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Abstract:
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Higher levels of physical activity (PA) have been associated with lower risk of developing a wide variety of chronic diseases and conditions (e.g., cardiometabolic diseases, several cancers, reduced cognitive function). While links between PA and many diseases have been characterized using questionnaire-based measurements, recent implementation of wearable sensors in large-scale epidemiologic studies sets the stage for further advances in understanding the relationship between PA and health. This talk will: (1) describe existing epidemiologic studies that have utilized wearable sensors as a primary measurement tool; (2) discuss the strengths and limitations of wearable sensors for quantifying human behavior; (3) describe PA-mortality dose-response findings in the National Health and Nutrition Examination Survey (NHANES); and (4) and outline important unresolved questions in PA and health research that wearable sensors may be able to resolve.
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