Cornelia Guell
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Effectiveness and equity impacts of traffic restriction schemes outside schools: a controlled natural experimental study Open
Background Active travel (such as walking, cycling and scooting) has a range of benefits for human and planetary health, whereas driving children to school contributes substantially to motor vehicle traffic at peak times. Local governments…
Examining Food Sources and Their Interconnections over Time in Small Island Developing States: A Systematic Scoping Review. Open
In 2014, SIDS governments collectively committed to ending malnutrition by 2030. A deeper understanding of food sourcing is essential to achieve this goal.
Interventions designed to promote the consumption of locally produced foods: a scoping review Open
Introduction Food system transformation is required for planetary health. Localizing food systems and applying agroecological principles to food production and supply have been suggested to support a resilient and sustainable food system. …
View article: Manoeuvring rural mobility policy for active and sustainable travel
Manoeuvring rural mobility policy for active and sustainable travel Open
Promoting "slow mobilities" and low carbon transport alternatives, through supporting active and sustainable travel (AST, including walking, cycling, wheeling, and public transport), is a priority for both public health and net zero strate…
View article: London’s Ultra Low Emission Zone and active travel to school: a qualitative study exploring the experiences of children, families and teachers
London’s Ultra Low Emission Zone and active travel to school: a qualitative study exploring the experiences of children, families and teachers Open
Objective Taking a qualitative approach, we aimed to understand how London’s Ultra Low Emission Zone (ULEZ) might work to change behaviour and improve health in the context of the school journey. Design Primary qualitative study embedded w…
Differences in income, farm size and nutritional status between female and male farmers in a region of Haiti Open
Introduction Haiti is the poorest country in the Americas and has the highest levels of gender inequality. It has high burdens of malnutrition and food insecurity. Our aim in this study was to investigate differences between female and mal…
The double burden of COVID-19 and a major volcanic eruption on local food production and food security in a Small Island Developing State Open
Introduction Small Island Developing States have disproportionately high food insecurity rates, related to complex challenges and vulnerabilities. The COVID-19 pandemic highlighted that within these settings, crises often overlap. We aimed…
Using causal loop diagrams to develop evaluative research propositions: opportunities and challenges in applications to nature‐based solutions Open
Causal loop diagrams (CLDs) are often used to provide an overview of important systemic elements related to an issue, rather than to inform empirical evaluations (studies which assess changes following an intervention using observed data).…
View article: Changing mobility practices. Can meta-ethnography inform transferable and policy-relevant theory?
Changing mobility practices. Can meta-ethnography inform transferable and policy-relevant theory? Open
Social practice theories have attracted attention for their potential insights into how to change transport systems towards "healthier" states. However, most evidence is from small-scale qualitative case studies. We explored whether a synt…
Understanding the links between human health, ecosystem health, and food systems in Small Island Developing States using stakeholder-informed causal loop diagrams Open
Globalized food systems are a major driver of climate change, biodiversity loss, environmental degradation, and the increasing prevalence of overweight and obesity in society. Small Island Developing States (SIDS) are particularly sensitiv…
Situating commercial determinants of health in their historical context: a qualitative study of sugar-sweetened beverages in Jamaica Open
Background Non-communicable diseases (NCDs) are the leading cause of mortality across the Caribbean and similar regions. Structural determinants include a marked increase in the dependency on food imports, and the proliferation of processe…
Trends in food supply, diet, and the risk of non-communicable diseases in three Small Island Developing States: implications for policy and research Open
Introduction Small island developing states (SIDS) are a diverse group of coastal and tropical island countries primarily located in the Caribbean and Pacific. SIDS share unique social, economic, and environmental vulnerabilities, high dep…
The shifting baseline syndrome as a connective concept for more informed and just responses to global environmental change Open
The concept of the ‘shifting baseline syndrome’ has assisted researchers in understanding how expectations for the health of the environment deteriorate, despite known, often widespread, and significant impacts from human activities. The c…
Street trees and mental health: developing systems thinking-informed hypotheses using causal loop diagraming Open
We considered the relationship between street trees and mental health with the aim of developing systems thinking-informed hypotheses to improve the implementation and evaluation of this popular nature-based solution (NBS). We integrated q…
Interventions in Small Island Developing States to improve diet, with a focus on the consumption of local, nutritious foods: a systematic review Open
Introduction Food security in Small Island Developing States (SIDS) is an international policy priority. SIDS have high rates of nutrition-related non-communicable diseases, including obesity and type 2 diabetes, micronutrient deficiencies…
View article: GroundsWell: Community-engaged and data-informed systems transformation of Urban Green and Blue Space for population health – a new initiative
GroundsWell: Community-engaged and data-informed systems transformation of Urban Green and Blue Space for population health – a new initiative Open
Natural environments, such as parks, woodlands and lakes, have positive impacts on health and wellbeing. Urban Green and Blue Spaces (UGBS), and the activities that take place in them, can significantly influence the health outcomes of all…
The Impact of Nutrition-Based Interventions on Nutritional Status and Metabolic Health in Small Island Developing States: A Systematic Review and Narrative Synthesis Open
Small island developing states (SIDS) have a high burden of nutrition-related disease associated with nutrient-poor, energy-dense diets. In response to these issues, we assessed the effectiveness of nutrition-based interventions on nutriti…
Keeping on target during a low-calorie diet: The experiences of participants in a type 2 diabetes reversal pilot Open
Rapid weight loss using a very low-calorie diet (VLCD) for 2 to 3 months followed by weight maintenance has been shown to lead to the restoration of normal glucose and insulin metabolism in people recently diagnosed with type 2 diabetes. W…
OP77 The impact of interventions that adopt a local approach on diet in small island developing states: a systematic review Open
Background Small Island Developing States (SIDS) are commonly burdened by high rates of nutrition related non-communicable diseases, micronutrient deficiencies, and, in many, persistent childhood stunting. Most of these issues are related …
Exploring ways to respond to rising obesity and diabetes in the Caribbean using a system dynamics model Open
Diabetes and obesity present a high and increasing burden of disease in the Caribbean that have failed to respond to prevention policies and interventions. These conditions are the result of a complex system of drivers and determinants tha…
Systems science for developing policy to improve physical activity, the Caribbean Open
The World Health Organization (WHO) Global Action Plan on Physical Activity recommends adopting a systems approach to implementing and tailoring actions according to local contexts. We held group model-building workshops with key stakehold…
The role of social support in achieving weight loss in adults in the Caribbean aiming to achieve remission of type 2 diabetes: A cross-case analysis Open
Background Remission of type 2 diabetes through weight loss is possible in a high proportion of persons with a recent diagnosis, but a major challenge is achieving sufficient weight loss. Objectives In the first study of this type in the C…
P38 Making sense of the evidence in population health intervention research: building a dry stone wall Open
Background To tackle population health challenges, we must address the fundamental determinants of behaviour and health. Systematic reviews frequently conclude that the available evidence about the effects of population health intervention…