Early Signs, Diagnosis & Symptoms
Written by: Jonathan Simmons | Last reviewed: September 2013.
The survey included over 100 questions on a broad range of topics. A total of 1,055 people started the survey while 706 people completed the survey resulting in a high completion rate of 67%. To qualify for the survey, participants had to be RA patients over 18 years old and a US resident or US citizen living abroad. The study was solely developed and funded by Health Union, LLC which does not manufacture, sell nor market any product to diagnose, prevent or treat RA or any other disease.