Table 3.

Odds Ratios and β–Coefficients for Multivariate Regression Model for Predicting Chronic Pain at 6 Months and 2 Years and Corresponding Point Score.

	6-month prediction model			2-year prediction model
Parameter	β–Coefficient	OR 6-mo (95% CI)	Point Multiplier	β–Coefficient	OR 2-y (95% CI)	Point Multiplier
College Education [y/n]	−.47 (−1.05–.10)	.62 (.35–1.10)	−5	−.29 (−.83–.24)	.75 (.44–1.27)	−3
Coping with TV and Music [0–10]	−.11 (−.20--.02)	.90 (.82–.98)	−1	−.11 (−.20--.03)	.89 (.82–.97)	−1
Ability to Sleep [0–10]	−.09 (−.18–.01)	.92 (.84–1.01)	−1
Ability to Walk 1 hour [y/n]				−.05 (−.11–.02)	.95 (.89–1.02)	−.5
Pain in Upper Back [y/n]	1.80 (1.09–2.51)	6.06 (2.98–12.31)	18	.65 (−.12–1.42)	1.92 (.89–4.13)	6.5
Pain Below Knee [y/n]	.59 (−.01–1.19)	1.80 (.99–3.27)	6
Pain Willing to Tolerate [0–10]				.16 (.00–.31)	1.17 (1.00–1.36)	1.5
Expectancy of Chronic Pain [0–10]	.12 (.01–.24)	1.13 (1.01–1.27)	1
Catastrophizing [0–10]	.11 (−01–.22)	1.12 (1.01–1.24)	1	.08 (−.01–.17)	1.08 (.99–1.19)	1
Coping by Ignoring Pain [0–10]	.10 (.01–.19)	1.11 (1.01–1.21)	1	.15 (.06–.23)	1.16 (1.06–1.26)	1.5
Perceived Stress 4 [0–10]				.12 (.02–.21)	1.12 (1.02–1.24)	1