What are the Challenges of Using mHealth Devices in Epidemiology?

Despite their benefits, there are several challenges associated with the use of mHealth devices:

Data Privacy and Security: Ensuring the confidentiality and security of health data is a major concern.
Data Quality and Accuracy: The reliability of the data collected by mHealth devices can vary, affecting the validity of research findings.
User Compliance: Ensuring that users consistently use the devices as intended can be challenging.
Technical Issues: Technical problems such as device malfunctions and connectivity issues can hinder data collection.