| http://www.w3.org/ns/prov#value | - We collected information on poten-tial confounders, suchas age,race,smokingstatus, weight,height,physical activity, medication use, Crown-Crisp phobic anxietyindex, and history of major chronic diseases, including stroke,hypertension, MI, diabetes, arthritis, and Parkinson disease (PD),via biennial questionnaires throughout the follow-up period.Statistical analyses.
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