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Bulletin of the World Health Organization

Declining HIV prevalence among young pregnant women in Lusaka, Zambia

Elizabeth M Stringer, Namwinga T Chintu, Jens W Levy, Moses Sinkala, Benjamin H Chi, Jubra Muyanga, Marc Bulterys, Maximilian Bweupe, Karen Megazzini, Jeffrey SA Stringer

Volume 86, Number 9, September 2008, 697-702

Table 1. HIV seroprevalence among women tested for HIV in antenatal care at 24 public sector clinics in Lusaka, Zambia

Clinic Yeara
Trendb P-value
2003 2004 2005 2006
Bauleni 22.2 21.5 19.7 18.5 –2.18 0.03
Chianama 25.5 23 20.3 16.6 –4.13 < 0.0001
Chainda 22.1 20.2 19.8 17 –2.51 0.012
Chawama 22.2 20.5 23.1 22.6 1.65 0.099
Chazanga 17 20.1 16.9 18.1 –0.77 0.444
Chelstone 25.1 20.2 19.3 22.1 –2.32 0.020
Chilenje 23.7 19.4 18 18.5 –2.89 0.004
Chipata 23.9 24.2 21.7 20.4 –4.29 < 0.0001
Civic Center 28.3 26.3 25.8 26.9 –0.70 0.483
George 22.9 24.1 24.1 22.5 –0.78 0.439
Kabwata 24.5 23.8 24.5 22.3 –1.44 0.151
Kalingalinga 24.8 24.9 24.6 25.5 0.40 0.69
Kamwala 27.7 25.8 23 23 –5.29 < 0.0001
Kanyama 23 24.6 22.4 22.5 –1.60 0.109
Kaunda Square 25.3 23.2 22.6 18.1 –3.38 0.001
Lilayi 18.3 18 17.8 9.2 –6.33 < 0.0001
Makeni 20.4 21.5 21.1 19.6 –0.95 0.341
Mandevu 27.1 24.9 22.3 23.5 –3.19 0.001
Matero Main 28 22.7 30.4 27.5 –0.032 0.974
Matero Reference 25.3 26.5 25.2 23.9 –1.88 0.06
Mtendere 22.6 21.6 21 20.3 –2.08 0.037
Ngombe 19.4 21 19.8 17.9 –1.25 0.212
Railway 24.7 21.7 23.4 25.1 0.882 0.378
State Lodge 16.4 13 15.7 11.8 –1.12 0.264

a The year 2002 is omitted because only partial year data are available.b Trend statistic is Z score derived from Cochran-Armitage test of quarterly prevalence data between 3rd quarter of 2002 and 4th quarter of 2006. A negative trend indicates declining prevalence over time.