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Table 3 Sexual health responses by ZEST study population

From: The influence of interviewers on survey responses among female sex workers in Zambia

 

Univariate

 

Bivariate regressionb

N

% / Median [IQR]

ICC c

Male

IVR

Female

IVR

p-value

Age at first sex

960

16 [15–18]

1.6%

16.2

16.2

1.00

Ever been pregnant

965

83.8%

2.3%

86.3%

81.1%

0.40

 Number of pregnancies

809

2 [1–3]

 

2.1

2.2

0.69

 Number of living children

803

1 [1–2]

 

1.6

1.8

0.59

 Ever had unwanted pregnancy

809

61.7%

12.2%

60.2%

65.4%

0.84

  Of which, trying to avoid pregnancy at the time

497

45.5%

19.5%

43.0%

47.9%

0.89

 Ever ended a pregnancy

809

47.7%

20.6%

44.1%

53.2%

0.76

Currently using family planning

964

75.9%

11.6%

79.3%

75.8%

0.87

Has a primary partner

964

59.8%

2.2%

60.4%

59.3%

0.94

 Partner knows about sex work

572

16.9%

15.0%

27.2%

23.5%

0.89

 Condom use with primary partner

574

    

0.76

  Never

 

37.3%

 

40.2%

33.7%

 

  Seldom

 

10.1%

 

11.9%

11.4%

 

  Sometimes

 

39.7%

 

38.7%

43.1%

 

  Often

 

2.8%

 

2.1%

2.6%

 

  Always

 

10.1%

 

7.1%

9.2%

 

Likelihood HIV-positive a

956

5 [4–6]

8.0%

4.9

5.4

0.55

Likelihood will contract HIV in the next year a

947

6 [5–8]

6.3%

5.9

5.9

1.00

Likelihood woman acquires HIV from single act a

957

8 [5–10]

22.6%

7.6

6.7

0.51

How likely to take actions to reduce risk of HIV

962

    

0.76

 Very likely

 

58.7%

 

57.3%

66.3%

 

 Somewhat likely

 

30.9%

 

33.6%

27.6%

 

 Unlikely

 

5.8%

 

5.2%

3.6%

 

 Very unlikely

 

4.6%

 

3.8%

2.5%

 

Estimated proportion of FSW living with HIV a

937

7 [6–9]

5.8%

7.1

7.2

0.86

Estimated proportion of SWC living with HIV a

935

8 [5–9]

4.0%

7.2

7.2

0.99

Knows HIV status of primary partner

574

42.0%

9.3%

40.2%

43.0%

0.92

Ever tested for HIV

958

79.3%

16.3%

84.3%

78.8%

0.75

 Months since most recent HIV test

752

6 [4–12]

6.3%

14.1%

9.8%

0.46

 Received results of most recent HIV test

745

92.3%

14.4%

94.1%

93.4%

0.95

Needed healthcare but unable to access in past 12 m

963

36.8%

12.7%

35.7%

36.1%

0.99

Comfortable telling medical provider about sex work

963

69.1%

16.8%

73.9%

65.9%

0.69

Feel medical provider judges for sex work

961

36.2%

29.3%

24.1%

47.5%

0.38

Ever been tested for STIs

964

49.1%

0.2%

50.0%

48.5%

0.87

 Months since most recent STI test

471

6 [3–12]

7.7%

12.2

9.9

0.69

  1. FSW female sex worker, ICC Intraclass Correlation Coefficient, IQR inter-quartile range, IVR interviewer, SWC sex work client, ZMW Zambian Kwacha: 1 Kwacha ~US$ 10
  2. a10-point scale
  3. bAll bivariate regressions included study site fixed effects and interviewer random intercepts. Values for male and female IVR are marginal predicted values based on regression coefficients. c ICC is the proportion of all variance in a model without interviewer gender attributable to variation in interviewer identity; not available for Poisson or ordered logistic models.. P-value is for a χ2 test, adjusted for multiple testing across all results shown in Tables 1, 2, 3 and 4 using the Benjamini-Hochberg method