Identifying Weekly Trajectories of Pain Severity Using Daily Data From an mHealth Study: Cluster Analysis

Claire L Little   ¹ , BSc, MA ;   David M Schultz   ^{2, 3} , PhD ;   Thomas House   ⁴ , PhD ;   William G Dixon   ^{1, 5} , PhD ;   John McBeth   ^{1, 5, 6} , PhD

¹ Centre for Epidemiology Versus Arthritis, University of Manchester, Manchester, United Kingdom

² Department of Earth and Environmental Sciences, Centre for Atmospheric Science, University of Manchester, Manchester, United Kingdom

³ Centre for Crisis Studies and Mitigation, University of Manchester, Manchester, United Kingdom

⁴ Department of Mathematics, University of Manchester, Manchester, United Kingdom

⁵ NIHR Manchester Musculoskeletal Biomedical Research Unit, Central Manchester University Hospitals NHS Foundation Trust, Manchester, United Kingdom

⁶ School of Primary Care, Population Sciences and Medical Education, University of Southamptom, Southampton, United Kingdom