Table 7Study information table for trials comparing non-facilitated self-help with control

Non-facilitated bibliotherapy versus non-active control in mixed anxiety populationsNon-facilitated bibliotherapy versus waitlist control in a GAD-only populationNon-facilitated computer therapy versus waitlist control in a GAD-only population
No. trials (total participants)4 RCTs (159)1 RCT (38)1 RCT (100)
Study ID
BOWMAN1997HOUGHTON2008
N/% female
  1. 34/64%
  2. 38/0%
  3. 50/60%
  4. 62/58%
38/74%231/100%
Mean age (years)
  1. No information
  2. 35
  3. 41
  4. 38
4343
Diagnosis
  1. Previously diagnosed with an anxiety disorder
  2. All diagnosed with an anxiety disorder with a minimum cut-off score of 8 on HADS-A
  3. Previously diagnosed with an anxiety disorder
  4. All diagnosed with an anxiety disorder by DSM-III-R
All diagnosed with GAD as a primary diagnosis by DSM-III-RAll previously diagnosed with GAD
Baseline severity (clinician-rated)
  1. Not reported
  2. Cut-off scores for HADS is 8
  3. Not reported
  4. Baseline ADIS score 5.65–6.05
Baseline HAM-A score 27.9–29.1Not reported
Treatment
  1. Rational emotive bibliotherapy and audiotherapy
  2. CBT
  3. Relaxation training
  4. CBT
Problem solvingMindfulness
Comparator
  1. Waitlist control
  2. Treatment as usual
  3. Waitlist control
  4. Waitlist control and information control
Waitlist controlWaitlist control
Treatment length
  1. 8 weeks
  2. 4 weeks
  3. 3 weeks
  4. 13 weeks
4 weeks8 weeks
No. of sessions
  1. 16 sessions
  2. No sessions
  3. 1 session
  4. Unclear
4 sessions8 sessions

From: 6, LOW-INTENSITY PSYCHOLOGICAL INTERVENTIONS

Cover of Generalised Anxiety Disorder in Adults
Generalised Anxiety Disorder in Adults: Management in Primary, Secondary and Community Care.
NICE Clinical Guidelines, No. 113.
National Collaborating Centre for Mental Health (UK).
Leicester (UK): British Psychological Society; 2011.
Copyright © 2011, The British Psychological Society & The Royal College of Psychiatrists.

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