{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Hu Y"],"funding":["Health and Medical Research Fund"],"pagination":["e103857"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC12258346"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["15(7)"],"pubmed_abstract":["<h4>Background</h4>Colorectal cancer (CRC) is the third most common cancer and the second leading cause of cancer mortality worldwide. Despite the organised CRC screening programme, the uptake rate of the population-based CRC screening was still low. Thus, we will conduct a randomised controlled trial in a community setting to evaluate the effectiveness of a theory-based chatbot in promoting CRC screening uptake.<h4>Methods and analysis</h4>A total of 500 eligible participants will be randomly assigned to a WhatsApp Messenger-initiated chatbot outreach group or a standard text reminder group at a ratio of 1:1. The intervention group will deliver Chinese culturally tailored education texts and videos developed based on the Health Belief Model and the Trans-Theoretical Model. The control gro"],"journal":["BMJ open"],"pubmed_title":["Theory-based chatbot for promoting colorectal cancer screening in a community setting in Hong Kong: study protocol of a randomised controlled trial."],"pmcid":["PMC12258346"],"funding_grant_id":["20210761"],"pubmed_authors":["Tang RSY","Dong D","Hu Y","Wong SYS","Lam TYT","Lau WM","Meng MLH","Wang ZJ","Mo PKH","Sung JJY","Wu X"],"additional_accession":[]},"is_claimable":false,"name":"Theory-based chatbot for promoting colorectal cancer screening in a community setting in Hong Kong: study protocol of a randomised controlled trial.","description":"<h4>Background</h4>Colorectal cancer (CRC) is the third most common cancer and the second leading cause of cancer mortality worldwide. Despite the organised CRC screening programme, the uptake rate of the population-based CRC screening was still low. Thus, we will conduct a randomised controlled trial in a community setting to evaluate the effectiveness of a theory-based chatbot in promoting CRC screening uptake.<h4>Methods and analysis</h4>A total of 500 eligible participants will be randomly assigned to a WhatsApp Messenger-initiated chatbot outreach group or a standard text reminder group at a ratio of 1:1. The intervention group will deliver Chinese culturally tailored education texts and videos developed based on the Health Belief Model and the Trans-Theoretical Model. The control gro","dates":{"release":"2025-01-01T00:00:00Z","publication":"2025 Jul","modification":"2026-06-15T06:11:28.14Z","creation":"2026-06-15T03:08:20.982Z"},"accession":"S-EPMC12258346","cross_references":{"pubmed":["40639841"],"doi":["10.1136/bmjopen-2025-103857"]}}