Table 3.

Results of the Unconditional Models

	CLBP—clustering variable used				CNP—clustering variable used
Estimated coefficients	Region and clinic	Region only	Clinic only	Neither	Region and clinic	Region only	Clinic only	Neither
Prevalence of patients with a goal of preventing pain from coming back compared with those with a goal of cure	0.69 (0.5, 0.9)	0.69 (0.5–0.9)	0.70 (0.6–0.9)	0.69 (0.6–0.8)	0.50 (0.4–0.7)	0.50 (0.4–0.6)	0.50 (0.4–0.7)	0.50 (0.4–0.6)
Prevalence of patients with a goal of preventing pain from getting worse compared with those with a goal of cure	0.44 (0.3–0.6)	0.44 (0.3–0.6)	0.44 (0.4–0.6)	0.44 (0.4–0.5)	0.40 (0.3–0.5)	0.39 (0.3–0.5)	0.40 (0.3–0.5)	0.39 (0.3–0.5)
Prevalence of patients with a goal of easing pain temporarily compared with those with a goal of cure	0.97 (0.8–1.3)	0.97 (0.8–1.2)	0.98 (0.8–1.2)	0.97 (0.8–1.1)	1.33 (1.1–1.6)	1.31 (1.1–1.6)	1.33 (1.1–1.6)	1.31 (1.1–1.6)
Variance attributable to Region	1.04 (0.9–1.1)	1.04 (0.96–1.1)	—	—	1.00 (1.0–1.0)	1.00 (1.0–1.0)	—	—
Variance attributable to Clinic	1.17 (0.9–1.5)	—	1.20 (0.96–1.5)	—	1.32 (0.97–1.8)	—	1.32 (0.97–1.8)	—
BIC	2400.8	2397.5	2395.4	2392.9	1885.4	1885.0	1878.8	1878.4

BIC, Bayesian Information Criterion.