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Table 2 Characteristics of ANC/PMTCT clients observed, by round of data collection and study group

From: Evaluation of a quality improvement intervention to prevent mother-to-child transmission of HIV (PMTCT) at Zambia defence force facilities

  Baseline Endline
Characteristics Comparison group Intervention group p-value Comparison group Intervention group p-value
Age, in years (n=98) (n=93)   (n=100) (n=96)  
  15–19 26.5 20.4 0.40 23.2 14.6 0.26
  20–29 53.1 50.5   57.6 56.3  
  30–39 17.4 26.9   18.2 28.1  
  40+ 3.1 2.2   1.0 1.0  
No. of previous ANC visits with this pregnancy (n=98) (n=93)   (n=100) (n=96)  
  0 42.9 45.6 0.76 27.8 32.3 0.58
  1–2 23.5 25.6   39.2 35.4  
  3+ 33.7 28.9   33.0 32.3  
No. of prior pregnancies (n=98) (n=93)   (n=100) (n=96)  
  0 24.1 24.7 0.98 23.4 28.1 0.10
  1 13.8 17.7   25.5 36.5  
  2+ 62.1 57.7   51.0 35.4  
Among women making their first ANC visit, duration of pregnancy (n=42) (n=41)   (n=24) (n=30)  
  ≤ 20 weeks 40.5 61.0 0.17 50.0 53.3 0.50
  21–27 weeks 40.5 24.4   20.8 30.0  
  ≥ 28 weeks 19.1 14.6   29.2 16.7  
  1. Note: p-value from χ 2 test.