BOX D-1
Research Taxonomy

Content Area

A.   Access to food

a)   Physical access/transportation

b)   Financial access

c)   Total resources available and resources available for food

B.   Cost of food

a)   Regional differences

b)   Urban/suburban/rural differences

c)   Nutrient density (less vs. more healthy foods)

C.   Food choice/cultural preferences

a)   Effect of individual and group characteristics (e.g., age, race/ethnicity, chronic illness, individual/group preferences)

b)   Food choices related to the Dietary Guidelines for Americans (DGA) and nutrient density

c)   At home/away from home

D.   Food policy

a)   SNAP program design (program characteristics)

•   % income spent on food, nutrition education within SNAP, allowed retail outlets, restrictions and incentives

b)   Other food policies as they impact SNAP

•   DGA, other food assistance programs (Special Supplemental Nutrition Program for Women, Infants and Children [WIC]; National School Lunch Program [NSLP]/School Breakfast Program [SBP]); cash-out states, access to farmers’ markets and farm stands

E.   Program access/participation

F.   Health and nutrition effects of SNAP participation or nonparticipation

a)   Health (effect on chronic and acute illness, e.g., diabetes, immunity)

b)   Nutrition and dietary intake

•   Nutrition and dietary intake

•   Nutrition and dietary intake

c)   Obesity

G.   Economic/food insecurity effects of SNAP participation or nonparticipation

a)   Measures of economic/food insecurity

b)   Incidence and prevalence of economic/food insecurity

Design of Research

A.   Descriptive/observational study

a)   Quantitative reports (including secondary data analysis)

b)   Qualitative reports

B.   Intervention impact study

a)   Quasi-experimental design (including secondary data analysis)

b)   Experimental design

C.   Literature review or policy brief

a)   Systematic reviews

b)   Meta-analyses

Source of Paper/Publication

A.   Journal article

B.   Government report

C.   Other (e.g., nonpublished or working paper, report for advocacy group or foundation)



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