Table 2 General linear model for repeated measures examining patients with low back pain-related disability who presented at a neck and back outpatient clinic and completed a questionnaire for the initial assessment (Time 1) and six months later (Time 2) (N = 4975). Higher scores indicate greater low back pain-related disability

From: Health consequences of graded, full, and no sickness absence among workers with musculoskeletal disorders: health profiles and six-months symptom changes of patients referred to Norwegian outpatient clinics for chronic neck and back pain