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Missing data: current practice in football research and recommendations for improvement
David N Borg1,2, Robert Nguyen3, Nicholas J Tierney4,5
1Menzies Health Institute Queensland, The Hopkins Centre, Griffith University, Brisbane, Australia.
Science & Medicine in Football
|April 27, 2022
Summary
Few studies report missing data, highlighting a critical gap in research transparency. Addressing missing data is crucial for accurate scientific reporting and robust findings.
Area of Science:
- Biostatistics
- Data Science
- Research Methodology
Background:
- Incomplete datasets are common in scientific research.
- Transparent reporting of missing data is essential for study validity.
- Current practices often lack adequate reporting of missing data.
Purpose of the Study:
- To assess the extent to which scientific articles report on missing data.
- To identify deficiencies in the reporting of missing data in published research.
- To advocate for improved standards in handling and reporting missing data.
Main Methods:
- A random sample of 136 articles published in 2019 was analyzed.
- The presence or absence of statements regarding missing data was documented.
- Statistical analysis was performed to determine the proportion of studies reporting missing data.
Main Results:
- Only 11.0% of the surveyed studies included a statement about missing data.
- The confidence interval for this proportion was 6.3% to 17.5%.
- This indicates a low prevalence of reporting on missing data.
Conclusions:
- There is a significant need for researchers to improve the reporting of missing data.
- Recommendations include detailing the extent of missing values and conducting exploratory analyses.
- Imputation methods should be carefully considered and reported to ensure data representativeness.
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