What do systematic reviews say?

Combination of interventions vs no intervention

• Health system and community level interventions for improving antenatal care coverage and health outcomes 2015 · Cochrane Headline outcomes only
  no estimate extracted
  5 studies · 39130 participants
  Moderate

Combination of interventions vs no intervention

• Health system and community level interventions for improving antenatal care coverage and health outcomes 2015 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 2084 participants
  Moderate

Combination of interventions vs no intervention

• Health system and community level interventions for improving antenatal care coverage and health outcomes 2015 · Cochrane Headline outcomes only
  no estimate extracted
  0 studies · 0 participants
  GRADE not reported

Combination of interventions vs no intervention

Combination of interventions showed no clear difference in ANC coverage: four or more visits compared with no intervention (low certainty).

• Health system and community level interventions for improving antenatal care coverage and health outcomes 2015 · Cochrane Headline outcomes only
  OR 1.48 [0.99, 2.21]
  6 studies · 7840 participants
  Low

Combination of interventions vs no intervention

Combination of interventions showed no clear difference in pregnancy‐related deaths compared with no intervention (moderate certainty).

• Health system and community level interventions for improving antenatal care coverage and health outcomes 2015 · Cochrane Headline outcomes only
  OR 0.7 [0.39, 1.26]
  3 studies · 13756 participants
  Moderate

Intervention diet vs control

• Interventions for preventing obesity in children 2019 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 294 participants
  Low

Brief intervention vs information only

• Brief school‐based interventions and behavioural outcomes for substance‐using adolescents 2016 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 434 participants
  Moderate

Brief intervention vs assessment only

• Brief school‐based interventions and behavioural outcomes for substance‐using adolescents 2016 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 242 participants
  Low

Brief intervention vs information only

• Brief school‐based interventions and behavioural outcomes for substance‐using adolescents 2016 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 434 participants
  Moderate

Brief intervention vs information only

• Brief school‐based interventions and behavioural outcomes for substance‐using adolescents 2016 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 470 participants
  Moderate

Brief intervention vs information only

• Brief school‐based interventions and behavioural outcomes for substance‐using adolescents 2016 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 470 participants
  Moderate

Brief intervention vs information only

• Brief school‐based interventions and behavioural outcomes for substance‐using adolescents 2016 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 470 participants
  Moderate

Brief intervention vs assessment only

• Brief school‐based interventions and behavioural outcomes for substance‐using adolescents 2016 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 242 participants
  Low

Brief intervention vs assessment only

• Brief school‐based interventions and behavioural outcomes for substance‐using adolescents 2016 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 179 participants
  Low

Brief intervention vs assessment only

• Brief school‐based interventions and behavioural outcomes for substance‐using adolescents 2016 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 190 participants
  Low

Brief intervention vs assessment only

• Brief school‐based interventions and behavioural outcomes for substance‐using adolescents 2016 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 338 participants
  Low

Other interventions (1/1): Physical exercise and sleep hygiene education vs WAIT LIST

• Person‐directed, non‐pharmacological interventions for sleepiness at work and sleep disturbances caused by shift work 2016 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 32 participants
  Moderate

Primary health professional‐ and community professional‐led interventions vs enhanced usual care

Primary health professional‐ and community professional‐led… showed no clear difference in clinical recovery ‐ harmful or hazardous alcohol use (1 to 6 months… compared with enhanced usual care (moderate 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 0.93 [0.77, 1.12]
  3 studies · 1075 participants
  Moderate

Primary health professional‐ and community professional‐led interventions vs enhanced usual care

It is very uncertain whether primary health professional‐ and community professional‐led… changes prevalence of cannabis use (1 to 6 months post intervention) (RR < 1… 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 1.1 [0.67, 1.8]
  1 study · 152 participants
  Very low

Primary health professional‐ and community professional‐led interventions vs enhanced 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
  3 studies · 1075 participants
  Low