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Table 4 Dropout by participant characteristics in the non-SiVET and SiVET cohorts in FF and FSW populations, Uganda 2012–2017

From: Comparison of retention in observational cohorts and nested simulated HIV vaccine efficacy trials in the key populations in Uganda

Variables

FF(N = 565)

FSW(N = 960)

non-SiVET1 (n = 283)

SiVET1 (n = 282)

non-SiVET2 (n = 670)

SiVET2 (n = 290)

 

Total (%)

C/PYO

Rate

C/PYO

Rate

Total (%)

C/PYO

Rate

C/PYO

Rate

Sex

 Male

342 (60)

47/165

28.6

32/236

14.6

–

–

–

–

–

 Female

223 (40)

46/170

27.0

14/86

16.2

960 (100)

132/376

35.1

55/227

24.2

Age group (years)

 18–24

215 (38)

45/150

30.0

16/103

15.6

389 (41)

66/162

40.9

22/64

34.4

 25–34

242 (43)

35/135

26.0

25/144

17.3

432 (45)

52/163

31.9

27/111

24.3

 35+

108 (19)

13/50

26.0

5/75

6.7

139 (14)

14/52

27.0

6/52

11.6

Tribe

 Baganda

242 (43)

43/128

33.7

22/146

15.0

448 (47)

58/177

32.8

30/118

25.4

 Banyankole

81 (14)

17/62

27.3

4/36

11.2

141 (15)

25/60

41.7

5/26

19.6

 Banyarwanda

123 (22)

20/86

23.1

6/62

9.7

60 (6)

8/19

42.1

5/16

31.5

 Other

119 (21)

13/59

22.1

14/78

17.9

311 (32)

41/120

34.1

15/67

22.3

Education

 None

54 (9)

12/32

38.0

2/23

8.7

288 (30)

54/151

35.7

3/11

27.6

 Primary

401 (71)

64/229

27.9

34/241

14.1

431 (45)

56/157

35.7

30/118

25.4

 Secondary+

110 (20)

17/74

22.9

10/58

17.3

241 (25)

22/68

32.3

22/98

22.4

Marital status

 Single never married

170 (30)

33/97

34.1

19/99

19.2

308 (32)

52/132

39.5

11/58

18.9

 Married

268 (47)

39/151

25.8

20/160

12.5

60 (6)

11/24

46.1

5/12

40.9

 Single ever married

127 (23)

21/87

24.1

7/63

11.1

592 (62)

69/221

31.2

39/157

24.9

Religion

 Christian

433 (77)

78/244

32.0

35/247

14.1

726 (76)

106/277

38.3

42/170

24.7

 Muslim

132 (23)

15/91

16.4

11/75

14.7

234 (24)

26/99

26.2

13/57

22.7

Occupation

 Fishing/fish relatedb

293 (52)

42/151

27.7

24/193

12.4

–

–

–

  

 Small scale business

132 (23)

14/73

19.1

15/82

18.1

28 (3)

3/13

23.0

1/9

10.8

 Work in restaurant/bar/hair salon

88 (16)

31/61

50.5

5/27

18.6

307 (32)

35/118

29.6

19/87

21.7

 Sex work

–

–

–

–

–

617 (64)

93/243

38.3

34/128

26.6

 Othera

52 (9)

6/49

12.2

2/19

10.6

8 (1)

1/2

44.4

1/2

44.0

Duration lived at the current location (years)

 0–1

144 (25)

38/104

36.7

13/53

24.4

273 (28)

41/129

31.8

19/37

51.2

  > 1

421 (75)

55/231

23.8

33/269

12.3

687 (72)

91/247

36.8

36/190

19.0

Illicit drug use

 No

499 (88)

84/298

28.1

38/278

13.7

187 (20)

31/63

49.5

8/43

18.6

 Yes

66 (12)

9/37

24.6

8/44

18.1

773 (80)

101/314

32.2

47/184

25.5

  1. FF -Fisherfolk, FSW- Female sex worker, C- cases of dropout, PYO- person years of observation, SiVET- Simulated Vaccine Efficacy Trial
  2. aPeasant farmer, house wife
  3. bDrying fish, salting or smoking fish