What do systematic reviews say?

Early vs delayed school starts

• Later school start times for supporting the education, health, and well‐being of high school students 2017 · Cochrane Headline outcomes only
  no estimate extracted
  8 studies · 52340 participants
  Very low

Early vs delayed school starts

• Later school start times for supporting the education, health, and well‐being of high school students 2017 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 1200 participants
  Very low

Early vs delayed school starts

• Later school start times for supporting the education, health, and well‐being of high school students 2017 · Cochrane Headline outcomes only
  no estimate extracted
  4 studies · 255122 participants
  Very low

Early vs delayed school starts

• Later school start times for supporting the education, health, and well‐being of high school students 2017 · Cochrane Headline outcomes only
  no estimate extracted
  4 studies · 2735 participants
  Very low

Early vs delayed school starts

• Later school start times for supporting the education, health, and well‐being of high school students 2017 · Cochrane Headline outcomes only
  no estimate extracted
  4 studies · 207576 participants
  Very low

Intervention not reported

• Asthma education for school staff 2017 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 472 participants
  GRADE not reported

Intervention not reported

• Asthma education for school staff 2017 · Cochrane Headline outcomes only
  no estimate extracted
  0 studies · 0 participants
  GRADE not reported

Intervention not reported

• Asthma education for school staff 2017 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 1005 participants
  Low

Intervention not reported

• Asthma education for school staff 2017 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 472 participants
  GRADE not reported

Intervention not reported

• Asthma education for school staff 2017 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 57 participants
  Low

Intervention not reported

• Asthma education for school staff 2017 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 472 participants
  GRADE not reported

Intervention not reported

• Asthma education for school staff 2017 · Cochrane Headline outcomes only
  no estimate extracted
  3 studies · 640 participants
  Low

Action plan vs usual care

Action plan showed no clear difference in hospitalisations for COPD/100 patient‐years (action plan + phone compared with usual care (moderate certainty).

• Action plans with brief patient education for exacerbations in chronic obstructive pulmonary disease 2016 · Cochrane Headline outcomes only
  Rate ratio 0.69 [0.47, 1.01]
  1 study · 743 participants
  Moderate

Action plan vs usual care

Action plan leads to lower hospitalisations and emergency visits for COPD/100 patient‐years… compared with usual care (high certainty).

• Action plans with brief patient education for exacerbations in chronic obstructive pulmonary disease 2016 · Cochrane Headline outcomes only
  Rate ratio 0.59 [0.44, 0.79]
  1 study · 743 participants
  High

Action plan vs usual care

Action plan probably leads to lower at least 1 hospital admission compared with usual care (moderate certainty).

• Action plans with brief patient education for exacerbations in chronic obstructive pulmonary disease 2016 · Cochrane Headline outcomes only
  Odds ratio 0.69 [0.49, 0.97]
  2 studies · 897 participants
  Moderate

Action plan vs usual care

Action plan showed no clear difference in mortality (all‐cause) compared with usual care (moderate certainty).

• Action plans with brief patient education for exacerbations in chronic obstructive pulmonary disease 2016 · Cochrane Headline outcomes only
  Odds ratio 0.88 [0.59, 1.31]
  4 studies · 1134 participants
  Moderate

Action plan vs usual care

• Action plans with brief patient education for exacerbations in chronic obstructive pulmonary disease 2016 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 200 participants
  Moderate

Action plan vs usual care

• Action plans with brief patient education for exacerbations in chronic obstructive pulmonary disease 2016 · Cochrane Headline outcomes only
  no estimate extracted
  3 studies · 943 participants
  Moderate

Action plan vs usual care

• Action plans with brief patient education for exacerbations in chronic obstructive pulmonary disease 2016 · Cochrane Headline outcomes only
  no estimate extracted
  3 studies · 1009 participants
  Moderate

Action plan vs usual care

• Action plans with brief patient education for exacerbations in chronic obstructive pulmonary disease 2016 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 154 participants
  Low