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01.12.2018 | Research article | Ausgabe 1/2018 Open Access

BMC Health Services Research 1/2018

Understanding the impact of external context on community-based implementation of an evidence-based HIV risk reduction intervention

Zeitschrift:
BMC Health Services Research > Ausgabe 1/2018
Autoren:
Alison B. Hamilton, Brian S. Mittman, Danielle Campbell, Craig Hutchinson, Honghu Liu, Nicholas J. Moss, Gail E. Wyatt

Abstract

Background

Organizational context plays a critical role in the implementation of evidence-based interventions. Implementation research to date has focused largely on internal, rather than external, context. This paper presents key features of external context and their impact on implementation of Eban II, an evidence-based HIV/AIDS prevention intervention currently being tested in community-based organizations (CBOs). We examine external context factors that have influenced implementation, highlighting the ways in which client needs, agency resources, and changing policies permeate the theorized boundary between internal and external context, affecting both organizational capacity for implementation research and implementation processes themselves.

Methods

Staff (n = 91) across participating CBOs completed a baseline survey of organizational functioning; a subset of key stakeholders (n = 15) completed semi-structured interviews. Client participants (n = 84) completed a baseline survey. Process notes and organizational documents were also analyzed.

Results

Organizational readiness for implementation was high across the organizations. However, despite apparent readiness, external contextual barriers to implementation were substantial. Three categories of barriers were identified: (1) client needs as a manifestation of social determinants of poverty, (2) community agency resources, and (3) local and national policy changes. Clients’ psychosocial vulnerability affected their everyday lives and priorities, which thereby affected the regularity and intensity of their interface with CBOs, and hence their participation in our intervention. CBOs typically lacked staffing and space. Furthermore, changing federal and state policy priorities destabilized the CBOs, which had a ripple effect on our study. Drawing on community-engaged research principles, we made numerous adjustments to the intervention format and structure according to the preferences and contexts of the CBOs. Had we not adjusted to external contextual factors, the organizations would not have been able to maintain their involvement and provide the intervention to their clients, despite expressed, genuine commitment to shared goals.

Conclusions

Community-based implementation studies need to address complex organizational and client needs, using community-engaged research principles. If these studies are community-based among vulnerable populations, they need to more thoroughly evaluate, monitor, and address the ways in which external contextual factors impinge upon implementation processes and outcomes, with a parallel need for more comprehensive measures of fiscal, political, and social determinants of implementation success.

Trial registration number

NCT01829282 (Registered April 11, 2013).
Literatur
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