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Updated: Oct 5, 2025

Project-Based Learning Guidelines for Health Sciences Students: An Analysis with Data Mining and Qualitative Techniques
Published on: December 9, 2022
Use of Population Health Data and Qualitative Analysis to Guide Local Planning and Implementation of Supplemental
Julia I Caldwell1, Alina Palimaru2, Deborah A Cohen3
1Nutrition and Physical Activity Program, Division of Chronic Disease and Injury Prevention, 5147Los Angeles County Department of Public Health, Los Angeles, CA, USA.
Purpose:
The purpose is to describe how local quantitative and qualitative data were used to assess the progress of the Supplemental Nutrition Assistance Program Education (SNAP-Ed) interventions in Los Angeles County, California.
Approach:
Data from the California Health Interview Survey informed the geographical concentration of program resources during the planning phase. At the end of the program, semi-structured interviews with stakeholders were conducted to assess factors that facilitated SNAP-Ed implementation.
Setting:
Los Angeles County, California.
Participants:
Twenty-four project coordinators were interviewed.
Intervention:
From 2016 to 2020, 24 organizations across Los Angeles County delivered nutrition education, reaching an estimated 2 million people. Two-hundred policy, systems, and environmental change interventions reached an estimated 1.2 million people.
Method:
Semi-structured interview data were analyzed using a form of both inductive and deductive content analysis. A codebook was developed based on themes identified in these interviews. Each interview was coded by 2 team members; discrepancies (if they arose) were resolved by a 5-member group.
Results:
Two facilitators-support for capacity building from a local health department and presence of community partnerships-were identified as critical factors that contributed to the success of SNAP-Ed implementation.
Conclusion:
A local health department can increase SNAP-Ed intervention reach and uptake by assisting funded partners with further capacity building, helping them to develop feasible work plans, foster evaluation skills, and engage in sustainability planning.
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