The research, led by Fridah Siyanga of the Department of Geography at the University of Bergen together with colleagues from the Institute of Marine Research in Bergen, the University of Bergen’s Department of Biological Sciences, and Makerere University in Kampala, applied a formal analytical framework known as Turner’s food environment framework to the question of fish consumption among children aged roughly six to twelve years. The framework distinguishes between the external food environment — the availability, price, vendor characteristics, and marketing of food in the spaces where people acquire it — and the personal food environment, which encompasses accessibility, affordability, convenience, and desirability as experienced by the individual consumer and household. This two-tiered structure allowed the researchers to trace how distant market dynamics translate, or fail to translate, into food actually placed on a child’s plate.

Methodologically, the study employed a convergent parallel mixed-methods design, meaning quantitative and qualitative data were collected simultaneously and then integrated during interpretation. The quantitative backbone was a cross-sectional household survey covering 109 households and 280 primary school-age children across three districts of Northern Uganda. Household questionnaires captured the frequency and types of fish consumed, the settings in which consumption occurred, sourcing patterns, and socioeconomic variables. Complementing the survey, the team conducted sixteen focus group discussions with parents, generating rich qualitative material on how caregivers perceive small fish, how they weigh price against nutritional value, and how cooking practices and preservation methods shape what children are actually offered.

The findings reveal a striking asymmetry between the home and the school as nutritional environments. Children consumed fish primarily at home, and the fish in question were overwhelmingly small species that had undergone what the researchers describe as environmentally friendly processing — typically sun-drying or smoking methods that require little energy input and extend shelf life without refrigeration, a critical consideration in a region where cold chains are largely absent. These small fish, eaten whole, deliver calcium from bones, along with protein, iron, zinc, vitamin B12, and long-chain omega-3 fatty acids, making them one of the most affordable animal-source foods available to poor households. By contrast, school meals in the surveyed districts consisted largely of carbohydrate-rich, plant-based staples such as maize porridge and beans, with fish and other animal-source foods conspicuously absent from the menu.

When the researchers subjected their data to analysis within the food environment framework, a clear hierarchy of drivers emerged. Both external factors, such as the presence of fish in local markets and the distance to trading centers, and personal factors, such as household preferences and cooking convenience, exerted measurable influence on whether children ate fish. But one factor dominated all others: affordability. Price acted as a gatekeeper mediating the effects of availability, market access, convenience, and desirability. In practical terms, this means that even when small fish were physically present in nearby markets, and even when parents recognized their nutritional value and reported liking them, high relative prices suppressed purchase and consumption. Conversely, when small fish were cheap — as is often the case during peak landing seasons on Lakes Kyoga and Albert, whose fisheries supply the inland trade networks of Northern Uganda — consumption rose even without changes in taste, marketing, or nutrition education.

This mediating role of affordability has significant theoretical importance for food environment research. Much of the existing literature treats the components of the personal food environment as parallel, additive influences on dietary behavior. The Northern Uganda data suggest instead a sequential, hierarchical model in which economic access functions as a precondition that determines whether other dimensions of the food environment can exert influence at all. For policymakers and researchers working on nutrition-sensitive value chains, this reframing matters: interventions that improve the supply of nutritious foods, or that educate consumers about their benefits, may achieve little if the price barrier remains untouched. The study demonstrates, in the authors’ words, that applying the food environment framework provides a comprehensive understanding of how interacting factors shape children’s fish consumption — an understanding that single-factor analyses of dietary determinants routinely miss.

The technical characteristics of small fish as a food commodity help explain why they feature so prominently in this analysis. Species such as mukene (Rastrineobola argentea) from the Ugandan lakes are landed in enormous quantities, sun-dried on racks or smoking kilns within hours of capture, and then traded over long distances without spoilage. Their small size eliminates the need for portioning, their bones soften during drying and become edible, and their strong umami flavor allows small quantities to season larger staple dishes — an efficient delivery mechanism for micronutrients in households where meat is a rare luxury. From a sustainability standpoint, the low-input processing described in the study contrasts favorably with energy-intensive freezing or canning, and many small pelagic fisheries in the African Great Lakes region are among the more resilient in the face of environmental change.

