{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,1]],"date-time":"2026-10-01T21:32:03Z","timestamp":1790890323274,"version":"4.1.0"},"reference-count":10,"publisher":"BMJ","issue":"8","funder":[{"DOI":"10.13039\/501100005635","name":"Funda\u00e7\u00e3o Calouste Gulbenkian","doi-asserted-by":"publisher","award":["Scholarship 135499"],"award-info":[{"award-number":["Scholarship 135499"]}],"id":[{"id":"10.13039\/501100005635","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["bmj.com"],"crossmark-restriction":true},"short-container-title":["Sex Transm Infect"],"accepted":{"date-parts":[[2020,1,28]]},"published-print":{"date-parts":[[2020,12]]},"abstract":"<jats:sec><jats:title>Objectives<\/jats:title><jats:p>To characterise infections by HIV,<jats:italic>Treponema pallidum,<\/jats:italic>hepatitis B (HBV) and C virus (HCV) in parturients admitted to Irene Neto Maternity, Lubango city, Hu\u00edla province, Angola, namely its seropositivity rate and its association with sociodemographic factors.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>An observational, cross-sectional and analytical facility-based survey was conducted among 500 parturients at Irene Neto Maternity, from October 2016 to September 2017. Women in labour were screened for antibodies against HIV-1\/2,<jats:italic>T. pallidum<\/jats:italic>and HCV. Antigen detection was used to diagnose HBV infections. Sociodemographic data were also collected. The seropositivity rate and respective CIs were estimated at a level of 95%. Multivariable logistic regression models were performed to explore the association between the studied infections and sociodemographic factors.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>In 11.8% of the parturients (95%\u2009CI 9.3 to 14.9), at least one infection was detected. HBV infection was the most common (8.6%), followed by HIV infection (3.0%) and syphilis (1.0%). Coinfection with HBV and HIV was observed in two parturients (0.4%) and HBV, HIV and<jats:italic>T. pallidum<\/jats:italic>were all detected in one parturient (0.2%). No HCV infection was detected. For each additional year of formal education, pregnant women had a 10.0% lower chance of being infected with HBV (adjusted OR=0.900, 95%\u2009CI 0.816 to 0.992).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>This study is one of the few reports contributing for the knowledge of some sexually transmitted infections epidemiology in Angola. The seropositivity rate of the studied infections is of concern, especially the high endemicity of HBV. There is a need for a stronger commitment and further research to design cost-effective public health and clinical interventions to improve the situation.<\/jats:p><\/jats:sec>","DOI":"10.1136\/sextrans-2019-054249","type":"journal-article","created":{"date-parts":[[2020,5,18]],"date-time":"2020-05-18T21:26:16Z","timestamp":1589837176000},"page":"587-589","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":12,"title":["Seropositivity rate and sociodemographic factors associated to HIV, HBV, HCV and syphilis among parturients from Irene Neto Maternity of Lubango city, Angola"],"prefix":"10.1136","volume":"96","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-7765-5991","authenticated-orcid":false,"given":"Dinamene","family":"Oliveira","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Maria do Ros\u00e1rio","family":"Martins","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rita","family":"Castro","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lemuel","family":"Cordeiro","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Maria Rosalina","family":"Barroso","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Maria Ant\u00f3nia","family":"Nazar\u00e9","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Filomena","family":"Pereira","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"239","published-online":{"date-parts":[[2020,5,18]]},"reference":[{"key":"2024092304051011000_96.8.587.1","unstructured":"World Health Organization . Sexually transmitted infections (STIs), 2019. Available: https:\/\/www.who.int\/news-room\/fact-sheets\/detail\/sexually-transmitted-infections-(stis) [Accessed 11 Nov 2019]."