Publications by authors named "John Chalker"

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A systematic review of the effectiveness of strategies to improve health care provider performance in low- and middle-income countries: Methods and descriptive results.
Samantha Y Rowe, David H Peters, Kathleen A Holloway, John Chalker, Dennis Ross-Degnan

PLoS One· January 2020

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Effectiveness of strategies to improve health-care provider practices in low-income and middle-income countries: a systematic review.
Alexander K Rowe, Samantha Y Rowe, David H Peters, Kathleen A Holloway, John Chalker

Lancet Glob Health· November 2018

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A group randomized trial using an appointment system to improve adherence to ART at reproductive and child health clinics implementing Option B+ in Tanzania.
Dennis Ross-Degnan, John Chalker, Jafary Liana, Mwikemo Deborah Kajoka, Richard Valimba

PLoS One· October 2017

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Understanding the Role of Accredited Drug Dispensing Outlets in Tanzania's Health System.
Martha Embrey, Catherine Vialle-Valentin, Angel Dillip, Bernard Kihiyo, Romuald Mbwasi, John C Chalker

PLoS One· June 2017

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Can formalizing links among community health workers, accredited drug dispensing outlet dispensers, and health facility staff increase their collaboration to improve prompt access to maternal and child care? A qualitative study in Tanzania.
Angel Dillip, Suleiman Kimatta, Martha Embrey, John C Chalker, Richard Valimba

BMC Health Serv Res· June 2017

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What roles do accredited drug dispensing outlets in Tanzania play in facilitating access to antimicrobials? Results of a multi-method analysis.
John C Chalker, Catherine Vialle-Valentin, Jafary Liana, Romuald Mbwasi, Innocent A Semali

Antimicrob Resist Infect Control· August 2015

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What motivates antibiotic dispensing in accredited drug dispensing outlets in Tanzania? A qualitative study.
Angel Dillip, Martha Embrey, Elizabeth Shekalaghe, Dennis Ross-Degnan, Catherine Vialle-Valentin, John Chalker

Antimicrob Resist Infect Control· July 2015

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A systematic review of health system barriers and enablers for antiretroviral therapy (ART) for HIV-infected pregnant and postpartum women.
Christopher J Colvin, Sarah Konopka, John C Chalker, Edna Jonas, Jennifer Albertini

PLoS One· June 2015

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Improving adherence to antiretroviral treatment in Uganda with a low-resource facility-based intervention.
Celestino Obua, Joshua Kayiwa, Paul Waako, Göran Tomson, Hudson Balidawa, John Chalker

Glob Health Action· February 2015

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Appointment systems are essential for improving chronic disease care in resource-poor settings: learning from experiences with HIV patients in Africa.
John C Chalker, Anita K Wagner, Göran Tomson, Keith Johnson, Rolf Wahlström

Int Health· September 2013

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Facility-level intervention to improve attendance and adherence among patients on anti-retroviral treatment in Kenya--a quasi-experimental study using time series analysis.
Patrick Boruett, Dorine Kagai, Susan Njogo, Peter Nguhiu, Christine Awuor, John Chalker

BMC Health Serv Res· July 2013

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Multiple ART Programs Create a Dilemma for Providers to Monitor ARV Adherence in Uganda.
Celestino Obua, Annelie Gusdal, Paul Waako, John C Chalker, Goran Tomson

Open AIDS J· July 2011

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Peer counselors' role in supporting patients' adherence to ART in Ethiopia and Uganda.
Annelie K Gusdal, Celestino Obua, Tenaw Andualem, Rolf Wahlstrom, John Chalker

AIDS Care· June 2011

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Urgent need for coordination in adopting standardized antiretroviral adherence performance indicators.
John Chalker, Anita Wagner, Goran Tomson, Richard Laing, Keith Johnson

J Acquir Immune Defic Syndr· February 2010

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Measuring adherence to antiretroviral treatment in resource-poor settings: the clinical validity of key indicators.
Dennis Ross-Degnan, Marsha Pierre-Jacques, Fang Zhang, Hailu Tadeg, Lillian Gitau, John Chalker

BMC Health Serv Res· February 2010

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Measuring adherence to antiretroviral treatment in resource-poor settings: the feasibility of collecting routine data for key indicators.
John C Chalker, Tenaw Andualem, Lillian N Gitau, Joseph Ntaganira, Celestino Obua

BMC Health Serv Res· February 2010

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Voices on adherence to ART in Ethiopia and Uganda: a matter of choice or simply not an option?
Annelie K Gusdal, Celestino Obua, Tenaw Andualem, Rolf Wahlstrom, Goran Tomson, John Chalker

AIDS Care· November 2009

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Monitoring adherence and defaulting for antiretroviral therapy in 5 East african countries: an urgent need for standards.
John Chalker, Tenaw Andualem, Omary Minzi, Joseph Ntaganira, Atieno Ojoo

J Int Assoc Physicians AIDS Care (Chic)· February 2009

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Private pharmacies in Hanoi, Vietnam: a randomized trial of a 2-year multi-component intervention on knowledge and stated practice regarding ARI, STD and antibiotic/steroid requests.
John Chalker, N T K Chuc, T Falkenberg, G Tomson

Trop Med Int Health· September 2002

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