The objective is to test if Internet-delivered cognitive behavior therapy (iCBT) or Internet-delivered psychodynamic therapy (iPDT) performs better for a population with generalized anxiety disorder (GAD), compared to a wait-list control condition.
This was a non-inferiority trial within the context of a parallel group study with unrestricted randomisation in 1:1:1 ratio conducted in Sweden. Outcome assessors were blind to treatment status.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
81
Linköping University
Linköping, Östergötland County, Sweden
Penn State Worry Questionnaire (PSWQ)
Change from baseline in anxiety symptoms to two weeks post treatment.
Time frame: Two weeks pre treatment to two weeks post treatment.
Montgomery Åsberg Depression Rating Scale-Self Rated (MADRS-S)
Change from baseline in depressive symptoms to two weeks post treatment.
Time frame: Two weeks pre treatment to two weeks post treatment
Quality of Life Inventory (QOLI)
Change from baseline in quality of life status to two weeks post treatment.
Time frame: Two weeks pre treatment to two weeks post treatment
Beck Depression Inventory (BDI)
Change from baseline in depressive symptoms to two weeks post treatment.
Time frame: Two weeks pre treatment to two weeks post treatment
Beck Anxiety Inventory (BAI)
Change from baseline in anxiety symptoms to two weeks post treatment.
Time frame: Two weeks pre treatment to two weeks post treatment
Trimbos and iMTA questionnaire on Costs associated with Psychiatric illness (TIC-P)
Change from baseline in societal cost of illness to two weeks post treatment.
Time frame: Two weeks pre treatment to two weeks post treatment
State Trait Anxiety Inventory (STAI)
Change from baseline in anxiety symptoms to two weeks post treatment.
Time frame: Two weeks pre treatment to two weeks post treatment
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Generalized Anxiety Disorder Questionnaire IV (GAD-Q IV)
Change from baseline in anxiety symptoms to two weeks post treatment.
Time frame: Two weeks pre treatment to two weeks post treatment