Psychophysiological effects of outdoor green exercise: Raw data and metadata

Dataset Description: This dataset contains processed and de-identified data from a randomized controlled trial on the psychophysiological effects of green exercise. Data Processing and Privacy: All raw data have undergone professional cleaning, secondary calculation, and anonymization. Specifically, individual identifying information has been removed, and physiological metrics (e.g., HRV and salivary cortisol) have been transformed into research-ready formats. Ethical Compliance: The collection and public sharing of this processed dataset were conducted with the explicit written informed consent of all participants. Note on Data Format: While raw behavioral responses were recorded as integers, the values presented in this dataset include decimals due to data normalization, the calculation of subscale means (for psychological metrics), and secondary signal processing (for physiological indices like HRV-RMSSD). The presence of decimal values in the dataset arises from the calculation of subscale means and the normalization of raw scores. For instance, psychological scores represent the average of multiple items within a construct, rather than simple summations of raw integers.These processed values provide a more precise representation of the psychophysiological changes during the intervention. To handle missing values resulting from incomplete responses, we employed mean imputation based on the available responses for that specific subscale. This procedure ensures data integrity while resulting in continuous numerical values (decimals).