Compliance with telephone-based lifestyle weight loss programs improves low back pain but not knee pain outcomes: complier average causal effects analyses of 2 randomised trials.

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"This analysis was funded by a grant from the Priority Research Centre for Health Behaviour at the University of Newcastle, NSW, Australia. The randomised controlled trials were funded using resources provided by the Hunter New England Local Health District and University of Newcastle. C. M. Williams, S. J. Kamper, H. Lee, and R. K. Hodder are funded by fellowships from the National Health and Medical Research Council of Australia. E. Robson reports grants from Priority Research Centre for Health Behaviour University of Newcastle, during the conduct of the study."

"We conducted CACE analyses on data from 2 pragmatic, 2-arm RCTs completed in January 2016 in the Hunter New England Local Health District, New South Wales (NSW), Australia. Both trials were prospectively registered (Australian New Zealand Clinical Trial Registry ACTRN12615000478516 for the LBP trial and ACTRN12615000490572 for the knee OA trial) and approved by an Institutional Ethics Committee (Hunter New England Research Ethics Committee [approval No. 13/12/11/5·18] and University of Newcastle Human Research Ethics Committee [approval No. H-2015-0043]). Full details, analysis plans, and outcomes of the 2 RCTs are reported elsewhere.,,,"