What do systematic reviews say?

Interventions targeting multiple sources vs practice

The review found no eligible studies for this question.

• Interventions to reduce ambient particulate matter air pollution and their effect on health 2019 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Interventions targeting vehicular sources vs practice

• Interventions to reduce ambient particulate matter air pollution and their effect on health 2019 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  Low

Interventions targeting industrial sources vs practice

• Interventions to reduce ambient particulate matter air pollution and their effect on health 2019 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  Low

Interventions targeting residential sources vs practice

• Interventions to reduce ambient particulate matter air pollution and their effect on health 2019 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  Low

Summary of findings table ‐ LSSS intervention vs regular salt

Summary of findings table ‐ LSSS intervention showed no clear difference in cardiovascular mortality (events per 100,000 person‐years) compared with regular salt (moderate certainty).

• Replacing salt with low‐sodium salt substitutes (LSSS) for cardiovascular health in adults, children and pregnant women 2022 · Cochrane Headline outcomes only
  Rate ratio 0.77 [0.6, 1]
  3 studies · 23200 participants
  Moderate