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Table 3 Characteristics of included studies

From: Contemporary treatment of anxiety in primary care: a systematic review and meta-analysis of outcomes in countries with universal healthcare

First Author, Year Country n FU Disorder Outcome Treatment Modality Provider Control
Psychological Treatment Studies
 Berger, 2017 Germany/Switzerland/Austria 139 6-mth Anx BAI CBT Online Self CAU
 Gensichen, 2019 Germany 419 6-mth Anx BAI CBT Guided bibliotherapy GP CAU
 Kendrick, 2005 (1) United Kingdom 247 4-mth CMD HADS-A Other F2F Mental health nurse CAU
 Kendrick, 2005 (2)       Other F2F Mental health nurse CAU
 Klein, 2006 (1) Australia 55 3-mth Anx PDSS CBT Online Psychologist Waitlist
 Klein, 2006 (2)       CBT Bibliotherapy Trainee psychologist Waitlist
 Newby, 2013 Australia 99 3-mth CMD GAD-7 CBT Online Unspecified clinician Waitlist
 Nordgren, 2014 Sweden 100 10-mth Anx BAI CBT Online Trainee psychologist Waitlist
 Power, 2000 (1) Scotland 104 6-mth Anx HAM-A CBT Guided (std.) bibliotherapy Clinical psychologist CAU
 Power, 2000 (2)       CBT Guided (min.) bibliotherapy Clinical psychologist CAU
 Seekles, 2011a Netherlands 108 - Anx HADS-A Other/CBT Guided online/bibliotherapy Mental health nurse CAU
 Sharp, 2004 (1) United Kingdom 97 3-mth Anx HAM-A CBT F2F Clinical psychologist Waitlist
 Sharp, 2004 (2)       CBT F2F – group Clinical psychologist Waitlist
 Sundquist, 2015 Sweden 215 - CMD HADS-A Other F2F – group Psychologist/counsellor CAU
 van Boeijen, 2005 Netherlands 142 10-mth Anx STAI-S CBT Guided bibliotherapy GP CAU
Pharmacological Treatment Studies
 Laakmann, 1998 (1) Germany 125 - Anx HAM-A Buspirone Tablet GP Placebo
 Laakmann, 1998 (2)       Lorazepam Tablet GP Placebo
 Lader, 1998 (1) France and United Kingdom 244 - Anx HAM-A Hydroxyzine Tablet GP Placebo
 Lader, 1998 (2)       Buspirone Tablet GP Placebo
 Lenox-Smith, 2003 United Kingdom 244 - Anx HAM-A Venlafaxine Tablet GP Placebo
 Llorca, 2002 (1) France 334 - Anx HAM-A Hydroxyzine Tablet GP Placebo
 Llorca, 2002 (2)       Bromazepam Tablet GP Placebo
Combined Treatment and Stepped Care Studies
 Blomhoff, 2001 (1) United Kingdom 387 - Anx SPS Sertraline + CBT F2F + tablet GP Placebo
 Blomhoff, 2001 (2)       Sertraline Tablet GP Placebo
 Blomhoff, 2001 (3)       CBT F2F GP Placebo
 Muntingh, 2014 Netherlands 180 9-mth Anx BAI Stepped Care Multiple Multiple CAU
 Oosterbaan, 2013 Netherlands 158 4-mth CMD HAM-A Stepped Care Multiple Multiple CAU
 Seekles, 2011b Netherlands 120 - CMD HADS-A Stepped Care Multiple Multiple CAU
  1. Anx anxiety disorders only, CMD common mental disorders, BAI Beck Anxiety Inventory, GAD-7 Generalized Anxiety Disorder 7-item Scale, HADS-A Hospital Anxiety and Depression Scale-Anxiety Subscale, HAM-A Hamilton Anxiety Scale, PDSS Panic Disorder Severity Scale, SPS Social Phobia Scale, STAI-S State Trait Anxiety Inventory-State Subscale, CBT Cognitive Behaviour Therapy, F2F face-to-face therapy, GP general practitioner, CAU care as usual, FU follow-up length post-treatment, n total n for study