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Dive into the research topics where Angela M. Bayer is active.

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Featured researches published by Angela M. Bayer.


American Journal of Tropical Medicine and Hygiene | 2009

Factors Associated with Delayed Tuberculosis Test-seeking Behavior in the Peruvian Amazon

Carolyn M. Ford; Angela M. Bayer; Robert H. Gilman; Dami Onifade; Colleen D Acosta; Lilia Cabrera; Carlos Vidal; Carlton A. Evans

This study aimed to determine the psychosocial factors associated with delayed test-seeking among tuberculosis patients. The duration of symptoms before seeking medical care was assessed by interview for 108 newly diagnosed pulmonary tuberculosis patients in the city of Iquitos in the Peruvian Amazon, which has high tuberculosis incidence. Beliefs associated with test-seeking behavior and delay was assessed in these patients. The median delay from symptom onset to seeking diagnostic testing was 61 days (inter-quartile range 30-91 days). The belief that tuberculosis is curable was associated with a 100% longer test-seeking delay; the perception that tuberculosis was common was associated with a 57% longer delay; male gender was associated with a 48% longer delay; and education less than complete secondary schooling was associated with a 44% longer delay. In conclusion, current health promotion activities that emphasize tuberculosis curability and high prevalence may paradoxically increase test-seeking delay and therefore require prospective evaluation.


Social Science & Medicine | 2010

Adolescents can know best: Using concept mapping to identify factors and pathways driving adolescent sexuality in Lima, Peru

Angela M. Bayer; Lilia Cabrera; Robert H. Gilman; Michelle J. Hindin; Amy O. Tsui

The primary objective of this study was to identify and describe individual- and environmental-level factors that Peruvian adolescents perceive to be related to adolescent sexuality. A series of concept mapping sessions were carried out from January-March 2006 with 63 15-17 year olds from a low-income community near Lima in order for adolescents to: (1) brainstorm items that they thought were related to sexuality, (2) sort, group and rate items to score their importance for sexuality-related outcomes, and (3) create pathways from the groups of items to engaging in sex. Brainstorming resulted in 61 items, which participants grouped into 11 clusters. The highest rated clusters were personal values, respect and confidence in partner relationships, future achievements and parent-child communication. The pathway of decision-making about having sex primarily contained items rated as only moderately important. This study identified important understudied factors, new perspectives on previously-recognized factors, and possible pathways to sexual behavior. These interesting and provocative findings underscore the importance of directly integrating adolescent voices into future sexual and reproductive health research, policies and programs that target this population.


BMC Medical Informatics and Decision Making | 2009

An e-health driven laboratory information system to support HIV treatment in Peru: E-quity for laboratory personnel, health providers and people living with HIV

Patricia J. García; Javier Vargas; Patricia Caballero Ñ; Javier Calle; Angela M. Bayer

BackgroundPeru has a concentrated HIV epidemic with an estimated 76,000 people living with HIV (PLHIV). Access to highly active antiretroviral therapy (HAART) expanded between 2004-2006 and the Peruvian National Institute of Health was named by the Ministry of Health as the institution responsible for carrying out testing to monitor the effectiveness of HAART. However, a national public health laboratory information system did not exist. We describe the design and implementation of an e-health driven, web-based laboratory information system - NETLAB - to communicate laboratory results for monitoring HAART to laboratory personnel, health providers and PLHIV.MethodsWe carried out a needs assessment of the existing public health laboratory system, which included the generation and subsequent review of flowcharts of laboratory testing processes to generate better, more efficient streamlined processes, improving them and eliminating duplications. Next, we designed NETLAB as a modular system, integrating key security functions. The system was implemented and evaluated.ResultsThe three main components of the NETLAB system, registration, reporting and education, began operating in early 2007. The number of PLHIV with recorded CD4 counts and viral loads increased by 1.5 times, to reach 18,907. Publication of test results with NETLAB took an average of 1 day, compared to a pre-NETLAB average of 60 days. NETLAB reached 2,037 users, including 944 PLHIV and 1,093 health providers, during its first year and a half. The percentage of overall PLHIV and health providers who were aware of NETLAB and had a NETLAB password has also increased substantially.ConclusionNETLAB is an effective laboratory management tool since it is directly integrated into the national laboratory system and streamlined existing processes at the local, regional and national levels. The system also represents the best possible source of timely laboratory information for health providers and PLHIV, allowing patients to access their own results and other helpful information about their health, extending the scope of HIV treatment beyond the health facility and providing a model for other countries to follow. The NETLAB system now includes 100 diseases of public health importance for which the Peruvian National Institute of Health and the network of public health laboratories provide testing and results.