},{"key":"2024092304051011000_96.8.587.2","unstructured":"Instituto Nacional de Estat\u00edstica (INE), Minist\u00e9rio da Sa\u00fade (MINSA), Minist\u00e9rio do Planeamento e do Desenvolvimento Territorial (MINPLAN), ICF . Inqu\u00e9rito de Indicadores M\u00faltiplos e de Sa\u00fade em Angola 2015-2016. Luanda, Angola and Rockville, Maryland, USA: INE, MINSA, MINPLAN and ICF, 2017."},{"key":"2024092304051011000_96.8.587.3","doi-asserted-by":"publisher","DOI":"10.1590\/S0074-02762010000800004"},{"key":"2024092304051011000_96.8.587.4","unstructured":"United Nations . Goal 3: ensure healthy lives and promote well-being for all at all ages, 2019. Available: https:\/\/www.un.org\/sustainabledevelopment\/health\/ [Accessed 27 Jun 2019]."},{"key":"2024092304051011000_96.8.587.5","doi-asserted-by":"crossref","first-page":"1361","DOI":"10.1080\/14740338.2016.1211106","article-title":"Prophylaxis of vertical HBV infection","volume":"15","author":"Pawlowska","year":"2016","journal-title":"Expert Opin Drug Saf"},{"key":"2024092304051011000_96.8.587.6","doi-asserted-by":"crossref","first-page":"6","DOI":"10.1016\/j.ajog.2015.09.100","article-title":"#38: Hepatitis B in pregnancy screening, treatment, and prevention of vertical transmission","volume":"214","author":"Dionne-Odom","year":"2016","journal-title":"Am J Obstet Gynecol"},{"key":"2024092304051011000_96.8.587.7","doi-asserted-by":"crossref","DOI":"10.4178\/epih.e2016027","article-title":"Seroprevalence and associated risk factors of hepatitis B virus among pregnant women in southern Ethiopia: a hospital-based cross-sectional study","volume":"38","author":"Metaferia","year":"2016","journal-title":"Epidemiol Health"},{"key":"2024092304051011000_96.8.587.8","doi-asserted-by":"crossref","first-page":"406","DOI":"10.11604\/pamj.2015.20.406.6206","article-title":"Prevalence, sociodemographic features and risk factors of hepatitis B virus infection among pregnant women in Southwestern Nigeria","volume":"20","author":"Anaedobe","year":"2015","journal-title":"Pan Afr Med J"},{"key":"2024092304051011000_96.8.587.9","doi-asserted-by":"crossref","DOI":"10.1371\/journal.pone.0208963","article-title":"Factors associated with risk of HIV-infection among pregnant women in Cameroon: evidence from the 2016 national sentinel surveillance survey of HIV and syphilis","volume":"14","author":"Anoubissi","year":"2019","journal-title":"PLoS One"},{"key":"2024092304051011000_96.8.587.10","doi-asserted-by":"crossref","first-page":"1255","DOI":"10.1016\/j.clinthera.2018.05.016","article-title":"Elimination of vertical transmission of hepatitis B in Africa: a review of available tools and new opportunities","volume":"40","author":"Dionne-Odom","year":"2018","journal-title":"Clin Ther"}],"container-title":["Sexually Transmitted Infections"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/syndication.highwire.org\/content\/doi\/10.1136\/sextrans-2019-054249","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2024,9,23]],"date-time":"2024-09-23T11:05:47Z","timestamp":1727089547000},"score":1,"resource":{"primary":{"URL":"https:\/\/sti.bmj.com\/lookup\/doi\/10.1136\/sextrans-2019-054249"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2020,5,18]]},"references-count":10,"journal-issue":{"issue":"8","published-online":{"date-parts":[[2020,11,18]]},"published-print":{"date-parts":[[2020,12]]}},"alternative-id":["10.1136\/sextrans-2019-054249"],"URL":"https:\/\/doi.org\/10.1136\/sextrans-2019-054249","relation":{},"ISSN":["1368-4973","1472-3263"],"issn-type":[{"value":"1368-4973","type":"print"},{"value":"1472-3263","type":"electronic"}],"subject":[],"published":{"date-parts":[[2020,5,18]]}}}