What do systematic reviews say?

Mediterranean dietary intervention vs usual care

• Mediterranean‐style diet for the primary and secondary prevention of cardiovascular disease 2019 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 441 participants
  Low

Mediterranean dietary intervention vs usual care

• Mediterranean‐style diet for the primary and secondary prevention of cardiovascular disease 2019 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 339 participants
  Very low

Mediterranean dietary intervention vs usual care

• Mediterranean‐style diet for the primary and secondary prevention of cardiovascular disease 2019 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 339 participants
  Very low

Mediterranean dietary intervention vs usual care

• Mediterranean‐style diet for the primary and secondary prevention of cardiovascular disease 2019 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 605 participants
  Low

Any topical or systemic intervention (topical/systemic steroids, ciclosporin, tacrolimus, retinoids, anti-malarials, biologics, phototherapy, surgery) vs Placebo, no treatment, another active intervention, or a different dose of the same intervention

The review found no eligible studies for this question.

• Interventions for erosive lichen planus affecting mucosal sites 2012 · Cochrane All outcomes
  No studies reported this outcome.
  0 studies
  No studies found

All diet and/or exercise interventions vs (Optimised) usual care

All diet and/or exercise interventions leads to lower excessive weight gain compared with standard/other care (high certainty).

• Diet or exercise, or both, for preventing excessive weight gain in pregnancy 2015 · Cochrane Headline outcomes only
  RR 0.8 [0.73, 0.87]
  24 studies · 7096 participants
  High

All diet and/or exercise interventions vs (Optimised) usual care

The review found no eligible studies for this question.

• Diet or exercise, or both, for preventing excessive weight gain in pregnancy 2015 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

All diet and/or exercise interventions vs (Optimised) usual care

All diet and/or exercise interventions probably leads to higher low weight gain compared with standard/other care (moderate certainty).

• Diet or exercise, or both, for preventing excessive weight gain in pregnancy 2015 · Cochrane Headline outcomes only
  RR 1.14 [1.02, 1.27]
  11 studies · 4422 participants
  Moderate

All diet and/or exercise interventions vs (Optimised) usual care

All diet and/or exercise interventions showed no clear difference in preterm birth compared with standard/other care (moderate certainty).

• Diet or exercise, or both, for preventing excessive weight gain in pregnancy 2015 · Cochrane Headline outcomes only
  RR 0.91 [0.68, 1.22]
  16 studies · 5923 participants
  Moderate

All diet and/or exercise interventions vs (Optimised) usual care

All diet and/or exercise interventions showed no clear difference in pre‐eclampsia compared with standard/other care (high certainty).

• Diet or exercise, or both, for preventing excessive weight gain in pregnancy 2015 · Cochrane Headline outcomes only
  RR 0.95 [0.77, 1.16]
  15 studies · 5330 participants
  High

All diet and/or exercise interventions vs (Optimised) usual care

All diet and/or exercise interventions showed no clear difference in caesarean delivery compared with standard/other care (high certainty).

• Diet or exercise, or both, for preventing excessive weight gain in pregnancy 2015 · Cochrane Headline outcomes only
  RR 0.95 [0.88, 1.03]
  28 studies · 7534 participants
  High

All diet and/or exercise interventions vs (Optimised) usual care

All diet and/or exercise interventions showed no clear difference in macrosomia Infant birthweight > 4000 g compared with standard/other care (high certainty).

• Diet or exercise, or both, for preventing excessive weight gain in pregnancy 2015 · Cochrane Headline outcomes only
  RR 0.93 [0.86, 1.02]
  27 studies · 8598 participants
  High

Dietary fibre (all study interventions) vs control

Dietary fibre (all study interventions) showed no clear difference in number of participantswith at least one recurrent adenoma compared with control (low certainty).

• Dietary fibre for the prevention of recurrent colorectal adenomas and carcinomas 2017 · Cochrane Headline outcomes only
  RR 1.04 [0.95, 1.13]
  5 studies · 3641 participants
  Low

Dietary fibre (all study interventions) vs control

Dietary fibre (all study interventions) showed no clear difference in number of participantswith more than one adenoma compared with control (low certainty).

• Dietary fibre for the prevention of recurrent colorectal adenomas and carcinomas 2017 · Cochrane Headline outcomes only
  RR 1.06 [0.94, 1.2]
  2 studies · 2542 participants
  Low

Dietary fibre (all study interventions) vs control

Dietary fibre (all study interventions) showed no clear difference in number of participantswith at least one adenoma 1 cm or greater compared with control (low certainty).

• Dietary fibre for the prevention of recurrent colorectal adenomas and carcinomas 2017 · Cochrane Headline outcomes only
  RR 0.99 [0.82, 1.2]
  4 studies · 3224 participants
  Low

Dietary fibre (all study interventions) vs control

Dietary fibre (all study interventions) may leads to higher number of participantsdiagnosed with colorectal cancer compared with control (low certainty).

• Dietary fibre for the prevention of recurrent colorectal adenomas and carcinomas 2017 · Cochrane Headline outcomes only
  RR 2.7 [1.07, 6.85]
  2 studies · 2794 participants
  Low

Culturally adapted health literacy skills building course vs no/unrelated health literacy intervention

• Interventions for improving health literacy in migrants 2023 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 229 participants
  Low

Adverse event outcomes for dietary combined with physical activity interventions vs control

• Interventions for preventing obesity in children 2019 · Cochrane Headline outcomes only
  no estimate extracted
  20 studies · 24043 participants
  Low

Adverse event outcomes for dietary combined with physical activity interventions vs control

• Interventions for preventing obesity in children 2019 · Cochrane Headline outcomes only
  no estimate extracted
  25 studies · 19498 participants
  Low

Adverse event outcomes for dietary combined with physical activity interventions vs control

• Interventions for preventing obesity in children 2019 · Cochrane Headline outcomes only
  no estimate extracted
  6 studies · 16543 participants
  Low