717-P: National DPP—Best Practices for Program Implementation and Participant Retention in a Primarily Hispanic Population

To date, 585,000+ at-risk US adults have taken part in the National Diabetes Prevention Program (National DPP). While the National DPP is effective, challenges exist for building successful programs that support participant retention, particularly for high-risk populations such as Hispanic/Latino (H/L). The aim of this evaluation was to identify factors that influence successful Lifestyle Change Program (LCP) implementation to facilitate participant retention.

Utilizing an implementation research model, researchers analyzed surveys, focus groups and program delivery data from 8 LCPs (4 in predominately Hispanic communities) serving 5226 participants (74% Hispanic). Retention analysis focused on program completion (attended 8+ classes over a 9-month period).

Non-H/L v. H/L (p<.001; 40.5% v 32.4%), and Whites v. Non-Whites (p<.001; 31.6% v 22.3%) were more likely to complete an LCP. Additionally, participants attending through in- person/online or in-person/distance learning were more likely to complete (p<.001; 70.4% and 69.4%, respectively). Themes emerged regarding successful program implementation: 1) address sustainability initially and allow time for the LCP to develop; 2) organizational leadership support and appropriate staffing plans are critical; 3) be prepared to adapt to challenges that may arise and the needs of participants (i.e., adapting schedules, delivery modes, personalization). LCPs attributed retention success to providing optional virtual sessions, flexible scheduling, innovative retention strategies, and frequent communication. Participants attributed retention success to coaches creating a nurturing environment; finding common ground; group sharing; staff follow up; accountability; and experiencing improved health.

This project provided a unique opportunity to identify important and practical considerations for National DPP LCPs across the US in developing programs to support participant retention.