The fixed effect for frequency of use did not reach statistical significance (t 216.2 =0.58; P =.72) but improved the model fit and was therefore kept in the model.
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Efficacy of a Guided Web-Based Self-Management Intervention for Depression or Dysthymia: Randomized Controlled Trial With a 12-Month Follow-Up Using an Active Control Condition.
2
0.7200
0.7200
The sentences
This effect was especially apparent at the 3-month follow-up ( d =0.281, reduction on the IDS-SR was 8.2 points for iFD and 4.8 for PMR), whereas the group difference was only approaching significance after 6 weeks (following the intervention, the main outcome as predefined in the study protocol, d =0.192).