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Table 3 Baseline characteristics of participating practices

From: Cluster randomised trial of a tailored intervention to improve the management of overweight and obesity in primary care in England

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 %)
  1. Numbers presented are xx (xx.x) = mean (SD) or xx (xx.x%) = frequency (%) or xx (xx − xx) median (IQR)