Sexually Transmitted Infections | 2014

'Just getting by': a cross-sectional study of male sex workers as a key population for HIV/STIs among men who have sex with men in Peru

Angela M. Bayer; Mijail Garvich; David A. Díaz; Hugo Sánchez; Patricia J. García; Thomas J. Coates

Objectives To describe the sociodemographic and sex work characteristics, recent sexual practices, HIV risk perception and testing history, and HIV and syphilis prevalence of Cercado (downtown) and non-Cercado (close urban) male sex workers (MSWs) in Lima, Peru. Methods Eighty-nine MSWs completed a self-administered survey and participated in HIV and syphilis testing. Results Cercado MSWs had significantly lower median weekly earnings than non-Cercado MSWs (US


Health Education & Behavior | 2011

Missed Opportunities for Health Education on Pap Smears in Peru

Angela M. Bayer; Lauren Nussbaum; Lilia Cabrera; Valerie A. Paz-Soldan

43 vs US


Global Public Health | 2011

The social constructions of unwanted pregnancy and abortion in Lima, Peru

Nancy Palomino; Miguel Ramos Padilla; Brigitte Davey Talledo; Christian Guzmán Mazuelos; Jessica Carda; Angela M. Bayer

72, p=0.04). Most non-Cercado MSWs (81%) reported only insertive anal intercourse with male/transgender partners, while Cercado MSWs primarily reported only insertive (52%) or insertive and receptive (45%) anal intercourse (p=0.03). Consistent condom use was low with insertive and receptive anal intercourse in both subgroups. Among MSWs with recent female partners, condom use with the last partner was lower among Cercado versus non-Cercado MSWs for vaginal sex (37% vs 65%, p=0.04) and anal sex (27% vs 80%, p=0.01). More Cercado than non-Cercado MSWs (57% vs 42%) perceived high HIV risk (p=0.05) and Cercado MSWs had a much higher prevalence than non-Cercado MSWs of HIV (23% vs 4%, p=0.04) and syphilis (22% vs 0%, p=0.02) infections. Conclusions MSWs in Lima are diverse and Cercado MSWs are ‘just getting by,’ engaging in more risk behaviours, and more likely to have HIV/STIs. Future research should identify, describe and carry out HIV/STI testing with broader groups of MSWs and their client and non-client partners. Prevention efforts should provide HIV/STI risk reduction education for MSWs and related subgroups who are currently not targeted such as female partners.


International Journal of Std & Aids | 2015

Operations research study to implement HIV and syphilis point-of-care tests and assess client perceptions in a marginalised area of Lima, Peru.

Elaine C. Flores; Maria E Lluque; Marina Chiappe; Rosabel Lino; Angela M. Bayer

Despite cervical cancer being one of the leading causes of cancer-related deaths among women in Peru, cervical Pap smear coverage is low. This article uses findings from 185 direct clinician observations in four cities of Peru (representing the capital and each of the three main geographic regions of the country) to assess missed opportunities for health education on Pap smears and other preventive women’s health behaviors during women’s visits to a health care provider. Various types of health establishments, provider settings, and provider types were observed. Opportunities for patient education on the importance of prevention were rarely exploited. In fact, health education provided was minimal. Policy and programmatic implications are discussed.


