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Table 3 Trends in the redistribution of recruits over time, 2013–2018

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

Year

CCG (primary care and Trust data)

CCG (primary care data only)

LCRN (primary care and Trust data)

LCRN (primary care data only)

All conditions

 2013–2014

46%

39%

9%

18%

 2014–2015

44%

44%

15%

19%

 2015–2016

44%

45%

13%

19%

 2016–2017

45%

42%

14%

18%

 2017–2018

43%

42%

11%

24%

 Trend†

−0.60

0.41

0.25

1.00

Mental health

 2013–2014

56%

75%

22%

54%

 2014–2015

59%

72%

21%

46%

 2015–2016

57%

72%

13%

50%

 2016–2017

59%

69%

16%

40%

 2017–2018

56%

53%

13%

31%

 Trend†

0.04

−4.86

−2.22

−5.08

Diabetes

 2013–2014

56%

58%

36%

28%

 2014–2015

55%

67%

25%

47%

 2015–2016

59%

72%

26%

52%

 2016–2017

57%

74%

26%

52%

 2017–2018

60%

74%

27%

62%

 Trend†

1.08

4.04

−1.65

7.13

  1. † Trend parameter represents the linear trend in the redistribution index. All trends are statistically significant (full data are presented in Additional file 1, Appendix 4). Patients can be redistributed from over-recruiting areas to under-recruiting areas and vice versa according to the direction and magnitude of effects. A positive trend indicates that the percentage of recruits needing re-distribution is increasing (i.e. that alignment between recruitment and prevalence is worse)