This technical annex accompanies "Addressing College Student Food Insecurity in Colorado: Trends in Student Participation in the Supplemental Nutrition Assistance Program and College Practices." The main report presents RAND's findings on trends in student participation in the Supplemental Nutrition Assistance Program (SNAP) and college practices related to basic needs support in Colorado. In this annex, Appendix A describes the data and methods for the analyses of state administrative data, with a focus on how likely SNAP eligibility was estimated. Appendix A also provides details on the survey and stakeholder interview data and methods. Appendix B presents additional results from the administrative and survey data analysis.