American Journal of Men's Health | 2014

When Sex Work Becomes Your Everything The Complex Linkages Between Economy and Affection Among Male Sex Workers in Peru

Angela M. Bayer; Mijail Garvich; David A. Díaz; Hugo Sánchez; Patricia J. García; Thomas J. Coates

Although modern contraceptive use in Peru has increased, many women still face unwanted or unplanned pregnancies and abortions remain high despite the illegality of elective pregnancy termination. To improve understanding of how men and women make reproductive decisions, we conducted this study in Lima. Fifty-two 18–37 year old low- and middle-income women and men participated in in-depth interviews and focus groups. Reproductive planning constitutes a worry among participants. The paradigm of contraception, pregnancy, childbearing and pregnancy termination is complex and contained within a context of contradictory pressures toward women: while women feel the need to be autonomous in all realms of their lives, they also need to meet the traditional roles associated with sexuality and childbearing and rearing. The woman, her partner and family members take part in reproductive decisions. However, participants expressed difficulties preventing unwanted pregnancies and social stigma if they resorted to abortion or, interestingly, if they continued a pregnancy when involved in a socially undesirable personal situation. Abortion-related stigma generated fear and guilt in addition to safety concerns given the unsafe, clandestine contexts in which pregnancy termination takes place. Despite these concerns, interviewees often opted for abortion for personal reasons, which were primarily economic.


American Journal of Tropical Medicine and Hygiene | 2015

Needs, Acceptability, and Value of Humanitarian Medical Assistance in Remote Peruvian Amazon Riverine Communities

Juan F. Sanchez; Eric S. Halsey; Angela M. Bayer; Martin Beltran; Hugo Razuri; Daniel E. Velasquez; Vitaliano Cama; Paul C. F. Graf; Antonio M. Quispe; Ryan C. Maves; Joel M. Montgomery; John W. Sanders; Andres G. Lescano

In Peru, a significant proportion of people tested for HIV and syphilis do not receive timely results. Our objective was to assess the institutional feasibility of implementing simultaneous HIV/syphilis point-of-care tests and client perceptions regarding these point-of-care tests. Point-of-care tests were implemented in a hospital consultation room in a marginalised zone of Lima. A time-series design was used to compare the proportion of tested clients who received timely results, with and without the point-of-care test intervention. Experience and satisfaction with point-of-care tests was evaluated with 149 people. In the 6 months without intervention, 69% and 61% of clients tested for HIV and syphilis, respectively, received their results within the required 45-minute window. During the 2-month point-of-care test intervention, all clients tested for HIV (n = 387) and syphilis (n = 398) received their results within 45 minutes. All clients surveyed were completely satisfied (52%) or satisfied (48%) with the simultaneous HIV/syphilis point-of-care test screening process. Additionally, 73% strongly agreed with the statement ‘I feel satisfied with the rapid testing process.’ Screening using point-of-care tests represents an important opportunity to reduce the time, resource and cost burden for users and institutions and increase the proportion of users receiving their test results in a timely manner.


The International Quarterly of Community Health Education | 2011

Low knowledge of cervical cancer and cervical pap smears among women in Peru, and their ideas of how this could be improved.

Valerie A. Paz-Soldan; Lauren Nussbaum; Angela M. Bayer; Lilia Cabrera

In Peru, there are few studies on male sex workers (MSWs), and existing studies explore limited subgroups or offer limited information about MSWs’ perspectives. This study provides in-depth perspectives from 40 MSWs who work in downtown Lima (Cercado) and in surrounding urban neighborhoods (non-Cercado) through interviews on their identities, lives, and HIV/STI (sexually transmitted infection) risks and vulnerabilities. Findings are that entry into sex work links economy and affection, particularly among Cercado MSWs. Continued sex work cements this link, making it difficult to exit sex work and establish goals. Ties between economics and affections influence MSWs’ perceived HIV/STI risks, vulnerabilities, and prevention practices. Although Cercado MSWs report higher HIV/STI risks and vulnerabilities than non-Cercado peers, they report fewer prevention practices given inability to buy condoms and acceptance of client offers of higher payment, especially clients they feel affection for. MSWs need support to strengthen their self-perceptions and define and pursue their goals in order to improve their HIV/STI prevention practices, health, and well-being.

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Andres G. Lescano

Cayetano Heredia University

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Amy O. Tsui

Johns Hopkins University

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Lilia Cabrera

Johns Hopkins University

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Andrés M. Carnero

Cayetano Heredia University

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David A. Díaz

Cayetano Heredia University

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Elaine C. Flores

Cayetano Heredia University

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Mijail Garvich

Cayetano Heredia University

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