What do systematic reviews say?

Primary school-based behavioural intervention (both oral hygiene and dietary components) vs No treatment (or delayed treatment)

Primary school-based behavioural intervention (both oral hygiene and… showed no clear difference in plaque indices (permanent and deciduous teeth) compared with no intervention or delayed intervention (non-intervention control;… (low certainty).

• Primary school‐based behavioural interventions for preventing caries 2013 · Cochrane All outcomes

  3 to 15 months
  SoF (Plaque indices, follow-up 3 to 15 months): 'All 3 RCTs showed a reduction in plaque in the intervention group compared to control group'; 827 participants (3 RCTs); GRADE low; comment 'Data not suitable for…
  3 studies · 827 participants
  Low

Primary school-based behavioural intervention (both oral hygiene and dietary components) vs No treatment (or delayed treatment)

• Primary school‐based behavioural interventions for preventing caries 2013 · Cochrane All outcomes

  15 months
  PF 0.65 [0.12, 1.18]
  1 study · 60 participants
  Low

Primary school-based behavioural intervention (both oral hygiene and dietary components) vs No treatment (or delayed treatment)

• Primary school‐based behavioural interventions for preventing caries 2013 · Cochrane All outcomes
  Worthington 2001 reported changes in oral health knowledge and skills: improvement was apparent in both intervention and control groups at the 4-month follow-up (phase one) but greater in the intervention group (34%…
  1 study
  GRADE not reported

Primary school-based behavioural intervention (both oral hygiene and dietary components) vs No treatment (or delayed treatment)

• Primary school‐based behavioural interventions for preventing caries 2013 · Cochrane All outcomes
  Worthington 2001 found no change in reported dental visits over the course of the programmes, with 97% of children at baseline reporting visiting the dentist every 2 years.
  1 study
  GRADE not reported

Primary school-based behavioural intervention (both oral hygiene and dietary components) vs No treatment (or delayed treatment)

The review found no eligible studies for this question.

• Primary school‐based behavioural interventions for preventing caries 2013 · Cochrane All outcomes
  No other behavioural outcomes (e.g. objective toothbrush tracking or food-wrapper collection) were measured by the four included studies.
  0 studies
  No studies found

Primary school-based behavioural intervention (both oral hygiene and dietary components) vs No treatment (or delayed treatment)

The review found no eligible studies for this question.

• Primary school‐based behavioural interventions for preventing caries 2013 · Cochrane All outcomes
  No study reported any adverse events.
  0 studies
  No studies found

Primary school-based behavioural intervention (both oral hygiene and dietary components) vs No treatment (or delayed treatment)

• Primary school‐based behavioural interventions for preventing caries 2013 · Cochrane All outcomes

  2 years
  PF 0.49
  1 study
  GRADE not reported

Primary school-based behavioural intervention (both oral hygiene and dietary components) vs No treatment (or delayed treatment)

• Primary school‐based behavioural interventions for preventing caries 2013 · Cochrane All outcomes
  Worthington 2001: few children had problems identifying foods containing sugar; only 15% of intervention and 19% of control participants reported routinely consuming sugary snacks on arriving home from school; snacking…
  1 study
  GRADE not reported

Primary school-based behavioural intervention (both oral hygiene and dietary components) vs No treatment (or delayed treatment)

• Primary school‐based behavioural interventions for preventing caries 2013 · Cochrane All outcomes
  Worthington 2001 reported children's brushing frequency: almost all children (99%) at baseline reported twice daily brushing, and this level was maintained across all groups throughout the intervention (in baseline…
  1 study
  GRADE not reported

Supportive interventions for enhancing dietary intake vs comparators

Supportive interventions for enhancing dietary intake probably leads to lower all‐cause mortality compared with comparators (moderate certainty).

• Supportive interventions for enhancing dietary intake in malnourished or nutritionally at‐risk adults 2016 · Cochrane Headline outcomes only
  RR 0.78 [0.66, 0.92]
  12 studies · 6683 participants
  Moderate

Supportive interventions for enhancing dietary intake vs comparators

• Supportive interventions for enhancing dietary intake in malnourished or nutritionally at‐risk adults 2016 · Cochrane Headline outcomes only
  no estimate extracted
  5 studies · 4015 participants
  Very low

Supportive interventions for enhancing dietary intake vs comparators

• Supportive interventions for enhancing dietary intake in malnourished or nutritionally at‐risk adults 2016 · Cochrane Headline outcomes only
  no estimate extracted
  5 studies · 4451 participants
  Low

Supportive interventions for enhancing dietary intake vs comparators

• Supportive interventions for enhancing dietary intake in malnourished or nutritionally at‐risk adults 2016 · Cochrane Headline outcomes only
  no estimate extracted
  5 studies · 667 participants
  Very low

Supportive interventions for enhancing dietary intake vs comparators

• Supportive interventions for enhancing dietary intake in malnourished or nutritionally at‐risk adults 2016 · Cochrane Headline outcomes only
  no estimate extracted
  3 studies · 4108 participants
  Very low

Supportive interventions for enhancing dietary intake vs comparators

• Supportive interventions for enhancing dietary intake in malnourished or nutritionally at‐risk adults 2016 · Cochrane Headline outcomes only
  no estimate extracted
  17 studies · 2024 participants
  Moderate

Supportive interventions for enhancing dietary intake vs comparators

• Supportive interventions for enhancing dietary intake in malnourished or nutritionally at‐risk adults 2016 · Cochrane Headline outcomes only
  no estimate extracted
  3 studies · 1152 participants
  Very low

Dietary interventions vs usual care

Dietary intervention may leads to higher severity of psoriasis PASI 75 (the proportion of participants… compared with usual care (low certainty).

• Lifestyle changes for treating psoriasis 2019 · Cochrane Headline outcomes only
  RR 1.66 [1.07, 2.58]
  2 studies · 323 participants
  Low

Dietary interventions vs usual care

• Lifestyle changes for treating psoriasis 2019 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 36 participants
  Moderate

Dietary interventions vs usual care

The review found no eligible studies for this question.

• Lifestyle changes for treating psoriasis 2019 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Dietary interventions vs usual care

• Lifestyle changes for treating psoriasis 2019 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 78 participants
  Moderate