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Journal data-sharing policies and its impact in publications: A cross-sectional study protocol
Pinge Zhao1, Xin Zhang1, Liandi Dai1
1The Affiliated Brain Hospital, Guangzhou Medical University, Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, Guangzhou Medical University, Guangzhou, People's Republic of China.
Plos One
|September 2, 2025
Summary
Responsible clinical research data sharing improves transparency and reproducibility. This study examines how journal policies influence data availability, finding it remains suboptimal despite initiatives like the ICMJE Data Sharing Statement.
Area of Science:
- Clinical Research
- Biomedical Informatics
- Scholarly Publishing
Background:
- Responsible data sharing enhances clinical research transparency and reproducibility.
- Over 5,000 journals adopted the ICMJE Data Sharing Statement (DSS) since 2024.
- Suboptimal data availability persists due to sharing effort and limited academic incentives.
Purpose of the Study:
- To investigate the impact of biomedical journal policies on clinical research data availability.
- To explore how supporting information influences the implementation of data sharing in publications.
Main Methods:
- Cross-sectional study of 303 biomedical journals stratified by 2023 Journal Impact Factor (JIF).
- Independent data extraction of journal policies and publication data-sharing details (Apr-Dec 2025).
- Binomial logistic regression to identify journal factors affecting data-sharing levels.
Main Results:
- Data sharing levels assessed based on the openness of the data-sharing mechanism.
- Analysis aims to determine factors influencing publication data-sharing implementation.
- Protocol registered on Open Science Framework (OSF) Registries.
Conclusions:
- Journal policies and available information are critical for promoting data sharing.
- Addressing barriers to data sharing is essential for maximizing research value.
- Further research can inform strategies to improve data availability in clinical publications.
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