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Table 1 Comparison of characteristics for different groups of pregnant women that HIV tested at 139 ANC clinics in Botswana

From: Using routine programmatic data to measure HIV incidence among pregnant women in Botswana

Characteristic

Subgroup 1

Subgroup 2

p-valued

Returned an ANC follow-up visit and HIV re-re-testeda

Returned and re-tested

Did not return and re-test

(n = 7940)

(n = 20794)

Age, median (IQR)

26 (22–31)

26 (22–31)

 

 ≥ 25 years old

4713 (61.0%)

11,709 (57.8%)

 < 0.001

Citizen of Botswana

7760 (97.7%)

19,701 (94.7%)

 < 0.001

Urban testing locationb

4207 (53.0%)

10,847 (52.2%)

0.213

HIV seroconverted during observation in ANC carec

Did not HIV seroconvert

HIV seroconverted

p-valued

(n = 7928)

(n = 17)

Age, median (IQR)

26 (22–31)

23 (21–27)

 

 ≥ 25 years old

4919 (62.0%)

7 (41.2%)

0.094

Citizen of Botswana

7744 (97.7%)

16 (94.1%)

0.316

Urban testing locationb

4400 (53.0%)

7 (41.2%)

0.329

  1. Abbreviations: interquartile range (IQR)
  2. aAmong women who tested HIV-negative at ANC clinics (n = 28,734)
  3. bTesting locations categorized into urban and rural testing locations based on testing district
  4. cAmong women who tested HIV-negative at ANC clinics, returned for an ANC follow-up visit, and re-tested for HIV (n = 7940)
  5. dp-values were measured using Pearson’s chi-squared test; significance was determined at the p < 0.05 level