Dear all researchers,

Currently, I am conducting a crowdsourcing research to understand your opinions regarding the important outcome measure items/outcomes changes that indicate clinically significant low back pain (LBP) improvements in older adults. http://www.allourideas.org/olderpeoplewithlowbackpain

I would appreciate your help in ranking the relative importance of different potential outcome measure items.

When click on the link, 2 potential outcome measures will be displayed. You are requested to pick the outcome item that can better indicate low back pain improvements in older adults. Once you submit your answer, another random pair of outcome items will be shown for your comparison. You can quit the questionnaire at any time.  

Additionally, you can add other outcome items for comparison if you think that some better options are missing. Please feel free to share the link to your professional groups/associations through different online media (e.g. facebook or twitter) if you want. Thanks in advance for your help!

Arnold

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