Long-Term Outcomes of a Multimodal Day-Clinic Treatment for Chronic Pain under the Conditions of Routine Care

Table 2

Results of the multilevel model for discontinuous change with pain intensity as outcome .

Parameter	Estimate	SE	df	T-statistic
Intercept (pretreatment)	6.51	0.12	183.00	53.22	<0.001
Change from pretreatment to the end of treatment	−0.97	0.12	178.66	−7.83	<0.001
Change from pretreatment to 1-month follow-up	−1.18	0.14	165.87	−8.58	<0.001
Change from pretreatment to 6-month follow-up	−0.85	0.15	168.24	−5.74	<0.001
Change from pretreatment to 1-year follow-up	−0.99	0.16	159.29	−6.12	<0.001