| Key Topics | Topic(s) of Study | Processes/Influences |
| Policy and legislation | Changes in WIC policy, state childhood obesity policies, national nutrition agenda setting, policy formulation and implementation | Predictors of enactment, instruments prescribed to influence school food environment, strategies used to move nutrition agenda forward, enabling/inhibiting factors, levels of commitment, policy diffusion from state- to district-level |
| Schools | Elementary/high schools, school beverage shipments, school bus advertising, school-based obesity policy, wellness policy requirements, state department of education policy and structural changes to improve nutrition | Beverage industry self-regulation, sugar-sweetened beverage availability, acceptability of specific intervention strategies, changes in wellness policies before and after federal mandates, changes in food options, food service finances, implementation and awareness of guidelines |
| Programs | Outcomes and cost of community-based management of acute malnutrition, procedural programs to create healthy environments for vulnerable populations, promotional tool for healthy body image | Implementation processes, lessons learned, cost-effectiveness, extent of cooperation, population reach, perceived potential of tool |
| Other | Food advertising, language of midwives, GDP/Gini Index/GII, climate change, international human rights obligations regarding rights to food and health | National approaches to addressing food insecurity, impacts on gender inequality, global distribution of obesity, impacts on household decision making |
Abbreviations: GDP, Gross Domestic Product; GII, Global Innovation Index; WIC, Special Supplemental Nutrition Program for Women, Infants, and Children.