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Course of pain intensity over 1 year by depressive symptoms and pain intensity at baseline. Group 0 0: baseline pain ≤5/10 and no depressive symptoms (n=262, 42%), group 0 1: baseline pain ≤5/10 with depressive symptoms (n=33, 5%), group 1 0: baseline pain ≥6/10 and no depressive symptoms (n=281, 46%), and group 1 1: baseline pain ≥6/10 with depressive symptoms (n=41, 7%).
