Effectiveness of Health Communication Intervention to Improve Knowledge on Timeliness to Return for Annual Lung Cancer Screening: The Larch Trial.

ABSTRACT:

Background

Many patients are unaware of the need to repeat lung cancer screening (LCS) annually despite shared decision-making. A health communication intervention was tested to improve patient knowledge, tobacco-related stigma, and self-efficacy in LCS.

Research question

Does additional health communication improve patient knowledge of LCS timeliness?

Study design and methods

Trial participants aged 50 to 78 years with a normal LCS scan were randomized to the intervention or control arm. The intervention was delivered 3 weeks following an LCS scan. Intervention participants received health communication (print plus video) with 3 key messages to normalize routine LCS; a reminder of when due for screening; and encouraging social connection. Interventions were primarily

SUBMITTER: Wernli KJ 

PROVIDER: S-EPMC12668211 | biostudies-literature | 2026 Feb

REPOSITORIES: biostudies-literature