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eHealth and web-based service delivery have become increasingly common during the COVID-19 pandemic. Digital interventions may be highly appealing to young people; however, their effectiveness compared with that of the usual face-to-face interventions is unknown. As nutrition interventions merge with the digital world, there is a need to determine the best practices for digital interventions for children. The aim of this study is to examine the effectiveness of digital nutrition interventions for children on dietary outcomes compared with status quo interventions (eg, conventional face-to-face programming or nondigital support). We conducted an umbrella review of systematic reviews of studies assessing primary research on digital interventions aimed at improving food and nutrition outcomes for children aged <18 years compared with conventional nutrition education were eligible for inclusion. In total, 11 systematic reviews published since 2015 were included (7/11, 64%, were of moderate quality). Digital interventions ranged from internet, computer, or mobile interventions to websites, programs, apps, email, videos, CD-ROMs, games, telehealth, SMS text messages, and social media, or a combination thereof. The dose and duration of the interventions varied widely (single to multiple exposures; 1-60 minutes). Many studies have been informed by theory or used behavior change techniques (eg, feedback, goal-setting, and tailoring). The effect of digital nutrition interventions for children on dietary outcomes is small and inconsistent. Digital interventions seemed to be the most promising for improving fruit and vegetable intake compared with other nutrition outcomes; however, reviews have found mixed results. Owing to the heterogeneity and duration of digital interventions, follow-up evaluations, comparison groups, and outcomes measured, the effectiveness of these interventions remains unclear. High-quality evidence with common definitions for digital intervention types evaluated with validated measures is needed to improve the state of evidence, to inform policy and program decisions for health promotion in children. Now is the time for critical, robust evaluation of the adopted digital interventions during and after the COVID-19 pandemic to establish best practices for nutrition interventions for children.

Malnutrition is widespread in older people and represents a major geriatric syndrome with multifactorial etiology and severe consequences for health outcomes and quality of life. The aim of the present paper is to describe current approaches and evidence regarding malnutrition treatment and to highlight relevant knowledge gaps that need to be addressed. Recently published guidelines of the European Society for Clinical Nutrition and Metabolism (ESPEN) provide a summary of the available evidence and highlight the wide range of different measures that can be taken—from the identification and elimination of potential causes to enteral and parenteral nutrition—depending on the patient’s abilities and needs. However, more than half of the recommendations therein are based on expert consensus because of a lack of evidence, and only three are concern patient-centred outcomes. Future research should further clarify the etiology of malnutrition and identify the most relevant causes in order to prevent malnutrition. Based on limited and partly conflicting evidence and the limitations of existing studies, it remains unclear which interventions are most effective in which patient groups, and if specific situations, diseases or etiologies of malnutrition require specific approaches. Patient-relevant outcomes such as functionality and quality of life need more attention, and research methodology should be harmonised to allow for the comparability of studies.

The health system is the primary vehicle for the delivery of nutrition‐specific interventions that aim to reduce maternal and child malnutrition. The integration of nutrition interventions into existing health interventions is promising, but to ensure that no one is left behind requires that access to essential health services is equitably distributed. This study aims to assess trends and socioeconomic inequalities in coverage of reproductive, maternal, newborn and child health (RMNCH) and assess its association with child nutritional outcomes in Ethiopia. Using the Ethiopian Demographic and Health Survey (2005, 2011, 2016, and 2019), we estimated the coverage of RMNCH interventions in Ethiopia using the co‐coverage index, which is a count of the number of interventions accessed. We assessed the trend and inequalities in co‐coverage and evaluated its association with child nutritional outcomes like stunting, wasting, and minimum dietary diversity (MDD). The national co‐coverage index has shown a significant increase over the 2005–2019 period. However, all of the RMNCH interventions constituting the co‐coverage index showed a pro‐rich and pro‐urban distribution (p < 0.05). The highest inequality, based on the slope index of inequality (SII), was observed for skilled assistance during delivery (SII: 80.4%), followed by access to an improved source of drinking water (SII: 62.6%), and antenatal care visits (SII: 55.5%). The low coverage in RMNCH and the observed inequality were associated with stunting, wasting, and MDD. Reducing socioeconomic inequality in RMNCH is key to achieve the health, nutrition and equity‐related goals of the Sustainable Development Goals. Trend in co‐coverage of reproductive, maternal, newborn and child health interventions in Ethiopia (2005–2019). Key messages Significant increases in the coverage of reproductive, maternal, newborn and child health (RMNCH) interventions were observed between 2005 and 2019. Inequalities in RMNCH interventions were stark and showed pro‐rich and pro‐urban distribution. Improved co‐coverage of RMNCH interventions is associated with reduced odds of stunting and wasting, and increases in dietary diversity among children 6–23 months of age. Analyses stratified by rural/urban residence and wealth quintile showed that the association between co‐coverage and dietary diversity was stronger for urban and the wealthiest quintile.

