mixed | 650 (2.0 %) | 399 (1.9 %) |
| Other | 3060 (9.4 %) | 1626 (7.9 %) |
| Comorbidities | ||
| Ischaemic heart disease | 2226 (6.9 %) | 1405 (7.9 %) |
| Hypertension | 8647 (27.0 %) | 5205 (29.3 %) |
| Disorder of lipid and lipoprotein metabolism | 3315 (10.3 %) | 1919 (10.8 %) |
| Cerebrovascular disease | 1315 (4.1 %) | 857 (4.8 %) |
| Diabetes | 5371 (16.7 %) | 3264 (18.4 %) |
| Highest BMI classification throughout the trial | ||
| Number of patients with a BMI | 35,686 | 19,847 |
| Number overweight or obese | 32,079 (89.9 %) | 17,728 (89.3 %) |
| Overweight | 17,136 (48.0 %) | 8960 (45.1 %) |
| Obese | 14,943 (41.9 %) | 8768 (44.2 %) |
Numbers presented are xx (xx.x) = mean (SD) or xx (xx.x%) = frequency (%) or xx (xx − xx) median (IQR)