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Table 1 Summary of participant characteristics (sex, age, educational attainment, literacy, HIV testing history) by study location

From: Sensitivity and specificity of OraQuick® HIV self-test compared to a 4th generation laboratory reference standard algorithm in urban and rural Zambia

 

Rural community

Urban community

Urban health facility

Total

 

No

%

No

%

No

%

No

%

Total participants

613

100

1038

100

923

100

2,574

100

Female (No./% participants)

289

47.1

744

71.7

496

53.7

1529

59.4

Age (median/IQR)

31

(22, 43)

25

(20, 32)

25

(21, 32)

26

(21, 35)

Age (years) (No./% participants)

        

 15–17 years

30

4.9

66

6.4

12

1.3

108

4.2

 18–24 years

164

26.8

438

42.2

425

46.0

1027

39.9

 25–34 years

166

27.1

307

29.6

309

33.5

782

30.4

 35–44 years

113

18.4

125

12.0

135

14.6

373

14.5

 45–54 years

55

9.0

52

5.0

32

3.5

139

5.4

 55 years and older

85

13.9

50

4.8

10

1.1

145

5.6

Educational attainment (No./% participants)

        

 Incomplete primary education

92

16.1

75

7.3

44

4.8

211

8.4

 Complete primary education

178

31.1

182

17.8

111

12.1

471

18.7

 Secondary or higher education

303

52.9

765

74.9

764

83.1

1832

72.9

Literacy: able to read a newspaper or letter (No./% participants)

514

83.8

993

95.7

906

98.2

2413

93.7

Previously tested for HIV (No./% participants)

502

81.9

882

85.0

818

88.6

2202

85.5

Tested for HIV within past 12 months (No./% participants)

261

42.6

519

50.0

501

54.4

1281

49.8

Self-reported HIV + (No./% previous testers)*

17

3.5

11

1.3

17

2.1

45

2.1

Current ART use (No./% HIV +)

2

14.3

1

10

3

17.6

6

14.6

HIV positive (based on rapid diagnostic test)(No./% with RDT results)**

40

6.5

82

7.9

124

13.6

246

9.6

  1. *Of 2291 respondents reporting having ever tested for HIV, 42 (1.9%) did not report their HIV status
  2. **Respondents with indeterminate RDT results are included in the denominator of this measure