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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
medicine
Theory-driven process evaluation of a complementary feeding trial in four countries
Health Education Research, Volume 29, No. 2, Year 2014
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Description
We conducted a theory-driven process evaluation of a cluster randomized controlled trial comparing two types of complementary feeding (meat versus fortified cereal) on infant growth in Guatemala, Pakistan, Zambia and the Democratic Republic of Congo. We examined process evaluation indicators for the entire study cohort (N = 1236) using chi-square tests to examine differences between treatment groups. We administered exit interviews to 219 caregivers and 45 intervention staff to explore why caregivers may or may not have performed suggested infant feeding behaviors. Multivariate regression analysis was used to determine the relationship between caregiver scores and infant linear growth velocity. As message recall increased, irrespective of treatment group, linear growth velocity increased when controlling for other factors (P < 0.05), emphasizing the importance of study messages. Our detailed process evaluation revealed few differences between treatment groups, giving us confidence that the main trial's lack of effect to reverse the progression of stunting cannot be explained by differences between groups or inconsistencies in protocol implementation. These findings add to an emerging body of literature suggesting limited impact on stunting of interventions initiated during the period of complementary feeding in impoverished environments. The early onset and steady progression support the provision of earlier and comprehensive interventions. © The Author 2014.
Authors & Co-Authors
Newman, Jamie E.
United States, Research Triangle Park
Rti International
Garcés, Ana Lucía
Guatemala, Guatemala City
Universidad Francisco Marroquin
Mazariegos, Manolo
Guatemala, Guatemala City
Institute of Nutrition for Central America and Panama
Michael Hambidge, K.
United States, Aurora
University of Colorado Anschutz Medical Campus
Manasyan, Albert
Zambia, Lusaka
Centre for Infectious Disease Research in Zambia
Tshefu, Antoinette Kitoto
Congo, Kinshasa
Kinshasa School of Public Health
Lokangaka, Adrien L.
Congo, Kinshasa
Kinshasa School of Public Health
Sami, Neelofar
Pakistan, Karachi
The Aga Khan University Medical College
Carlo, Waldemar A.
United States, Birmingham
The University of Alabama at Birmingham
Bose, Carl Lewis
United States, Chapel Hill
Unc School of Medicine
Pasha, Omrana
Pakistan, Karachi
The Aga Khan University Medical College
Goco, Norman J.
United States, Research Triangle Park
Rti International
Chomba, Elwyn Nachanya
Zambia, Lusaka
University Teaching Hospital Lusaka
Goldenberg, Robert L.
United States, New York
Columbia University
Wright, Linda L.
United States, Bethesda
National Institute of Child Health and Human Development Nichd
Koso-Thomas, Marion W.
United States, Bethesda
National Institute of Child Health and Human Development Nichd
Krebs, Nancy F.
United States, Aurora
University of Colorado Anschutz Medical Campus
Statistics
Citations: 17
Authors: 17
Affiliations: 12
Identifiers
Doi:
10.1093/her/cyt115
ISSN:
02681153
e-ISSN:
14653648
Research Areas
Food Security
Maternal And Child Health
Study Design
Randomised Control Trial
Cohort Study
Study Approach
Quantitative
Study Locations
Congo
Zambia