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Table 2 Descriptive statistics on recruitment

From: Is health research undertaken where the burden of disease is greatest? Observational study of geographical inequalities in recruitment to research in England 2013–2018

 

Primary care and trust data, CCG level

Primary care and trust data, LCRN level

Primary care data, CCG level

Recruitment rate*

Mean (SD), interquartile range (IQR) [25% and 75% centiles]

across CCGs/LCRNs

 All conditions

19.56, [5.74, 23.52]

19.56, [16.25, 22.67]

3.22, [1.19, 3.59]

 Mental health

8.26, [0.44, 13.83]

8.26, [6.31, 10.88]

0.77, [0.06, 0.68]

 Diabetes

14.61, [1.74, 15.12]

14.61, [10.82, 21.95]

2.65, [0.18, 3.21]

Recruitment redistribution index¥

% (Redistributed recruits/total recruits) × 100

 All conditions

43.3% (1,416,436/3,272,538)

12.0% (394,290/3,272,538)

36.2% (194,389/539,046)

 Mental health

53.3% (117,133/219,966)

12.6% (27,856/219,966)

58.9% (12,091/20,538)

 Diabetes

52.6% (115,949/220,647)

23.8% (52,473/220,647)

57.1% (22,838/40,030)

  1. *Recruitment rate is calculated as the number of recruits divided by the number of people within each disease group
  2. ¥Redistribution index is the sum across areas of the absolute value of the difference between the actual and the equitable number of recruits, divided by two