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Table 2 Percentage distribution of participants who were successfully contacted, those who accepted to test and HIV test result by socio-demographic characteristics

From: The effect of participant nonresponse on HIV prevalence estimates in a population-based survey in two informal settlements in Nairobi city

Variables

Total Number

Contacted

Number Contacted

Accepted to test

HIV prevalence among tested

  

Percent (%)

X 2(P-value)

 

Percent (%)

X 2(P-value)

Percent positive

X 2(P-value)

Age group

        

   < 20 yrs

611

77.7

 

475

87.0

 

5.1

 

   20-24 yrs

1,120

71.3

 

798

79.7

 

7.2

 

   25-29 yrs

1,028

71.4

21.1 (0.004)

734

76.8

39.3 (< 0.001)

12.1

59.9 (< 0.001)

   30-34 yrs

750

75.6

 

567

72.1

 

13.7

 

   35-39 yrs

555

75.5

 

419

74.9

 

17.2

 

   40-44 yrs

368

73.1

 

269

76.2

 

13.7

 

   45-49 yrs

249

73.5

 

183

78.1

 

21.0

 

   50-54 yrs

86

60.5

 

52

71.2

 

24.3

 

Gender

        

   Female

2,931

75.7

20.9 (< 0.001)

2,218

77.2

1.2 (0.279)

12.4

4.3 (0.039)

   Male

1,836

69.7

 

1,279

78.8

 

9.8

 

Residence

        

   Korogocho

2,435

76.6

26.6 (< 0.001)

1,865

85.3

130.1 (< 0.001)

13.9

22.2 (< 0.001)

   Viwandani

2,332

70.0

 

1,632

69.2

 

8.1

 

Ethnicity

        

   Kikuyu

1,504

71.5

 

1,076

76.9

 

8.2

 

   Luhya

693

76.5

13.7 (0.008)

530

84.7

97.9 (< 0.001)

11.6

83.7 (< 0.001)

   Luo

795

75.4

 

599

87.0

 

22.7

 

   Kamba

1,092

70.8

 

773

66.9

 

8.3

 

   Others

683

76.0

 

519

78.4

 

7.6

 

Education

        

   No schooling

179

76.0

 

136

75.7

 

23.3

 

   Primary

3,029

73.6

1.6 (0.671)

2,228

79.0

5.4 (0.143)

12.1

21.1 (< 0.001)

   Secondary/higher

1,474

72.9

 

1,048

75.7

 

8.7

 

   Don't know

85

69.4

 

59

74.6

 

9.1

 

Wealth Index

        

   Poorest 20%

889

57.0

 

507

77.3

 

13.3

 

   2nd

958

71.5

185.0 (< 0.001)

685

75.5

3.5 (0.473)

13.4

6.4 (0.171)

   3rd

991

75.3

 

746

78.4

 

11.3

 

   4th

953

78.5

 

748

79.4

 

11.3

 

   Richest 20%

976

83.1

 

811

78.1

 

9.2

 

Marital status

        

   Married

2,919

77.2

 

2,254

75.3

 

11.6

 

   Divorce/widowed

437

80.1

220.0 (< 0.001)

350

82.0

28.3 (< 0.001)

26.5

90.3 (< 0.001)

   Never married

1,335

66.3

 

885

82.8

 

5.5

 

   Not known

76

10.5

 

8

50.0

 

0.0

 

Mobility

        

   Not highly mobile

4358

76.7

155.6 (< 0.001)

3115

77.3

3.7 (0.054)

11.8

2.2 (0.142)

   Highly mobile

409

54.2

 

382

81.7

 

9.0

 

Total

4767

73.4

 

3497

77.8

 

11.5

(10.3-12.7)§

  1. § 95% confidence interval