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Table 1 Demographic information of all participants consented during the NHS-DPP course observations at each site

From: The NHS Diabetes Prevention Programme: an observational study of service delivery and patient experience

  No. of facilitators No. of patients No. of family members Median group size SES profile (IMD)a Ethnicity profile (% white)b
Provider A
 Site A1 5 86 3 12 2 15%
 Site A2 2 95 2 14 2, 3c 75, 65%c
 Provider A total: 7 181 5    
Provider B
 Site B1 6 43 2 17 2 45%
 Site B2 6 23 3 15 3 96%
 Provider B total: 12 66 5    
Provider C
 Site C1 2 52 3 12 6 91%
 Site C2 7 34 2 10.5 1 54%
 Provider C total: 9 86 5    
Provider D
 Site D1 5 37 4 8 2 65%
 Site D2 3 28 2 6 2 88%
 Provider D total: 8 65 6    
Overall consented: 36 398 21    
  1. aIMD, Index of Multiple Deprivation Scores associated with the lower super output area derived from venue postcodes, ranging from 1 (representing the 10% most deprived areas in England) to 10 (representing the 10% least deprived areas in England). Information obtained from Department for Communities and Local Government [20]
  2. bInformation on ethnicity for each geographical site was obtained from The Office of National Statistics [21], taken from Census 2011
  3. cSite A2 has two values for IMD and ethnicity profile as researchers attended two sites for the group observations