Comparison of the EPIC Physical Activity Questionnaire with combined heart rate and movement sensing in a nationally representative sample of older British adults
Citation
España-Romero , V , Golubic , R , Martin , K R , Hardy , R , Ekelund , U , Kuh , D , Wareham , N J , Cooper , R , Brage , S & NSHD scientific and data collection teams 2014 , ' Comparison of the EPIC Physical Activity Questionnaire with combined heart rate and movement sensing in a nationally representative sample of older British adults ' , PloS ONE , vol. 9 , no. 2 , e87085 . https://doi.org/10.1371/journal.pone.0087085