Table 1

 Characteristics of participants at baseline according to intervention arm. Values are numbers (percentages) unless stated otherwise

CharacteristicsWeight Watchers (n=100)Slimming World (n=100)Rosemary Conley (n=100)Size Down (n=100)General practice (n=70)Pharmacy (n=70)Choice (n=100)Exercise/comparator (n=100)
Male sex28 (28)35 (35)31 (31)36 (36)23 (33)19 (27)30 (30)25 (25)
Mean (SD) age (years)50.71 (14.56)48.84 (14.91)49.76 (14.51)48.75 (15.63)50.48 (13.79)48.94 (15.82)47.45 (14.35)49.67 (13.83)
Ethnic group:
 White British/Irish87 (87)88 (88)83 (83)91 (91)63 (90)61 (87)83 (83)84 (84)
 South Asian1 (1)3 (3)03 (3)001 (1)3 (3)
 Black British/Caribbean/African5 (5)5 (5)12 (12)3 (3)4 (6)6 (9)10 (10)9 (9)
  Mixed and other7 (7)4 (4)5 (5)3 (3)3 (4)3 (4)6 (6)4 (4)
Mean (SD) index of multiple deprivation31.33 (12.6)33.27 (15.4)35.82 (14.9)32.48 (14.2)32.19 (15.7)35.06 (15.1)31.69 (14.2)30.46 (13.9)
Mean (SD) starting weight (kg)93.47 (14.15)94.35 (13.38)93.72 (13.68)95.47 (17.88)92.04 (14.75)92.81 (13.71)91.72 (12.49)93.14 (15.13)
Mean (SD) starting BMI (kg/m2)33.96 (3.9)33.83 (3.8)33.38 (3.5)33.77 (3.9)33.06 (3.5)33.44 (3.5)33.41 (3.4)33.88 (4.4)
Starting BMI (kg/m2):
 <3012 (12)11 (11)17 (17)14 (14)11 (16)9 (13)14 (14)14 (14)
 30-3451 (51)51 (51)49 (49)51 (51)39 (56)35 (50)54 (54)48 (48)
 35-3929 (29)32 (32)27 (27)27 (27)18 (26)20 (29)28 (28)25 (25)
 ≥408 (8)5 (5)4 (4)5 (5)2 (3)3 (4)4 (24)6 (6)
Median (IQR) physical activity (kcals/week)614 (0-1447)687 (0-1422)386 (0-1121)758 (0-1565)530 (0-1733)457 (0-1481)571 (0-1427)474 (0-1168)
Median (IQR) moderate/vigorous physical activity (minutes/week)0 (0-0)0 (0-26.25)0 (0-0)0 (0- 0)0 (0- 0)0 (0- 60)0 (0- 0)0 (0- 0)
Weight loss drug at baseline3 (3)4 (4)3 (3)2 (2)1 (1)3 (4)3 (3)3 (3)

BMI=body mass index; IQR=interquartile range.