Research Article

Risk Factors Linked to Psychological Distress, Productivity Losses, and Sick Leave in Low-Back-Pain Employees: A Three-Year Longitudinal Cohort Study

Figure 2

Regression plot of changes between baseline and 3-year follow-up changes in LBP severity and performance, or psychological distress, or days of absence for sick leave in the two groups (organic versus not-organic LBP). Note: LBP, Low Back Pain; OC, organic causes; n-OC, not-organic causes.