This review was prepared jointly by the World Bank Group and the World Food Programme (WFP), building on the comparative advantages of both organizations. It examines the evidence base for school feeding programs with the objective of better understanding how to develop and implement effective school feeding programs in two contexts: a productive safety net, as part of the response to the social shocks of the global food, fuel and financial crises, and a fiscally sustainable investment in human capital, as part of long-term global efforts to achieve Education for All and provide social protection to the poor.

Indigenous peoples and ethnic minority groups often experience poor diet quality and poor health outcomes. Such inequities may be partially due to nutrition interventions not meeting the unique cultural and linguistic needs of these population groups, which could be achieved using co-creation and/or personalised approaches. Cultural adaptation or tailoring of nutrition interventions has shown promise in improving some aspects of dietary intake, but this requires careful consideration to ensure it does not inadvertently exacerbate dietary inequities. The aim of this narrative review was to examine examples of cultural adaptations and/or tailoring of public health nutrition interventions that improved the dietary intake and to consider implications for the optimal design and implementation of personalised and precision nutrition interventions. This review identified six examples of cultural adaptation and/or tailoring of public health nutrition intervention in Indigenous peoples and ethnic minority groups across Australia, Canada and the US. All studies used deep socio-cultural adaptations, such as the use of Indigenous storytelling, and many included surface-level adaptations, such as the use of culturally appropriate imagery in intervention materials. However, it was not possible to attribute any improvements in dietary intake to cultural adaptation and/or tailoring per se, and the minimal reporting on the nature of adaptations limited our ability to determine whether the interventions used true co-creation to design content or were adapted from existing interventions. Findings from this review outline opportunities for personalised nutrition interventions to use co-creation practices to design, deliver and implement interventions in collaboration with Indigenous and ethnic minority groups.

The dietary practices of athletes play a crucial role in shaping their body composition, influencing sports performance, training adaptations, and overall health. However, despite the widely acknowledged significance of dietary intake in athletic success, there exists a gap in our understanding of the intricate relationships between nutrition, body composition, and performance. Furthermore, emerging evidence suggests that many athletes fail to adopt optimal nutritional practices, which can impede their potential achievements. In response, this Special Issue seeks to gather research papers that delve into athletes’ dietary practices and their potential impacts on body composition and sports performance. Additionally, studies focusing on interventions aimed at optimizing dietary habits are encouraged. This paper outlines the key aspects and points that will be developed in the ensuing articles of this Special Issue.

Malnutrition is prevalent among oncology patients and can adversely affect clinical outcomes, prognosis, quality of life, and survival. This review evaluates current trends in the literature and reported evidence around the timing and impact of specific nutrition interventions in oncology patients undergoing active cancer treatment. Previous research studies (published 1 January 2010–1 April 2020) were identified and selected using predefined search strategy and selection criteria. In total, 15 articles met inclusion criteria and 12/15 articles provided an early nutrition intervention. Identified studies examined the impacts of nutrition interventions (nutrition counseling, oral nutrition supplements, or combination of both) on a variety of cancer diagnoses. Nutrition interventions were found to improve body weight and body mass index, nutrition status, protein and energy intake, quality of life, and response to cancer treatments. However, the impacts of nutrition interventions on body composition, functional status, complications, unplanned hospital readmissions, and mortality and survival were inconclusive, mainly due to the limited number of studies evaluating these outcomes. Early nutrition interventions were found to improve health and nutrition outcomes in oncology patients. Future research is needed to further evaluate the impacts of early nutrition interventions on patients’ outcomes and explore the optimal duration and timing of nutrition interventions.

Background and aims: As policy-makers assess the value of money spent on health care, research in the field of health economics is expanding rapidly. This review covers a period of 10 years and seeks to characterize the publication of papers at the intersection of health economics and nutrition. Methods: Relevant publications on nutrition care were identified in the medical literature databases using predetermined search criteria. These included nutritional interventions linked to health economic terms with inclusion criteria requiring original research that included clinical outcomes and cost analyses, subjects' ages [greater than or equal to]18 years, and publications in English between January 2004 and October 2014. Results: Of the 5,646 publications identified in first-round searches, 274 met the specified inclusion criteria. The number of publications linking nutrition to economic outcomes has increased markedly over the 10-year period, with a growing number of studies in both developed and developing countries. Most studies were undertaken in Europe (39%) and the USA and Canada (28%). The most common study setting was hospital (62%) followed by community/noninstitutional care (30%). Of all the studies, 12% involved the use of oral nutritional supplements, and 13% involved parenteral nutrition. The economic outcomes consistently measured were medical care costs (53% of the studies), hospital length of stay (48%), hospital readmission rates (9%), and mortality (25%). Conclusion: The number of publications focused on the economics of nutrition interventions has increased dramatically in recent years. Studies have demonstrated that malnutrition can increase the costs of care and length of hospital stay while corresponding studies show that nutrition interventions can help lower the cost of health care by decreasing the incidence of complications and speeding recovery. As populations age, policies that lead to wider adoption of screening, assessment, and treatment of malnutrition will be important to improve health economic outcomes. Keywords: economics of nutrition interventions, reducing health care costs through nutrition

