Original Research

Physical activity derived from questionnaires and wrist-worn accelerometers: comparability and the role of demographic, lifestyle, and health factors among a population-based sample of older adults

Koolhaas CM, van Rooij FJA, Cepeda M, Tiemeier H, Franco OH, Schoufour JD

Clinical Epidemiology 2018, 10:1-16

Published Date: 18 December 2017