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Table 1 Study and implementation characteristics of N = 28 evidence-based task-sharing mental health studies

From: Barriers and facilitators to implementation of evidence-based task-sharing mental health interventions in low- and middle-income countries: a systematic review using implementation science frameworks

  N %
Study characteristics
Region of study
  Africa 14 50.0%
  South Asia 9 32.1%
  Latin America and the Caribbean 3 10.7%
  Multi-region 2 7.1%
Mental health condition
  Common mental disorders (CMDs) only 23 82.1%
   CMDs 6 21.4%
   Depression only (non-perinatal) 9 32.1%
   Perinatal depression only 2 7.1%
   CMDs and comorbid conditions 6 21.4%
  Serious mental illnesses (SMIs) only 1 3.6%
  CMDs and SMIs 4 14.3%
Implementation characteristics
Type of task-sharing provider (TSP)
  Community health workers (CHWs)a 18 64.3%
  Primary health care providers (PHCPs)b 4 14.3%
  Complementary and alternative providers (CAPs) 1 3.6%
  Multiple provider types 5 17.9%
Evidence-based practice (EBP) used
  Mental Health Gap Action Programme (mhGAP) 8 28.5%
  Cognitive Behavioral Therapy (CBT) 6 21.4%
  Interpersonal Therapy (IPT) 3 10.7%
  Common Elements Treatment Approach (CETA) 2 7.1%
  Pharmacotherapy alone 2 7.1%
  Problem-Solving Therapy (PST) 2 7.1%
  Problem Management Plus (PM+) 1 3.6%
  Multiple EBPs 4 14.3%
Implementation stage
  Exploration 1 3.6%
  Preparation 4 14.3%
  Implementation 17 60.7%
  Sustainment 1 3.6%
  Multiple Stages 5 17.9%
  1. aCHWs include lay health workers, village health workers, lay psychosocial community workers, community health extension workers, community health officers, and community health aids
  2. bPHCPs include doctors, nurses, or other healthcare workers in primary care settings