Decline in the prevalence HIV among pregnant women attending antenatal clinics in Tanzania, 2001-2011

  • Joel Manyahi Department of microbiology and immunology, Muhimbili University of Health and Allied Sciences, Dar es Salaam Email:
  • Boniphace S. Jullu St. Francis University College of Health and Allied Sciences, P.O. Box 175, Ifakara
  • Mathias I. Abuya Ministry of Health, Community Development, Gender, Elderly and Children, National AIDS Control Programme, Dar es Salaam
  • James Juma Ministry of Health, Dar es Salaam
  • Bonita Kilama Ministry of Health, Dar es Salaam
  • Veryeh Sambu Ministry of Health, Dar es Salaam
  • Josef Nondi Ministry of Health, Dar es Salaam
  • Bernard Rabiel Ministry of Health, Dar es Salam
  • Neema Makyao Ministry of Health, Dar es Salaam
  • Angela Ramadhani Ministry of Health, Tanzania
  • Geoffrey Somi Ministry of Health, Dar es Salaam
  • Mecky I. Matee Muhimbili University of Health and Allied Sciences, Dar es Salaam
Keywords: HIV/AIDS, prevalence, surveillance, pregnant women, antenatal care, Tanzania

Abstract

Background: The Tanzania National AIDS Control Programme has established HIV sentinel surveillance among antenatal clinic (ANC) attendees as one of the methods for collecting data on HIV prevalence. This article provides trends on HIV prevalence for 92 sentinel sites that have constantly been part of the surveillance system since 2001 and have participated in at least three consecutive rounds.

Method: The surveillance population included all pregnant women aged 15–49 years who were attending a selected sentinel ANC site for the first time for any pregnancy between 2001 and 2011. Serial testing for HIV infection was done anonymously by detecting for the presence of IgG antibodies to HIV on dried blood spot (DBS) specimens. HIV trends were calculated taking into account random effects from sites on the following variables:  region, sites and socio-demographic characteristics defined as age, marital status, parity, education level and duration of stay at present residence.

Results: Overall, there was a significant decline in HIV prevalence from 9.6% in 2001 to 5.6% in 2011 (p<0.01). Specifically, the HIV prevalence among 15-24 years’ pregnant women significantly declined from 7.8% in 2001/2002 to 4% in 2011 (p<0.01). The decline in HIV prevalence occurred irrespective of residence, marital status, education level or previous pregnancies.

Conclusion: There has been a significant decline in HIV infections among young pregnant women attending ANC clinics in Tanzania since 2001. This study also indicates that ANC surveillance among pregnant women over time can provide useful estimates of HIV situation between the population surveys.

Published
2017-04-08
How to Cite
ManyahiJ., JulluB. S., AbuyaM. I., JumaJ., KilamaB., SambuV., NondiJ., RabielB., MakyaoN., RamadhaniA., SomiG., & MateeM. I. (2017). Decline in the prevalence HIV among pregnant women attending antenatal clinics in Tanzania, 2001-2011. Tanzania Journal of Health Research, 19(2). https://doi.org/10.4314/thrb.v19i2.
Section
Articles

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