Appendix BB Research Question Crosswalk

APPENDIX BB

Research question crosswalk

Table BB.1: Research Question Crosswalk of Age5 Extension and Age 3 Extension

Age 5 Extension Research Questions	Explored in Age 3 Extension
Background and Environmental Characteristics
1. How do feeding practices vary with working and family care/childcare/preschool circumstances?	Yes
2. What are the main barriers to eating healthy?	Yes
3. What is the influence of parenting and broader environmental factors on early dietary behaviors that may affect child obesity?	Yes
4. What is the impact of participation in other Federal food benefit programs on feeding practices and health outcomes?	Yes
Nutrition and Health Outcomes
5. What is the food and nutrient intake of 4–5 year olds, both overall and by subgroups of interest?	Yes
6. What are the meal and snack patterns, both overall and by subgroups of interest?	Yes
7. How do feeding practices impact children’s weight and growth?	Yes
8. When do “unhealthy” eating habits typically begin and are there early warning signs that a change is occurring?	Yes
9. Do early feeding practices, meal/snack patterns, or food and nutrient intakes relate to feeding practices, meal/snack patterns, food and nutrient intakes, and health status at ages 4–5 years?	No – New, longitudinal
10. Do early feeding practices, meal/snack patterns, or food and nutrient intakes relate to weight trajectories or child overweight/obesity at ages 4–5 years?	No – New, longitudinal
Impact of WIC
11. Does continued participation in WIC lead to better eating behaviors and health outcomes?	Yes
12. Does the nutrient intake of 4–5 year olds reflect nutrients provided in the WIC food package?a	No – New, cross-sectional
13. What is the impact of WIC experience on outcomes beyond nutrition and health such as developmental outcomes?	No – New, longitudinal
14. Does continued participation in WIC have a positive corollary effect on access to healthcare and continuity of care?	Yes
15. What factors lead to continued/discontinued/renewed participation in WIC through age 5?	No – New, longitudinal

^aBased on comparisons to external data expected to be available from IOM research.

NOTE: No research questions are explored for the Age 3 Extension and no longer explored for the Age 5 Extension