Related Experiment Video
Updated: Jul 5, 2026
23:56
Comprehensive & Cost Effective Laboratory Monitoring of HIV/AIDS: an African Role Model
Published on: October 31, 2010
HIV interventions affect behavior indirectly: results from the AIDS Community Demonstration Projects
Marco Yzer1, Martin Fishbein, Michael Hennessy
1School of Journalism and Mass Communication, University of Minnesota, Minneapolis, MN, USA. mcyzer@umn.edu
AIDS Care
|May 2, 2008
Summary
Behavioral theory guides HIV prevention. This study shows the AIDS Community Demonstration Projects improved condom use by boosting intention and self-efficacy, demonstrating how interventions impact behavioral determinants.
Area of Science:
- Public Health
- Behavioral Science
- Social Science
Background:
- Behavioral theory is crucial for designing effective HIV prevention programs.
- Program evaluations often assess message exposure's link to behavior change, potentially overlooking underlying psychological determinants.
- Understanding how interventions influence specific behavioral predictors is key to program efficacy.
Purpose of the Study:
- To illustrate how behavioral theory can elucidate the mechanisms of HIV prevention programs.
- To demonstrate that observed behavior change in the AIDS Community Demonstration Projects (ACDP) was mediated by improvements in behavioral determinants.
- To emphasize the need for evaluations to assess changes in targeted behavioral determinants.
Main Methods:
- Utilized data from the AIDS Community Demonstration Projects (ACDP).
- Analyzed the relationship between program interventions, behavioral determinants (intention, self-efficacy), and behavior change (condom use).
- Applied principles of behavioral theory to interpret program outcomes.
Main Results:
- The ACDP successfully increased consistent condom use among at-risk populations with both main and non-main partners.
- These behavioral improvements were significantly explained by enhanced intention and self-efficacy for condom use.
- The findings highlight the mediating role of behavioral determinants in program effectiveness.
Conclusions:
- Effective HIV prevention programs work by influencing critical behavioral determinants.
- Program evaluations must measure changes in these determinants to understand intervention mechanisms.
- A focus on behavioral determinants provides a clearer picture of how HIV prevention strategies achieve success.
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...
01:26Sexually Transmitted Infections
Sexually transmitted infections (STIs) are diseases transmitted primarily through unsafe sexual interactions. Bacteria, viruses, or parasites cause them and can result in severe health complications if untreated.ChlamydiaThe bacterium Chlamydia trachomatis is responsible for the disease Chlamydia, the most common STI in the United States. This peculiar pathogen requires human cells to reproduce, residing intracellularly. The initial infection often goes unnoticed because it typically does not...
01:28Amebiasis
Entamoeba histolytica, a protozoan parasite, is responsible for intestinal and extraintestinal amebiasis. Though a significant proportion of infections remain asymptomatic, approximately 50 million individuals annually are estimated to present with clinical disease, resulting in up to 100,000 deaths globally. The disease burden is disproportionately high in regions with lower socioeconomic status, such as parts of India, Africa, Mexico, and Latin America.Etiology and TransmissionThe infective...
01:30Community Based Intervention
Community-based interventions in mental health represent a paradigm shift from institution-centered care to treatments embedded within the fabric of local communities. By prioritizing inclusion and leveraging existing societal structures, this approach fosters a supportive environment conducive to addressing mental health challenges while promoting individual dignity and agency.
Foundations of Community Mental Health Programs
Central to the success of community-based interventions is the...
Foundations of Community Mental Health Programs
Central to the success of community-based interventions is the...
01:22Healthcare Associated Infections II: Preventive Measures
Essential infection prevention measures are based on the knowledge of the infection chain, the modes of transmission in healthcare settings, and the use of the best practices in all healthcare settings. Compulsory public reporting of healthcare-associated infection rates is needed to allow individuals and the community to make informed choices regarding selecting a healthcare facility.
The best practices for preventing healthcare-associated infections include hand hygiene, patient risk...
The best practices for preventing healthcare-associated infections include hand hygiene, patient risk...
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.