Table 3.

Logistic regression analysis of clinical OA characteristics in HBM compared with controls

Clinical characteristic	Modela	OR	95% CI	P value
Joint pain (ever, any site) (n = 536)	1	1.80	1.13, 2.88	0.013
	2	1.08	0.64, 1.84	0.767
	3	0.98	0.57, 1.68	0.944
NSAID use (current) (n = 549)	1	2.79	1.49, 5.24	0.001
	2	2.50	1.28, 4.87	0.007
	3	2.17	1.10, 4.28	0.026
Knee crepitus (n = 408)	1	2.26	1.50, 3.42	< 0.001
	2	1.36	0.85, 2.20	0.202
	3	1.15	0.70, 1.89	0.572

^aResults are shown unadjusted (Model 1), adjusted for age and gender (Model 2) and adjusted for age, gender and BMI (Model 3).