Malnutrition in all its forms has risen on global and national agendas in recent years because of the recognition of its magnitude and its consequences for a wide range of human, social, and economic outcomes. Although the WHO, national governments, and other organizations have endorsed targets and identified appropriate policies, programs, and interventions, a major challenge lies in implementing these with the scale and quality needed to achieve population impact. This paper presents an approach to implementation science in nutrition (ISN) that builds upon concepts developed in other policy domains and addresses critical gaps in linking knowledge to effective action. ISN is defined here as an interdisciplinary body of theory, knowledge, frameworks, tools, and approaches whose purpose is to strengthen implementation quality and impact. It includes a wide range of methods and approaches to identify and address implementation bottlenecks; means to identify, evaluate, and scale up implementation innovations; and strategies to enhance the utilization of existing knowledge, tools, and frameworks based on the evolving science of implementation. The ISN framework recognizes that quality implementation requires alignment across 5 domains: the intervention, policy, or innovation being implemented; the implementing organization(s); the enabling environment of policies and stakeholders; the individuals, households, and communities of interest; and the strategies and decision processes used at various stages of the implementation process. The success of aligning these domains through implementation research requires a culture of inquiry, evaluation, learning, and response among program implementers; an action-oriented mission among the research partners; continuity of funding for implementation research; and resolving inherent tensions between program implementation and research. The Society for Implementation Science in Nutrition is a recently established membership society to advance the science and practice of nutrition implementation at various scales and in varied contexts.
Background: The global policy discourse on sustainability and health has called for dietary transformations that require diverse, concerted actions from governments and institutions. In this article, we highlight the need to examine sociocultural influences on food practices as precursors to food policy decisions. Discussion: Sociocultural food practices relate to ideas and materials that give rise to food choices and food patterns of a group. We begin with a discussion of how individuals experience, interpret, negotiate, and symbolize the food world around them. We examine primarily the ideational pathways, such as identity, gender, religion, and cultural prohibitions, and their influence on food practices. We then provide guiding questions, frameworks, and a brief overview of food choice values to support policy planning and design. Lastly, we explore how sociocultural change for sustainable or healthy diets is already happening through food movements, food lifestyles, and traditional diets.
Scalable interventions are needed to improve infant and young child feeding (IYCF). We evaluated whether an IYCF nutrition communication strategy using radio and nurses changed beliefs, attitudes, social norms, intentions, and behaviors related to breastfeeding (BF), dietary diversity, and food consistency. Women with children 6-24 mo were randomly selected from 6 semi-urban, low-income communities in the Mexican state of Morelos (intervention, n = 266) and from 3 comparable communities in Puebla (control, n = 201). Nurses delivered only once 5 scripted messages: BF, food consistency, flesh-food and vegetable consumption, and feed again if food was rejected; these same messages aired 7 times each day on 3 radio stations for 21 d. The control communities were not exposed to scripted messages via nurse and radio. We used a pre-/post-test design to evaluate changes in beliefs, attitudes, norms, and intentions as well as change in behavior with 7-d food frequency questions. Mixed models were used to examine intervention-control differences in pre-/post changes. Coverage was 87% for the nurse component and 34% for radio. Beliefs, attitudes, and intention, but not social norms, about IYCF significantly improved in the intervention communities compared with control. Significant pre-/post changes in the intervention communities compared with control were reported for BF frequency (3.7 ± 0.6 times/d), and consumption of vegetables (0.6 ± 0.2 d) and beef (0.2 ± 0.1 d) and thicker consistency of chicken (0.6 ± 0.2 d) and vegetable broths (0.8 ± 0.4 d). This study provides evidence that a targeted communication strategy using a scalable model significantly improves IYCF.
Nearly all countries in the world today are burdened with malnutrition, manifesting as undernutrition, micronutrient deficiencies, and/or overweight and obesity. Despite some progress, efforts to alleviate malnutrition are hampered by a shortage in number, skills, and geographic coverage, of a workforce for nutrition. Here, we report the findings of the Castel Gandolfo workshop, a convening of experts from diverse fields in March 2014 to consider how to develop the capacity of a global cadre of nutrition professionals for the post-2015 development era. Workshop participants identified several requirements for developing a workforce for nutrition, including an ability to work as part of a multisectoral team; communication, advocacy, and leadership skills to engage decision makers; and a set of technical skills to address future challenges for nutrition. Other opportunities were highlighted that could immediately contribute to capacity development, including the creation of a consortium to link global North and South universities, online training modules for middle managers, and practical, hands-on experiences for frontline nutrition workers. Institutional and organizational support is needed to enable workshop recommendations on education and training to be effectively implemented and sustained. The findings from the Castel Gandolfo workshop can contribute to the delivery of successful nutrition-relevant actions in the face of mounting external pressures and informing and attaining the forthcoming Sustainable Development Goals.
