Association of weather factors with the risk of pain exacerbations in people with hip osteoarthritis
K Fu, B Metcalf, KL Bennell, Y Zhang, LA Deveza, SR Robbins, ML Ferreira, DJ Hunter
Scandinavian Journal of Rheumatology | TAYLOR & FRANCIS LTD | Published : 2020
OBJECTIVES: Our objective was to evaluate the association of weather factors with the risk of pain exacerbations in people with symptomatic hip osteoarthritis (OA). METHOD: Eligible participants with symptomatic hip OA were instructed to log on to the study website and complete questionnaires every 10 days and additionally whenever they considered they were experiencing a pain exacerbation (case period) during the 90 day follow-up. Pain exacerbation was defined as an increase of two points in pain intensity on an 11-point numeric rating scale (0-10) during the follow-up compared with baseline. Each case period was anchored to four control periods within a 35 day interval using a time-stratif..View full abstract
DJH is supported by a National Health and Medical Research Council (NHMRC) Practitioner Fellowship, KLB by an NHMRC Principal Research Fellowship, and MLF by a Medical Research Future Fund/NHMRC Career Development Research Fellowship. KF received a scholarship from the China Scholarship Council (CSC).