This report investigates the impact of potential misclassification of samples on HIV prevalence estimates for 23 surveys conducted from 2010-2014. In addition to visual inspection of laboratory results, we examined how accounting for potential misclassification of HIV status through Bayesian latent ...class models affected the prevalence estimates. Two types of Bayesian models were specified: a model that only uses the individual dichotomous test results and a continuous model that uses the quantitative information of the EIA (i.e., the signal-to-cutoff values). Overall, we found that adjusted prevalence estimates matched the surveys’ original results, with overlapping uncertainty intervals. This suggested that misclassification of HIV status should not affect the prevalence estimates in most surveys. However, our analyses suggested that two surveys may be problematic. The prevalence could have been overestimated in the Uganda AIDS Indicator Survey 2011 and the Zambia Demographic and Health Survey 2013-14, although the magnitude of overestimation remains difficult to ascertain. Interpreting results from the Uganda survey is difficult because of the lack of internal quality control and potential violation of the multivariate normality assumption of the continuous Bayesian latent class model. In conclusion, despite the limitations of our latent class models, our analyses suggest that prevalence estimates from most of the surveys reviewed are not affected by sample misclassification.
more
A Handbook for country programmes
The Compendium brings together for the first time key consensus-based policy recommendations and guidance to improve the delivery of proven interventions to women and children. The user-friendly format incorporates icons and tabs to present key health-related policies that support the delivery of es...sential RMNCH interventions. It also includes multisectoral policies on the economic, social, technological and environmental factors that influence health outcomes and service delivery. The Policy Compendium is a companion document to the Essential Interventions, Commodities and Guidelines for RMNCH.
more
This document defines the framework for Malawi’s National HIV Programs. Considering public health benefits and risks, as well as funding and resource implications, deviations from these guidelines are not supported by the Ministry of Health.
A healthcare worker manual. 2nd edition
The development of this National Manual for the Management of HIV-related Opportunistic Infections and Conditions for use by health care workers at the frontline of our fight against HIV/AIDS is intended to improve their understanding of the causes, preventio...n and appropriate management of opportunistic infections and conditions in adults and adolescents (OIs in children is covered effectively in the Integrated Management of Childhood Illnesses – IMCI – materials). It is also intended to be a practical guide at the clinic level, so as to improve quality of life, treatment outcomes and survival of PLHA. Crucially, this manual uses a “symptom-based” approach to support health care workers at the most basic primary level to be able to effectively initiate the care of PLHA with OIs and refer patients as appropriate (effective triage of patients at the primary care level). The result of this will be to move the management of OIs closer to the patient while ensuring that referral links with higher-level facilities and care is cultivated.
more
We investigate whether and to what extent Chinese development finance affects infant mortality, combining 92 demographic and health surveys (DHS) for a maximum of 53 countries and almost 55,000 sub-national locations over the 2002-2014 period. We address causality by instrumenting aid with a set of ...interacted variables. Variation over
time results from indicators that measure the availability of funding in a given year. Cross-sectional variation results from a sub-national region’s “probability to receive aid.” Controlled for this probability in tandem with fixed effects for country-years and provinces, the interactions of these variables form powerful and excludable instruments. Our results show that Chinese aid increases infant mortality at sub-national scales, but decreases mortality at the countrylevel. In several tests, we show that this stark contrast likely results from aid being fungible within recipient countries.
more