The Four Domain Food Insecurity Scale (4D-FIS): development and evaluation of a complementary food insecurity measure.

"Conflict of Interest: No conflicts of interest declared."

"Dr. Johnson acknowledges her colleagues at Texas State University, Drs. Lesli Biediger-Friedman and Sylvia Crixell and Ms. Hannah Thornton, for their support with the writing process. We appreciate Dr. Cathy Zimmer with The Odum Institute for Research in Social Science, who provided technical assistance with the confirmatory factor analysis. We thank the research assistants who conducted interviews and surveys, and the participants and our community partners for their work on this project. This work was supported by National Institute of Food and Agriculture [grant no. 2011-68001-30103] from the U.S. Department of Agriculture National Institute of Food and Agriculture and by a Dissertation Completion Fellowship from the University of North Carolina at Chapel Hill."