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Table 2 Retention in the early and later phases by socio-demographics characteristics

From: A randomized trial to assess retention rates using mobile phone reminders versus physical contact tracing in a potential HIV vaccine efficacy population of fishing communities around Lake Victoria, Uganda

Characteristics

Intensive Early Phase

 

Later Phase

 

4/4

n (%)

< 4/4

n (%)

P value

2/2

n (%)

< 2/2

n (%)

P value

All Participants

425 (64.3)

236 (35.7)

 

497 (75.2)

164 (24.8)

 

Study Arm

 Phone tracing

215 (65.2)

115 (34.8)

 

232 (70.3)

98 (29.7)

 

 Physical contact tracing

210 (63.4)

121 (36.6)

0.647

265 (80.1)

66 (19.9)

0.004

Sex

 Female

171 (66.3)

87 (33.6)

 

198 (76.7)

60 (23.3)

 

 Male

254 (63.0)

149 (37.0)

0.395

299 (74.2)

104 (25.8)

0.459

Age group

 15–19

25 (51.0)

24 (49.0)

 

130 (74.3)

45 (25.7)

 

 20–24

121 (69.1)

54 (30.9)

 

35 (71.4)

14 (28.6)

 

 25–34

201 (62.8)

119 (27.2)

 

235 (73.4)

85 (26.6)

 

 35–49

78 (66.7)

39 (33.3)

0.105

97 (82.9)

20 (17.1)

0.194

Location of Community

 Mainland

202 (57.2)

151 (42.8)

 

274 (77.6)

79 (22.1)

 

 Island

223 (72.4)

85 (27.6)

< 0.0001

223 (72.4)

85 (27.6)

0.121

Occupation

 Fishing/Fishing related†

175 (64.8)

95 (35.2)

 

199 (73.7)

71 (26.3)

 

 Shop/Market

34 (73.9)

12 (26.1)

 

36 (78.3)

10 (21.7)

 

 Bar/Lodge/Hotel

42 (60.0)

28 (40.0)

 

50 (71.4)

20 (28.6)

 

 Farming

52 (71.2)

21 (28.8)

 

56 (76.7)

17 (23.3)

 

 Housewife

40 (60.6)

26 (39.4)

 

52 (78.8)

14 (21.2)

 

 Others††

82 (60.3)

54 (39.7)

0.378

104 (76.5)

32 (23.5)

0.882

Marital status

 Not married

129 (61.7)

80 (38.3)

 

144 (68.9)

65 (31.1)

 

 Married monogamous

208 (64.0)

117 (36.0)

 

250 (76.9)

75 (23.1)

 

 Married polygamous

88 (69.3)

39 (30.7)

0.369

103 (81.1)

24 (18.9)

0.026

Education

 None

16 (47.1)

18 (52.9)

 

27 (79.4)

7

 

 Primary

245 (64.6)

134 (35.4)

 

286 (75.5)

93

 

 Secondary or beyond

164 (66.1)

84 (33.9)

0.091

184 (74.2)

64

0.790

Religion

 Catholic

163 (63.7)

93 (36.3)

 

198 (77.3)

58 (22.7)

 

 Protestant/Anglican

107 (62.9)

63 (37.1)

 

130 (76.5)

40 (23.5)

 

 Muslim

96 (65.8)

50 (34.2)

 

107 (73.3)

39 (26.7)

 

 Pentecostal/Adventist

59 (66.3)

30 (33.7)

0.926

62 (69.7)

27 (30.3)

0.470

Ethnicity/Tribe

 Baganda

217 (66.8)

108 (33.2)

 

254 (78.2)

71 (21.8)

 

 Others

208 (61.9)

128 (28.1)

0.192

243 (72.3)

93 (27.7)

0.083

Duration in community at enrolment (years)

 Less than 2

46 (54.1)

39 (45.9)

 

49 (57.7)

36 (42.3)

 

 2–4

159 (61.4)

100 (38.6)

 

182 (70.3)

77 (29.7)

 

 5–10

129 (67.2)

63 (32.8)

 

160 (83.3)

32 (16.7)

 

 More than 10

91 (72.8)

34 (27.2)

0.024

106 (84.8)

19 (15.2)

< 0.0001

  1. †Fishing, fishmongers, fish processing, boat maker/owner
  2. ††Construction/Mechanic/Government/Clerical