To evaluate the effect of school-based nutrition interventions (SBNI) involving schoolchildren and adolescents in sub-Saharan Africa (SSA) on child nutrition status and nutrition-related knowledge, attitudes and behaviour. A systematic review on published school nutrition intervention studies of randomised controlled trials, controlled clinical trials, controlled before-and-after studies or quasi-experimental designs with control. Nine electronic bibliographic databases were searched. To be included, interventions had to involve changes to the school's physical and social environments, to the school's nutrition policies, to teaching curriculum to incorporate nutrition education and/or to partnership with parents/community. Schools in SSA. School-aged children and adolescents, aged 5-19 years. Fourteen studies met our inclusion criteria. While there are few existing studies of SBNI in SSA, the evidence shows that food supplementation/fortification is very effective in reducing micronutrient deficiencies and can improve nutrition status. Secondly, school nutrition education can improve nutrition knowledge, but this may not necessarily translate into healthy nutrition behaviour, indicating that nutrition knowledge may have little impact without a facilitating environment. Results regarding anthropometry were inconclusive; however, there is evidence for the effectiveness of SBNI in improving cognitive abilities. There is enough evidence to warrant further trials of SBNI in SSA. Future research should consider investigating the impact of SBNI on anthropometry and nutrition behaviour, focusing on the role of programme intensity and/or duration. To address the high incidence of micronutrient deficiencies in low- and middle-income countries, food supplementation strategies currently available to schoolchildren should be expanded.

Despite improvements in children's nutritional status and a commitment to early childhood development (ECD) policy developments in Ethiopia, the risk of poor ECD outcomes remains alarming. This study aimed to identify enablers and barriers to the implementation of ECD assessment and provision of nutrition‐focused interventions in community settings. A qualitative case study was employed in Hawassa city and Dore Bafano district of Sidama region from November 2023 to February 2024. Fifteen key informant interviews (KIIs) and five focus group discussions (FGDs) were conducted with purposively selected key informants from the healthcare system and mothers of children under two years old, respectively. Pre‐tested interview and discussion guides were used for data collection and a narrative thematic analysis was applied at different levels of the socio‐ecological model (SEM). The existing ECD policy and strategy landscape, healthcare system, communication and trust built between the health Extension workers (HEWs) and the community, existence of different mothers groups and the HEWs positive attitudes were identified as enablers; however, gaps in ECD practical knowledge and community awareness, low commitment of HEWs and political leaders at multiple levels, as well as absence of training, facilities and standardized indicators of ECD were identified as barriers for the implementation of ECD assessment and provision of nutrition‐interventions in the community settings. ECD assessments and nutrition‐focused interventions can be integrated into the existing health extension program, with HEWs playing key roles. This requires raising awareness of ECD policies across all healthcare levels and providing targeted training for HEWs on ECD assessment and its targeted interventions. Building the capacity of all persons associated with health posts, and incorporating ECD indicators into HEWs' services and their supervision checklists will enhance the effectiveness and sustainability of ECD integration in the community, leading to improved child health and development outcomes. Additional research is required to develop a tailored, user‐friendly and time‐saving ECD assessment tool for use in the community by the HEWs to assess, classify and identify children at risk of developmental delay. Early childhood development (ECD) assessment and targeted nutrition interventions potentially can be integrated effectively in the community setting through the existing healthcare system. ECD policy and strategy landscape, the existing healthcare system, communication and trust built among Health Extension Workers (HEWs) and the community, existence of mothers' groups, and HEWs' positive attitudes towards ECD were enablers, while gaps in ECD practical knowledge, poor HEWs and leaders commitment, low community awareness, limited ECD training, facilities, and absence of standardized ECD indicators were barriers to ECD assessment and provision of targeted nutrition interventions in community settings. Understanding key enablers and barriers can support the design of evidence‐based, multi‐level strategies to mitigate implementation gaps and strengthen the integration, delivery, and sustainability of ECD assessments and provision of targeted nutrition interventions within the existing healthcare system. Capacitating health institutions and frontline health workers with ECD practical skills and facilities would benefit the integration of ECD interventions in community settings.