Against this backdrop, the exclusion of small fish from school meals emerges as what the researchers call a missed opportunity. School feeding programs are among the most widespread social protection instruments in sub-Saharan Africa, reaching millions of children with meals that frequently determine their intake of protein and micronutrients on school days. Yet the Northern Uganda programs surveyed here delivered meals dominated by energy-dense but micronutrient-poor staples. The authors argue that incorporating small dried fish into school menus — whether as a relish, a powder blended into sauces, or a fortified ingredient — could substantially improve dietary quality at modest cost, given the commodity’s affordability relative to other animal-source foods and its established local supply chains. Such reform would align school feeding with the growing policy consensus around nutrition-sensitive food systems, which seek to make agricultural and food procurement decisions serve nutritional objectives rather than caloric sufficiency alone.

The implications extend well beyond Uganda. The study’s framing of affordability as the dominant mediating variable speaks directly to debates over school meal design in low- and middle-income countries generally, where budgets per child per meal are often measured in cents. Small fish are not unique to East Africa; analogous nutrient-rich, low-trophic-level species are consumed across South Asia, Southeast Asia, and West Africa, and a growing body of nutrition science emphasizes their potential to close micronutrient gaps where conventional animal-source foods are unaffordable. By demonstrating empirically how price mediates the pathway from market availability to child consumption, the Northern Uganda study provides a template for diagnosing — and potentially overcoming — the barriers in other settings.

Funded by the University of Bergen and the L. Meltzer University Foundation, the study also carries methodological lessons for the field of food environment research. The convergent parallel design, combining the statistical breadth of a 280-child household survey with the interpretive depth of sixteen focus group discussions, allowed the researchers to validate the quantitative finding of affordability’s dominance against parents’ own accounts of decision-making. Parents described in qualitative interviews the trade-offs they navigate — choosing between a cup of dried fish that could season meals for a week and other pressing household needs — narratives that give statistical associations their human texture. The research received ethical approval from Makerere University’s Social Sciences Research and Ethics Committee and additional clearance from the Uganda National Council for Science and Technology, with informed consent obtained from all participants.

As global nutrition policy increasingly turns its attention to school-age children — a group often overlooked relative to the first thousand days of life, despite mounting evidence of micronutrient deficiencies affecting growth, cognition, and school performance during the primary years — studies like this one illuminate a practical, locally grounded pathway forward. The humble dried fish sold in Northern Ugandan markets, processed with little environmental burden and already embedded in local culinary culture, sits waiting on the shelf of possibility. What stands between it and the region’s schoolchildren, the research makes clear, is principally a question of price and program design — a challenge far more tractable than the biological or cultural barriers often invoked when school meals fail to nourish.

At the heart of the discourse surrounding food security is the multifaceted nature of what it means to have reliable access to sufficient food. Food security extends beyond mere availability and taps into the complex interplay of economic, social, cultural, and environmental factors. This study has embarked on an ambitious quest to systematically dismantle these layers by pinpointing the determinants of caloric intake among households in this specific region of Ethiopia, a country that has grappled with food insecurity for decades. Through a meticulous examination of these variables, the authors aim to provide a blueprint for targeted interventions that can significantly improve dietary diversity and nutritional outcomes.

In East Bale Zone, myriad factors contribute to food security, ranging from agricultural practices and climate variability to socio-economic conditions and cultural practices. For instance, the role of smallholder farmers is critical in this context; their agricultural outputs often dictate the food availability within their households. Jambo and Derso’s research delves deep into the agricultural productivity levels, analyzing crop choices and farming methods that can bolster food security. They underscore the importance of sustainable practices that enhance productivity without compromising environmental integrity, thus paving the way for resilient food systems.

A striking finding from the study reveals a direct correlation between household income and daily calorie intake. Households with more substantial financial resources are better positioned to access diverse and nutrient-rich food options, while those with limited income face significant constraints. This reinforces the narrative that economic empowerment is key to food security. By examining income distribution and employment patterns within the East Bale Zone, the authors illuminate pathways toward economic upliftment as a precursor to improved nutritional health. Nevertheless, the challenge remains daunting, as it requires comprehensive policies that bridge economic divides and provide equitable opportunities for all.

Education also plays a pivotal role in influencing food choices and nutritional knowledge. Households led by individuals with higher education levels often exhibit healthier dietary practices compared to those with less education. Jambo and Derso’s analysis highlights the urgent need for educational initiatives aimed at enhancing nutritional literacy and fostering an understanding of balanced diets. The authors advocate for community-based programs that engage households through workshops and resources that enlighten them on food preparation techniques, nutritional values, and the benefits of diverse diets that cater to their caloric needs.

