Anonymized dataset for "Factors associated with myopia among adolescents in a central region of Portugal"

This record contains the anonymized dataset supporting the article "Factors associated with myopia among adolescents in a central region of Portugal". The dataset is provided in Excel and CSV formats.No direct personal identifiers are included. Participant names were never collected, and no re-identification key exists.Date of birth was replaced by age, and school-level information was aggregated.Variable definitions and coding are provided in the codebook worksheet included in the Excel file.