TABLE 3.

Stepwise multiple regression examining factors related to pain score in adults with knee osteoarthritis

Variable	Regression coefficient	SE	P
Body mass index category	19.7	7.6	0.02
Use of osteoarthritis medications	60.1	13.1	<0.001
Meet physical activity guidelines	−33.7	12.4	0.007
Use of supplements	−35.3	17.8	0.05
Self-reported health	−16.4	9.1	0.07
Use of medications	26.4	15.0	0.08
Bilateral knee osteoarthritis	11.8	7.7	0.13

^*P<0.15 was used as cut-off for inclusion in the model