ArticleBMC public health2026
Development and validation of a behaviour change intervention package to improve health literacy on behavioural risk factors of non-communicable diseases among health care assistants of government hospitals in Sri Lanka - exploratory research.
Article in BMC public health, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundNon-communicable diseases (NCDs) are the leading cause of premature deaths globally, largely driven by modifiable behavioural risk factors such as unhealthy diet, physical inactivity, tobacco use, and alcohol consumption. Health literacy (HL) plays a vital role in modifying these behaviours. Evidence shows that Healthcare Assistants (HCAs) in Sri Lanka despite working in hospitals often demonstrate limited HL and high rates of risk behaviours. Enhancing HL among HCAs is therefore essential both for their own health and for enabling them to serve as credible health advocates in NCD prevention.
objectiveThis study aimed to develop and validate a Behaviour Change Intervention Package (BCIP) to improve HL related to NCD behavioural risk factors among HCAs in government hospitals in Sri Lanka.
methodsA Behaviour Change Intervention Package (BCIP) was developed using the Intervention Mapping (IM) approach, informed by the Calgary Charter HL framework. Steps included assessment of the logic model of the problem, setting objectives, intervention design, expert content validation, pilot testing, and planning for implementation and evaluation. The BCIP comprised a curriculum, facilitator guide, participant handbook, and PowerPoint presentations, for 16 two-hour sessions across eight weeks. Sessions employed lectures, role-play, group discussions, brainstorming, and m-health tools. Content validity was assessed by a 10-member expert panel, while pilot testing in selected hospitals evaluated feasibility and acceptability.
resultsFindings revealed that HL among HCAs was limited by factors at individual, family, organizational, community, and policy levels. The BCIP addressed these determinants by focusing on HL's four domains- finding, understanding, comparing, and applying health information. Expert review confirmed high relevance and appropriateness (mean scores > 3.0), while pilot testing showed feasibility and participant satisfaction with content, delivery methods, and session duration.
conclusionThe validated BCIP provides a structured, theory-driven approach to improving HL and reducing NCD risk behaviours among HCAs. Pilot findings support its feasibility for integration into routine induction or in-service training. Future studies will evaluate its effectiveness, with potential adaptation for broader workplace health promotion in Sri Lanka.
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