Guided self-help cognitive behavioural therapy for depression in primary care: a randomised controlled trial

Area of Science:

• Mental Health Research
• Clinical Psychology
• Evidence-Based Practice

Background:

• Access to traditional Cognitive Behavioural Therapy (CBT) for depression is often limited.
• CBT self-help books present a potential solution to increase accessibility.
• This study evaluated a guided self-help CBT book (GSH-CBT) intervention.

Purpose of the Study:

• To assess the impact of GSH-CBT on mood compared to treatment as usual (TAU).
• To evaluate the effectiveness of GSH-CBT in improving knowledge of depression causes and treatment.
• To determine the acceptability of guided self-help interventions for patients and staff.

Main Methods:

• A randomized controlled trial (RCT) involving 281 adults with a BDI-II score of ≥14 from seven UK general practices.
• Participants were randomized to either GSH-CBT (book plus 3-4 support appointments) or TAU.
• The primary outcome was the BDI-II score at 4 months, with follow-up at 12 months.

Main Results:

• The GSH-CBT group showed significantly lower mean BDI-II scores at 4 months (mean difference of 5.3 points, p<0.001).
• Higher proportions of participants in the GSH-CBT arm achieved a 50% reduction in BDI-II scores at 4 and 12 months.
• Significantly less mood deterioration was observed in the GSH-CBT group compared to TAU (2.0% vs. 9.8%).

Conclusions:

• Guided self-help CBT is substantially more effective than treatment as usual for depression.
• The intervention demonstrated significant improvements in mood and symptom reduction.
• Despite some limitations in follow-up rates and treatment uptake, GSH-CBT proves to be a highly effective intervention.