Personal PM₂.₅ and HRV in Taiwan Amateur Runners data

This zip file provides analysis materials for the manuscript “Personal PM₂.₅ and HRV in Amateur Runners: Observational Associations from Personal Sensor Monitoring.” The encrypted ZIP file includes a de‑identified, analysis‑ready spreadsheet with 5‑minute epoch–level data (personal PM₂.₅, SDNN, heart rate, activity intensity, exercise stage, season, and covariates), the R scripts used for data processing and GAMM analyses, and a README describing variables and data selection/quality‑control steps. The ZIP file is password protected to comply with IRB requirements; interested researchers may contact the corresponding author to request the password and conditions of use.