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The Unanticipated Challenges Associated With Implementing an Observational Study Protocol in a Large-Scale Physical
Paul McCrorie1, David Walker1, Anne Ellaway1
1MRC/CSO Social and Public Health Sciences Unit, University of Glasgow, Glasgow, United Kingdom.
Conducting large-scale physical activity and GPS data collection presents challenges. This study details unforeseen issues in cost, timeline, participation, and data, offering insights for future observational research.
Area of Science:
- Epidemiology
- Public Health Research
- Childhood Activity Monitoring
Background:
- Large-scale data collection is resource-intensive.
- Observational research protocols are increasingly common.
- Sharing challenges encountered in observational studies is valuable.
Purpose of the Study:
- To identify and discuss unforeseen issues in large-scale physical activity and GPS data collection.
- To provide practical insights for researchers planning similar studies.
Main Methods:
- The SPACES study collected physical activity and GPS data from children aged 10-11.
- A postal delivery method was used for materials and equipment.
- The study design and implementation phases were analyzed.
Main Results:
- Challenges impacted cost, budget, timeline, participation, and data.
- Issues included informed consent, postal service coordination, and participant engagement variability.
- Data processing was complicated by daylight saving time shifts.
Conclusions:
- Unforeseen challenges in large-scale data collection are common.
- Recommendations are provided to mitigate issues in future studies.
- Learning points can inform the development of similar research projects.
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