Moreover, cultural factors cannot be overlooked when considering food security dynamics. Dietary restrictions, food preferences, and cultural practices significantly shape the eating habits of households in the East Bale Zone. Understanding these cultural dimensions is essential for creating effective interventions targeting food security. The study urges a culturally sensitive approach to food security programs, one that respects and incorporates local customs and practices while promoting better nutrition. This duality ensures that interventions are not only accepted but truly beneficial in their pursuit of food security.

In light of climate change, the research explicitly mentions the vulnerabilities of agricultural systems in the East Bale Zone. Erratic weather patterns, droughts, and floods have an immediate and profound effect on crop yields and, subsequently, caloric intake among households. Mitigating these effects requires adoption of climate-smart agricultural practices that prioritize sustainability and resilience. The authors call for concerted efforts to introduce adaptive agricultural programs that enhance farmers’ capacity to cope with climate variability. By doing so, farmers can maintain productivity levels, ensuring that their households remain food secure even in the face of ever-changing environmental conditions.

The role of government policy and infrastructure cannot be overstated in the pursuit of food security. Jambo and Derso emphasize that effective policies at the local and national levels can create a supportive ecosystem for food security. Investments in infrastructure, such as roads and storage facilities, enable better market access for farmers and reduce post-harvest losses. The authors advocate for a policy framework that prioritizes food system resilience as an integral component of national development strategies. Policymakers must recognize the critical intersections between agriculture, economy, education, and environmental sustainability to cultivate a holistic approach to food security.

Additionally, the interplay between gender and food security is explored in the research findings. Gender roles often dictate food distribution within households, influencing both calorie intake and nutritional outcomes across gender lines. The study delves into the significance of empowering women, who primarily serve as food providers and caretakers, in decision-making processes related to food production and consumption. Empowerment initiatives aimed at women can lead to improved dietary practices, and, consequently, enhanced food security for the entire household. Jambo and Derso present a compelling case for gender-responsive strategies that strengthen women’s voices in agricultural and nutritional policies.

The implications of the findings extend beyond the immediate region to inform global discourses on food security. As Ethiopia continues to make strides in addressing food insecurity, the lessons drawn from this study resonate widely, emphasizing that localized solutions must inform broader strategies. Sustainable development requires that we heed the voices and challenges of households at the grassroots level. The nuances discovered in East Bale Zone serve as a microcosm for broader global trends, reminding us of the diverse factors at play in the quest for global food security.

Undoubtedly, the dynamics of household food security in East Bale Zone elucidate the urgent need for multifaceted, integrated approaches that tackle the complex drivers of food insecurity. This research stands as a testament to the significant strides that can be made when we employ rigorous analytical frameworks to confront pressing global challenges. As the study concludes, it calls for an urgent commitment to actionable policies that foster economic opportunities, education, gender equity, and resilience against climate change. The path to achieving food security and sustainable development is fraught with challenges, yet the resolute commitment to understanding and addressing these issues can lead to meaningful improvements in the lives of countless households.

As nations grapple with the issue of food insecurity in the wake of climate change exacerbating global agricultural challenges, the insights furnished by Jambo and Derso’s research contribute to a vital discourse that seeks to transform food systems. Ensuring that every household has access to sufficient, safe, and nutritious food is not merely an aspiration—it’s a fundamental human right. The pursuit of food security is not only a duty to current generations but a stewardship obligation to future ones, and it is a journey that requires collective action and unwavering determination.

Subject of Research: Household food security situation and determinants using daily calorie intake in East Bale Zone, Ethiopia.

Article Title: Household food security situation and determinants using daily calorie intake in east Bale zone, Ethiopia.

Article References:

Jambo, Y., Derso, D. Household food security situation and determinants using daily calorie intake in east Bale zone, Ethiopia.
Discov Sustain 6, 873 (2025). https://doi.org/10.1007/s43621-025-01668-x

Image Credits: AI Generated

DOI: 10.1007/s43621-025-01668-x

Keywords: food security, daily calorie intake, East Bale Zone, Ethiopia, agriculture, nutrition, socio-economic factors, climate change, cultural practices, gender roles, sustainable development, resilience, policy framework.