What do systematic reviews say?

Primary‐level worker‐led collaborative care vs usual care

It is very uncertain whether primary‐level worker‐led collaborative care changes adverse events ‐ death compared with usual care (very low certainty).

• Primary‐level worker interventions for the care of people living with mental disorders and distress in low‐ and… 2021 · Cochrane Headline outcomes only
  RR 0.63 [0.38, 1.06]
  5 studies · 5300 participants
  Very low

Primary health professionals and lay health workers vs usual care

• Primary‐level worker interventions for the care of people living with mental disorders and distress in low‐ and… 2021 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 141 participants
  Very low

Lay health worker‐led interventions for adult patients with harmful or hazardous alcohol or substance use vs enhanced usual care

It is very uncertain whether lay health worker‐led interventions for adult patients with harmful… changes adverse events ‐ deaths (RR < 1 denotes lower risk) compared with enhanced usual care (very low certainty).

• Primary‐level worker interventions for the care of people living with mental disorders and distress in low‐ and… 2021 · Cochrane Headline outcomes only
  RR 0.34 [0.1, 1.18]
  3 studies · 1025 participants
  Very low

Lay health worker‐ vs enhanced usual care

It is very uncertain whether lay health worker‐led interventions changes adverse events ‐ death in past 12 months (RR > 1 denotes higher risk… compared with enhanced usual care (very low certainty).

• Primary‐level worker interventions for the care of people living with mental disorders and distress in low‐ and… 2021 · Cochrane Headline outcomes only
  RR 0.32 [0.01, 7.7]
  1 study · 135 participants
  Very low