An IMB model of Diabetes Self-Care (IMB-DSC) was articulated within a Puerto
Rican population as the core content defining the main areas for barriers and facilitators
of diabetes self-care behaviors. An intervention protocol was developed to address the
core barriers and promote facilitators of diabetes self-care through an intervention that
relied on motivational interviewing strategies to deliver diabetes-related information,
motivation, and behavioral skills content (J. D. Fisher et al., 2004; Rollnick, Heather,
& Bell, 1992). A randomized controlled trial evaluated the intervention’s effect on
diabetes self-care behaviors and glycemic control. Specifically, it was predicted that the
intervention group would experience better outcomes than the control group on measures
of diet behavior (food label reading and diet adherence, specifically; Hypothesis 1),
physical activity (Hypothesis 2), and glycemic control (Hypothesis 3).