Table 2: Results of the multilevel model for discontinuous change with pain intensity as outcome .

ParameterEstimateSEdfT-statistic

Intercept (pretreatment)6.510.12183.0053.22<0.001
Change from pretreatment to the end of treatment−0.970.12178.66−7.83<0.001
Change from pretreatment to 1-month follow-up−1.180.14165.87−8.58<0.001
Change from pretreatment to 6-month follow-up−0.850.15168.24−5.74<0.001
Change from pretreatment to 1-year follow-up−0.990.16159.29−6.12<0.001