دورية أكاديمية
أعرض في EDS

Accuracy of and preferences for blood-based versus oral-fluid-based HIV self-testing in Malawi: a cross-sectional study.

التفاصيل البيبلوغرافية
العنوان: Accuracy of and preferences for blood-based versus oral-fluid-based HIV self-testing in Malawi: a cross-sectional study.
المؤلفون: O'Reilly A; Malawi Liverpool Wellcome Trust, Blantyre, Malawi. ailva.oreilly@nhs.net., Mavhu W; Centre for Sexual Health and HIV/AIDS Research (CeSHHAR) Zimbabwe, Harare, Zimbabwe.; Department of International Public Health, Liverpool School of Tropical Medicine, Liverpool, UK., Neuman M; Department of Infectious Disease Epidemiology, London School of Hygiene & Tropical Medicine, London, UK., Kumwenda MK; Malawi Liverpool Wellcome Trust, Blantyre, Malawi.; Department of International Public Health, Liverpool School of Tropical Medicine, Liverpool, UK., Johnson CC; Global HIV, Hepatitis and STI Programmes, World Health Organization, Geneva, Switzerland., Sinjani G; Malawi Liverpool Wellcome Trust, Blantyre, Malawi., Indravudh P; Department of Global Health and Development, London School of Hygiene & Tropical Medicine, London, UK., Choko A; Malawi Liverpool Wellcome Trust, Blantyre, Malawi.; Department of International Public Health, Liverpool School of Tropical Medicine, Liverpool, UK., Hatzold K; Population Services International, Cape Town, South Africa., Corbett EL; Malawi Liverpool Wellcome Trust, Blantyre, Malawi.; Department of Clinical Research, London School of Hygiene & Tropical Medicine, London, UK.
المصدر: BMC infectious diseases [BMC Infect Dis] 2024 Apr 02; Vol. 22 (Suppl 1), pp. 979. Date of Electronic Publication: 2024 Apr 02.
نوع المنشور: Journal Article
اللغة: English
بيانات الدورية: Publisher: BioMed Central Country of Publication: England NLM ID: 100968551 Publication Model: Electronic Cited Medium: Internet ISSN: 1471-2334 (Electronic) Linking ISSN: 14712334 NLM ISO Abbreviation: BMC Infect Dis Subsets: MEDLINE
أسماء مطبوعة: Original Publication: London : BioMed Central, [2001-
مواضيع طبية MeSH: Self-Testing* , HIV Infections*/diagnosis, Humans ; Male ; Female ; HIV ; Cross-Sectional Studies ; Malawi ; Self Care ; HIV Testing ; Surveys and Questionnaires ; Mass Screening/methods
مستخلص: Background: HIV self-testing (HIVST) can use either oral-fluid or blood-based tests. Studies have shown strong preferences for self-testing compared to facility-based services. Despite availability of low-cost blood-based HIVST options, to date, HIVST implementation in sub-Saharan Africa has largely been oral-fluid-based. We investigated whether users preferred blood-based (i.e. using blood sample derived from a finger prick) or oral fluid-based HIVST in rural and urban Malawi.
Methods: At clinics providing HIV testing services (n = 2 urban; n = 2 rural), participants completed a semi-structured questionnaire capturing sociodemographic data before choosing to test using oral-fluid-based HVST, blood-based HIVST or provider-delivered testing. They also completed a self-administered questionnaire afterwards, followed by a confirmatory test using the national algorithm then appropriate referral. We used simple and multivariable logistic regression to identify factors associated with preference for oral-fluid or blood-based HIVST.
Results: July to October 2018, N = 691 participants enrolled in this study. Given the choice, 98.4% (680/691) selected HIVST over provider-delivered testing. Of 680 opting for HIVST, 416 (61.2%) chose oral-fluid-based HIVST, 264 (38.8%) chose blood-based HIVST and 99.1% (674/680) reported their results appropriately. Self-testers who opted for blood-based HIVST were more likely to be male (50.3% men vs. 29.6% women, p < 0.001), attending an urban facility (43% urban vs. 34.6% rural, p = 0.025) and regular salary-earners (49.5% regular vs. 36.8% non-regular, p = 0.012). After adjustment, only sex was found to be associated with choice of self-test (adjusted OR 0.43 (95%CI: 0.3-0.61); p-value < 0.001). Among 264 reporting blood-based HIVST results, 11 (4.2%) were HIV-positive. Blood-based HIVST had sensitivity of 100% (95% CI: 71.5-100%) and specificity of 99.6% (95% CI: 97.6-100%), with 20 (7.6%) invalid results. Among 416 reporting oral-fluid-based HIVST results 18 (4.3%) were HIV-positive. Oral-fluid-based HIVST had sensitivity of 88.9% (95% CI: 65.3-98.6%) and specificity of 98.7% (95% CI: 97.1-99.6%), with no invalid results.
Conclusions: Offering both blood-based and oral-fluid-based HIVST resulted in high uptake when compared directly with provider-delivered testing. Both types of self-testing achieved high accuracy among users provided with a pre-test demonstration beforehand. Policymakers and donors need to adequately plan and budget for the sensitisation and support needed to optimise the introduction of new quality-assured blood-based HIVST products.
(© 2024. The Author(s).)
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معلومات مُعتمدة: 001 International WHO_ World Health Organization; Unitaid Unitaid
فهرسة مساهمة: Keywords: Cross-sectional study; HIV; Malawi; Men; Self-testing; Sub-Saharan Africa
تواريخ الأحداث: Date Created: 20240402 Date Completed: 20240404 Latest Revision: 20240518
رمز التحديث: 20240518
مُعرف محوري في PubMed: PMC10985843
DOI: 10.1186/s12879-024-09231-1
PMID: 38566003
قاعدة البيانات: MEDLINE
الوصف
تدمد:1471-2334
DOI:10.1186/s12879-024-09231-1