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Table 1 Participant characteristics at baseline (n (%) unless indicated)

From: The community-based prevention of diabetes (ComPoD) study: a randomised, waiting list controlled trial of a voluntary sector-led diabetes prevention programme

 Control
n = 157 unless indicated
Intervention
n = 157 unless indicated
Total sample
n = 314 unless indicated
Stratification & minimisation variables
SiteExeter86 (55)84 (54)170 (54)
 Birmingham71 (45)73 (47)144 (46)
Gender (men)69 (44)68 (43)137 (44)
Age categories18–54 years39 (25)39 (25)78 (25)
 55–64 years43 (27)45 (29)88 (28)
 65–75 years75 (48)73 (47)148 (47)
BMI categories23–29.99 kg/m2=65 (41)64 (41)129 (41)
 30–36.99 kg/m272 (46)72 (46)144 (46)
 37–45 kg/m220 (13)21 (13)41 (13)
Socio-demographic & socio-economic characteristics
Mean (SD) age (years)61.29 (9.86)61.46 (9.99)61.38 (9.91)
EthnicityWhite British107 (68)124 (79)231 (74)
 White other10 (6)2 (1)12 (4)
 Asian26 (17)20 (13)46 (15)
 Black12 (8)10 (6)22 (7)
 Mixed2 (1)1 (1)3 (1)
Employment statusRetired73 (47)79 (50)152 (48)
 Employed/self employed65 (41)56 (36)121 (39)
 Unemployed12 (8)13 (8)25 (8)
 Long-term sick/disabled2 (1)3 (2)5 (2)
 Carer1 (1)4 (3)5 (2)
 Other4 (3)2 (1)6 (2)
Level of educationPrimary5 (3)a2 (1)7 (2)b
 Some secondary5 (3)a2 (1)7 (2)b
 Secondary to 16 years52 (33)a50 (32)102 (33)b
 Secondary to 18 years10 (6)a11 (7)21 (7)b
 Additional training47 (30)a59 (38)106 (34)b
 Undergraduate24 (15)a22 (14)46 (15)b
Postgraduate13 (8)a11 (7)24 (8)b
Median (IQR) Index of Multiple Deprivation score (IMD)20.38 (21.33)19.42 (21.72)19.75* (21.19)
IMD quintiles1 most deprived16 (10)21 (13)37 (12)
 232 (20)33 (21)65 (21)
 335 (22)39 (25)74 (24)
 442 (27)32 (20)74 (24)
 5 least deprived32 (20)32 (20)64 (20)
Clinical characteristics
Any long term condition114 (73)115 (74)c229 (73)d
Smoking13 (8)22a (14)35b (11)
Disability20 (13)19 (12)39 (12)
Mean (SD) weight (kg)86.82 (13.37)87.74 (16.76)87.28 (15.14)
Mean (SD) HbA1c (mmol/mol) from point-of-care test39.69 (2.73)39.88 (3.06)39.79 (2.90)
HbA1c in non-diabetic hyperglycaemia range (42–47 mmol/mol) from point-of-care test42 (27)45 (29)87 (28)
  1. *Compared to 17.4 for England [57]
  2. an = 156; bn = 313; cn = 155; dn = 312