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Table 3 Results from linear spline models for Psychodynamic Functioning Scales, Beck Depression Inventory, and Montgomery and Åsberg Depression Rating Scale

From: The first experimental study of transference work–in teenagers (FEST–IT): a multicentre, observer- and patient-blind, randomised controlled component study

Dependent variable Estimate SE CI (95%) Df F-value t p
Psychodynamic functioning scale
From pre- to post-treatment
  Time a 1.7 .39 .92 to 2.5 62.0 46.5 4.3 .000
  Time x treatment b .21 .50 −.79 to 1.2 58.1 .18 .67 .674
Post-treatment to one-year follow-up
  Time a .37 .21 −.05 to .78 47.3 17.8 1.8 .083
  Time x treatment b .41 .27 - .13 to .96 47.0 2.3 1.5 .134
Beck Depression Inventory
From pre-treatment to 12 weeks
  Time a −10.1 2.0 −14.0 to −6.1 65.1 43.8 −5.1 .000
  Time x treatment b 2.8 2.5 −2.2 to 7.9 61.6 1.2 1.1 .270
From 12 weeks to one-year follow-up
  Time a −.83 .30 −1.4 to −.23 55.9 39.4 −2.8 .008
  Time x treatment b −.91 .38 −1.7 to −.14 48.6 5.6 2.4 .022
MADRS
From pre-treatment to 12 weeks
  Time a −9.5 15 −12.5 to −6.5 59.7 60.4 −6.3 .000
  Time x treatment b 1.9 1.8 −1.7 to 5.5 49.6 1.1 −1.0 .390
From 12 weeks to one-year follow-up
  Time a −.22 .25 −.72 to .29 49.6 15.8 −.87 .302
  Time x treatment b −.91 .33 1.6 to .23 45.8 7.4 2.7 .009
  1. Note: a. Change rate for the non-transference work group; b. Difference in change rates for the two treatment groups. For instance, during the second time period (from 12 weeks into treatment to one-year follow-up), BDI for the non-transference work group decreased by .83 points for every 10 weeks, and BDI for the transference work group had decreased by 1.74 points for every ten weeks (.83 + .91 points)