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Table 3 Covariates of consent for HIV testing (Zewditu Memorial Hospital, Addis Ababa, 2003–04)

From: Implications of the HIV testing protocol for refusal bias in seroprevalence surveys

 

Consent level (row %)

  

Consent level (row %)

 

Age a

A

B

C

Total

Counselor b

A

B

C

Total

16–19

86.0

4.7

9.4

107

1

57.5

13.7

28.8

73

20–29

73.9

11.7

14.5

498

2

91.4

5.0

3.6

303

30–39

68.7

14.1

17.2

396

3

53.6

3.6

42.9

28

40–49

77.3

9.7

13.0

247

5

73.2

26.8

0.0

41

50–59

77.5

10.6

12.0

142

6

0.0

0.0

100.0

2

60+

85.9

3.9

10.3

156

7

98.5

0.3

1.2

322

Pearson Chi2(10) = 28.99 p < .01

8

63.1

16.6

20.3

728

Missing

100.0

0.0

0.0

1

9

56.0

10.0

34.0

50

     

Pearson Chi2(14) = 276.27, p < .01

Education

     

Illiterate

82.3

10.2

7.5

362

Ward

1–6th grade

76.5

11.8

11.8

272

ER

76.2

13.9

9.9

625

7–12th grade

76.0

11.0

13.0

607

GY

55.2

9.5

35.3

201

>12th grade

61.2

10.9

27.9

129

IM

57.7

20.6

21.7

97

Pearson Chi2(8) = 37.46 p < .01

SU

84.1

6.1

9.8

624

Missing

68.9

7.9

23.2

177

Pearson Chi2(6) = 134.44, p < .01

Marital status

Study month a

Single

78.6

11.6

9.8

481

Prior to ART

64.0

16.2

19.8

445

Mar

76.5

9.0

14.6

769

Since ART

80.1

8.4

11.5

1,102

Div/wid

69.5

17.8

12.7

118

Pearson Chi2(2) = 44.72, p < .01

Pearson Chi2(4) = 14.49, p < .01

     

Missing

67.0

10.1

22.9

179

Gender

     

Female

75.3

9.9

14.7

876

Likelihood of infection a

Male

75.7

11.5

12.8

671

≤ 7.49

83.5

6.4

10.1

376

Pearson chi2(2) = 1.86, p = 0.40

7.5 – 14.9

79.0

8.6

12.5

409

     

15.0 – 29.9

69.4

10.6

20.0

376

     

≥ 30

69.9

16.9

13.3

385

     

Pearson Chi2(6) = 44.05, p < .01

     

Missing

0.0

100.0

0.0

1

     
  1. Notes:
  2. a In the regression models in Tables 4 and 5, age is defined in terms of single year age groups and study month is coded 0 for the period prior to the introduction of ART and consecutive numbers for months that followed. HIV likelihood is used as the proportion HIV+ for each ICD-10 entry in Table 1. The other variables are defined as shown in the table.
  3. b Counselor #4 only worked in the TB/HIV clinic and omitted from this table and any subsequent analysis. Counselor 6 worked primarily in the pediatrics ward.
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