Iron deficiency (ID) is prevalent among infants world-wide and may be more likely among infants born to women living in disadvantaged environments. A strategy to address ID in this context is to feed iron-fortified formula, but this may create risk for gastrointestinal (GI) infection. Our objective was to investigate the relationship between infant feeding practices, iron status, and likelihood of a GI infection in the first 6 mo of life. We conducted a prospective study at a public hospital in Guadalajara, Mexico. Healthy women who gave birth to a healthy term infant were eligible to participate. Each month, mothers (n = 154) provided information on infant feeding methods and symptoms of GI infection. At 6 mo of age, infants' iron status was assessed [hemoglobin (Hb) and serum ferritin concentration]. When compared with nonpredominantly breast-fed [partially breast-feeding (PBF) and formula feeding (FF) combined], predominantly breast-fed (PRBF) infants to 6 mo had a lower incidence of GI infection from 0-6 mo [18 vs. 33%; P = 0.04; adjusted odds ratio (OR) = 0.4; 95% CI = 0.2, 1.0] but a higher risk for ID (serum ferritin < 12 microg/L) at 6 mo (22 vs. 4%; P = 0.001; adjusted OR = 9.2; 95% CI = 2.3, 37.0). Anemia (Hb < 110 g/L) prevalence did not differ among feeding groups (13% for PRBF, 19% for PBF, and 4% for FF; P = 0.09). In this low-income population, our results suggest that PRBF should be promoted and the risk for ID managed using public health and nutrition strategies.
In Mexico, the school environment has been promoting sale of unhealthy foods. There is little empirical evidence on multi-stakeholder perspectives around national school food policy to regulate this. We studied stakeholders' perspectives on the proposed regulation for school sale of unhealthy foods. Comments about the regulation were available from an open consultation process held in June 2010 before the approval and implementation of the regulation. To examine perspectives, we coded 597 comments for beliefs, expectations and demands in NVivo. We created matrices by actors: academics, parents, citizens, health professionals and food industry. For academics, citizens and health professionals, the primary issue regarding the regulation was obesity, while for parents it was health of children. Academics, citizens, health professionals and parents believed that government was responsible for health of citizens, expected that this regulation would improve eating habits and health (i.e. less obesity and chronic diseases), and demanded that unhealthy foods be removed from schools. Parents demanded immediate action for school food policy that would protect their children. Citizens and health professionals demanded nutrition education and healthy food environment. Food industry opposed the regulation because it would not solve obesity or improve diet and physical activity behaviours. Instead, industry would lose income and jobs. Food industry demanded policy aimed at families that included nutrition education and physical activity. There was substantial consensus in narratives and perspectives for most actor types, with the primary narrative being the food environment followed by shared responsibility. Food industry rejected both these narratives, espousing instead the narrative of personal responsibility. Consensus among most actor groups supports the potential success of implementation of the regulation in Mexican schools. With regard to addressing childhood obesity, sound government policy is needed to balance different perspectives and desired outcomes among societal actors, particularly in Mexico between food industry and other actors.
Background: Sustainable healthy diets are those dietary patterns that promote all dimensions of individuals’ health and well-being; have low environmental pressure and impact; are accessible, affordable, safe, and equitable; and are culturally acceptable. The food environment, defined as the interface between the wider food system and consumer’s food acquisition and consumption, is critical for ensuring equitable access to foods that are healthy, safe, affordable, and appealing. Discussion: Current food environments are creating inequities, and sustainable healthy foods are generally more accessible for those of higher socioeconomic status. The physical, economic, and policy components of the food environment can all be acted on to promote sustainable healthy diets. Physical spaces can be modified to improve relative availability (ie, proximity) of food outlets that carry nutritious foods in low-income communities; to address economic access certain actions may improve affordability, such as fortification, preventing food loss through supply chain improvements; and commodity specific vouchers for fruits, vegetables, and legumes. Other policy actions that address accessibility to sustainable healthy foods are comprehensive marketing restrictions and easy-to-understand front-of-pack nutrition labels. While shaping food environments will require concerted action from all stakeholders, governments and private sector bear significant responsibility for ensuring equitable access to sustainable healthy diets.
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