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Table 2 Recruitment in the Engage Study for Seeds and Participants

From: Examining differential success in recruitment using respondent driven sampling (RDS) in a multi-site study of gay, bisexual and other men who have sex with men

 

Calendar Time

Vancouver

Feb-Mar 2017

Apr-Jun 2017

Jul-Sep 2017

Oct-Dec 2017

Jan-Mar 2018

Apr-Jun 2018

Jul-Sep 2018

Oct-Dec 2018

Jan-Mar 2019

Apr-Jun 2019

Jul-Aug 2019

Total

Participants

8

33

28

50

88

122

66

49

77

71

44

636

Seed

13

15

10

23

8

11

8

9

8

10

2

117

Total

21

48

38

73

96

133

74

58

85

81

46

753

Toronto

Feb-Mar 2017

Apr-Jun 2017

Jul-Sep 2017

Oct-Dec 2017

Jan-Mar 2018

Apr-Jun 2018

Jul-Sep 2018

Oct-Dec 2018

Jan-Mar 2019

Apr-Jun 2019

Jul-Aug 2019

Total

Participants

0

18

60

64

48

29

52

37

59

30

24

421

Seed

0

24

3

3

5

13

7

16

2

11

12

96

Total

0

42

63

67

53

42

59

53

61

41

36

517

Montreal

Feb-Mar 2017

Apr-Jun 2017

Jul-Sep 2017

Oct-Dec 2017

Jan-Mar 2018

Apr-Jun 2018

Jul-Sep 2018

Oct-Dec 2018

Jan-Mar 2019

Apr-Jun 2019

Jul-Aug 2019

Total

Participants

61

190

240

224

262

175

0

0

0

0

0

1152

Seed

25

2

0

0

0

0

0

0

0

0

0

27

Total

86

192

240

224

262

175

0

0

0

0

0

1179