Funding for this research was provided by:
Medical Research Council Canada (Mr/M01311/1, MR/K025023/1)
Age UK (G1001245/96077)
Medical Research Council (MR/K026992/1)
Received: 6 September 2017
Accepted: 9 February 2018
First Online: 26 February 2018
Ethics approval and consent to participate
: The Seniors USP project was approved by the Scotland A NHS research ethics committee (for LBC1936 participants) and the University of Glasgow Ethics Committee (for T07 participants). All participants gave written informed consent.
: Not applicable.
: Philippa M. Dall has received funding from PAL technologies (who produce the activPAL monitor) for an unrelated study. The other authors have no competing interests to declare.
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