Related Experiment Video
Updated: Jun 21, 2026
19:57
An Affordable HIV-1 Drug Resistance Monitoring Method for Resource Limited Settings
Published on: March 30, 2014
Numeracy skills explain racial differences in HIV medication management.
Drenna Waldrop-Valverde1, Chandra Y Osborn, Allan Rodriguez
1Department of Psychiatry & Behavioral Sciences, Miller School of Medicine, University of Miami, Miami, FL 33136, USA. dwaldrop@med.miami.edu
AIDS and Behavior
|August 12, 2009
Summary
Numeracy skills significantly impact medication management for African Americans with HIV/AIDS, potentially explaining racial health disparities. Improving numeracy may reduce these gaps.
Area of Science:
- Public Health
- Health Disparities Research
- Infectious Disease Epidemiology
Background:
- Racial disparities in HIV/AIDS outcomes are well-documented.
- Health literacy, particularly numeracy, is increasingly recognized as a factor influencing health behaviors and outcomes.
- Effective self-management of antiretroviral therapy is crucial for individuals living with HIV.
Purpose of the Study:
- To investigate whether numeracy mediates the relationship between race and medication management in HIV-seropositive patients.
- To explore the role of numeracy in health disparities among African Americans with HIV/AIDS.
Main Methods:
- Cross-sectional study design involving HIV-seropositive patients.
- Assessment of medication management using a simulated HIV medication regimen.
- Statistical analysis to determine mediation effects of numeracy on race and medication management.
Main Results:
- Lower numeracy skills were found to mediate poor management of simulated HIV medication regimens among African Americans and women.
- This suggests numeracy is a significant factor contributing to medication self-management challenges in these populations.
Conclusions:
- Poor medication self-management, influenced by lower numeracy, may be a key driver of health disparities in African Americans with HIV/AIDS.
- Interventions targeting numeracy skills could improve medication self-management and reduce HIV/AIDS health disparities.
- Further research is needed to understand the specific risks for African American women.
Related Concept Videos
01:10Retrovirus Life Cycles
Retroviruses have a single-stranded RNA genome that undergoes a special form of replication. Once the retrovirus has entered the host cell, an enzyme called reverse transcriptase synthesizes double-stranded DNA from the retroviral RNA genome. This DNA copy of the genome is then integrated into the host’s genome inside the nucleus via an enzyme called integrase. Consequently, the retroviral genome is transcribed into RNA whenever the host’s genome is transcribed, allowing the retrovirus to...
01:23Dosage Regimen Designs: Nomograms and Tabulations
Nomograms and tabulations are vital tools used by clinicians to design accurate and individualized dosage regimens. These instruments provide a straightforward method for adjusting dosages based on individual patient characteristics, including age, weight, and physiological condition. The foundation of a drug's nomogram is population pharmacokinetic data collected and analyzed using specific models. This data simplifies complex equations, presenting them diagrammatically or tabularly for easy...
01:29Therapeutic Drug Monitoring: Affecting Factors
Therapeutic Drug Monitoring (TDM) is the clinical practice of measuring specific drug levels in a patient's blood or body tissues to manage and optimize therapy. TDM is crucial for drugs with narrow therapeutic windows, like warfarin and phenytoin, where incorrect doses can lead to treatment failure or severe side effects. This monitoring ensures the dosage administered is within a safe and effective range. The factors affecting therapeutic drug monitoring include:Patient-Specific Factors:a.
01:26Pharmacokinetics in Pediatric Patients: Drug Excretion
In pediatric medicine, understanding the renal function and drug elimination nuances is crucial for administering safe and effective treatments. Newborns, in particular, display markedly slower renal functions than adults, profoundly affecting how drugs are cleared from their bodies. This slower drug clearance requires clinicians to extend the dosing intervals for many medications to prevent drug accumulation and toxicity while ensuring therapeutic efficacy.One key area where these adjustments...
01:21Drug Accumulation During Multiple Dosing: Repetitive IV Injections
Calculating drug dosage and accumulation in multiple-dose regimens is crucial for achieving therapeutic efficacy while avoiding toxicity. This involves determining the plasma drug concentrations over time to optimize dosing schedules. The principle of superposition is fundamental in this process, allowing for the prediction of drug concentration in plasma following multiple doses based on single-dose data.The principle of superposition asserts that the plasma concentration-time curves from...
01:21Health Literacy
Health literacy is an individual's or a community's capacity to comprehend, receive, read, and use relevant healthcare information and services. The World Health Organization (WHO, 2018) defines health literacy as the cognitive and social skills that determine the ability of individuals to gain access to, understand, and use information in ways that promote and maintain good health. As a result, the WHO helps individuals manage long-term health concerns, participate in preventative programs,...