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Table 1 Recruitment rates for the 10 sites

From: How can we successfully recruit depressed people? Lessons learned in recruiting depressed participants to a multi-site trial of a brief depression intervention (the ‘CLASSIC’ trial)

Site

Enquiries: telephone or email (n)

Introductory talks (n)

Ineligible: scoring below 14 on BDI, n (%)

Ineligible: not meeting other criteria, n (%)

Experimental group (n)

Control group (n)

Total number (%) recruited and randomised

GP non-consulters, n (%)

Lewisham

128

94

22 (23.4%)

23 (24.5%)

26

23

49 (52.1%)

13 (26.5%)

Wandsworth

84

61

13 (21.3%)

0 (0%)

24

24

48 (78.7%)

9 (18.8%)

Merton

68

57

16 (28.1%)

3 (5.3%)

19

19

38 (66.7%)

17 (44.7%)

Total before pause

280

212

51 (24.1%)

26 (12.3%)

69

66

135 (63.7%)

39 (28.9%)

After pause and review of procedures

 Croydon

150

93

15 (16.1%)

5 (5.3%)

36

37

73 (78.5%)

21 (28.8%)

 Lambeth

90

58

10 (17.2%)

14 (24.1%)

17

17

34 (58.6%)

9 (27.3%)a

 Bexley

89

70

8 (11.4%)

11 (15.7%)

26

25

51 (72.9%)

11 (21.6%)

 Greenwich

124

85

11 (12.9%)

25 (29.4%)

24

25

49 (57.6%)

8 (16.3%)

 Kingston

105

75

13 (17.3%)

17 (22.7%)

22

23

45 (60.0%)

9 (20.0%)

 Lewisham 2

92

63

8 (12.7%)

21 (33.3%)

16

18

34 (54.0%)

7 (20.6%)

 Croydon 2

112

78

24 (30.8%)

16 (20.5%)

18

20

38 (48.7%)

8 (21.1%)

 Total after pause

762

522

89 (17.0%)

109 (20.9%)

159

165

324 (62.1%)

73 (22.5%)

Total

1042

734 (70.4%)

140 (19.1%)

135(18.3%)

228

231

459 (62.5%)

112 (24.5%)a

  1. BDI Beck Depression Inventory, GP general practitioner
  2. aOne participant withdrew, so data for 458 participants are included, withdrawal was from Lambeth, so percentage for that site was calculated as 9/33 and overall percentage calculated as 112/458