. Author manuscript; available in PMC: 2014 Sep 1.

Published in final edited form as: Osteoarthritis Cartilage. 2013 Sep;21(9):1199–1206. doi: 10.1016/j.joca.2013.05.013

Table 4. Multivariable Analysis of Associations Between Spinal Degeneration on CT Imaging and Frequent Back Pain.

	Model 1- Severity of Facet Joint OA and Disc Height Narrowing	Model 2- Extent of Facet Join OA and Disc Height Narrowing
	Odds Ratio (95% Confidence Interval)

Sociodemographics

Age ≥ 75 years	1.50 (0.74-3.04)	1.42 (0.70-2.88)
Living alone	1.82 (0.79-4.21)	1.71 (0.74-3.96)
Retired	1.88 (0.97-3.66)	1.80 (0.93-3.47)

Spinal Degeneration on CT Imaging

Any severe facet joint OA	2.15 (1.13-4.08)^*	-
# of joints with severe OA	-	1.22 (1.04-1.42)^*
Any severe disc height narrowing	0.69 (0.36-1.33)	-
# of levels with severe narrowing	-	0.89 (0.59-1.34)

statistically significant (p ≤ 0.05)