Table 3.

β-Coefficient Values for Final Multivariable Model

Independent Variable/Covariates	Pain Self-Efficacy β-Coefficient (95%CIa)	P-value	Function Self-Efficacy β-Coefficient (95% CI)	P-value
Race, African American	−0.12 (−0.37–0.13)	0.34	−0.18 (−0.43–0.07)	0.16
Site, Philadelphia	−0.18 (−0.45–0.05)	0.12	−0.39 (−0.64–(−0.14))	<0.01
Age, 60–69	0.03 (−0.25–0.31)	0.82	−0.02 (−0.29–0.26)	0.91
Age, 70–79	0.30 (−0.04–0.65)	0.09	−0.36 (−0.70–(−0.01))	0.04
Education < high school	0.00 (−0.38–0.38)	0.99	−0.16 (−0.54–0.21)	0.39
Education ≥ Associate degree	0.51 (0.24–0.77)	<0.01	0.38 (0.12–0.65)	0.00
Income $15000–$29,999	0.13 (−0.15–0.42)	0.36	0.22 (−0.06–0.50)	0.13
Income ≥ $30,000	−0.03 (−0.32–0.26)	0.84	0.31 (0.02–0.59)	0.04
Income missing data	0.04 (−0.44–0.51)	0.89	0.33 (−0.14–0.80)	0.17
WOMACb	−0.36 (−0.45–(−0.26))	<0.01	−0.48 (−0.57–(−0.39))	<0.01
SF-12 MCSc	0.26 (0.16–0.36)	<0.01	0.31 (0.21–0.41)	<0.01

^aConfidence interval

^bWestern Ontario and McMaster Osteoarthritis Index

^cShort Form-12 mental component summary