Is the International Physical Activity Questionnaire Long Form (IPAQ) a reliable measure of free-living sedentary behaviour and physical activity in older persons? Comparisons with accelerometer measures | Activinsights Professional Wearables & Research Accelerometers

Author(s)	Ryan D, Wullems JA, Stebbings G, Morse CI, Stewart CE, Onambele-Pearson G.
Journal / Source	http://www.researchgate.net/profile/Lovro_Stefan/publication/283855141_PHYSICAL_PHYSIOLOGICAL_AND_PSYCHOLOGICAL_FITNESS_O_F_FREE_LIVING_ACTIVE_AND_NON-ACTIVE_OLDER_FEMALE_ADULTS/links/5648bad908ae451880ae9ac3.pdf
Date	December 2015