BackgroundCommunity-based participatory research (CBPR) has been recognized as an important approach to develop and execute health interventions among marginalized populations, and a key strategy to translate research into practice to help reduce health disparities. Despite growing interest in the CBPR approach, CBPR initiatives rarely use experimental or other rigorous research designs to evaluate health outcomes. This behavioral study describes the conceptual frameworks, methods, and early findings related to the reach, adoption, implementation, and effectiveness on primary blood pressure outcomes.MethodsThe CBPR, social support, and motivational interviewing frameworks are applied to test treatment effects of a two-phased CBPR walking intervention, including a 6-month active intervention quasi experimental phase and 12-month maintenance randomized controlled trial phase to test dose effects of motivational interviewing. A community advisory board helped develop and execute the culturally-appropriate intervention components which included social support walking groups led by peer coaches, pedometer diary self-monitoring, monthly diet and physical activity education sessions, and individualized motivational interviewing sessions. Although the study is on-going, three month data is available and reported. Analyses include descriptive statistics and paired t tests.ResultsOf 269 enrolled participants, most were African American (94%) females (85%) with a mean age of 43.8 (SD = 12.1) years. Across the 3 months, 90% of all possible pedometer diaries were submitted. Attendance at the monthly education sessions was approximately 33%. At the 3-month follow-up 227 (84%) participants were retained. From baseline to 3-months, systolic BP [126.0 (SD = 19.1) to 120.3 (SD = 17.9) mmHg; p < 0.001] and diastolic BP [83. 2 (SD = 12.3) to 80.2 (SD = 11.6) mmHg; p < 0.001] were significantly reduced.ConclusionsThis CBPR study highlights implementation factors and signifies the community's active participation in the development and execution of this study. Reach and representativeness of enrolled participants are discussed. Adherence to pedometer diary self-monitoring was better than education session participation. Significant decreases in the primary blood pressure outcomes demonstrate early effectiveness. Importantly, future analyses will evaluate long-term effectiveness of this CBPR behavioral intervention on health outcomes, and help inform the translational capabilities of CBPR efforts.
The process of developing and implementing this CBPR walking intervention was considered successful as evidenced by the community's active contribution and participation in each phase of this research, the undertaking and application of basic research components, significant improvements in several anthropometric and biological values, and sustainability of the collaborative partnership.
H.U.B. City Steps is a five year community-based participatory research walking intervention designed to help lower blood pressure in a majority African-American population in southern Mississippi via community collaboration and capacity building, increased walking, culturally tailored health education sessions, and motivational interviewing. Building community capacity for physical activity is a key component of this intervention. Qualitative and quantitative methods have been used assess how project stakeholders perceive the community capacity building efforts of the project. This paper illustrates the baseline results of this mixed methods approach from the perspective of three groups of stakeholders: Project researchers and staff (RS); Community Advisory Board (CAB) and intervention walking coaches (WC). Eight constructs were examined including leadership, resources, external networking, visibility and recognition, personnel sustainability, ability and commitment to organize, communication with community members, and relationships with influential others. Quantitative results indicated significant differences among stakeholder groups for project leadership and personnel sustainability. Qualitative perspectives provided an opportunity to examine possible reasons for these differences. Overall findings provide direction related to improving intervention outcomes and sustainability.
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