... at base-line and at the 4th visit, dura-tion of pain at base-line, total duration of pain in the pastyear, pain in other parts of the spine past year, generalhealth, and outcome at the 4th ... At the three months follow-up, duration of pain in the past year (OR 2.1; 95% CI 1. 4-3 .1), and pain in other parts of the spine in the past year (OR1.6; 1. 1-2 .5)were independently associated with ... Leb-oeuf-Yde C, the Nordic back pain subpopulation program: Valida-tion and improvement of a predictive model for treatment outcome in patients with low back pain receiving chiroprac-tic treatment. ...