Cochrane · systematic review · CD015330

Interventions to prevent obesity in children aged 12 to 18 years old

Spiga, F, Tomlinson, E, Davies, AL, et al. · Cochrane Database of Systematic Reviews · 2024 · Cochrane Library

Public HealthAMSTAR 2: not assessed
SoF tableOnly the outcomes this review put in its Summary of Findings table are listed (the Cochrane Handbook caps them at about seven per comparison). Its other analyses are not shown here.
Questions
21
current version
GRADE rated
21
No studies
0
Included studies
NR
No studies 0 · 0%Ungraded 0 · 0%Very low 5 · 23.8%Low 10 · 47.6%Moderate 4 · 19%High 2 · 9.5%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

Questions and results

Dietary interventions compared with control

Population: children aged 12 to 18 years
7 questions
OutcomeEffectEvidenceStatus / GRADE
BMI short term (12 weeks from baseline to < 9 months)
Dietary interventions vs control
no estimate extracted3 studies · 605 participantsVery low
Downgraded: risk of bias, imprecision, inconsistency, indirectness, publication bias
BMI medium term (9 months to < 15 months)
Dietary interventions vs control
no estimate extracted3 studies · 900 participantsVery low
Downgraded: risk of bias, imprecision, inconsistency, indirectness, publication bias
BMI long term (> 15 months)
Dietary interventions vs control
no estimate extracted1 study · 44 participantsLow
Downgraded: risk of bias, imprecision, inconsistency, indirectness, publication bias
zBMI short term (12 weeks from baseline to < 9 months)
Dietary interventions vs control
no estimate extracted5 studies · 3154 participantsLow
Downgraded: risk of bias, imprecision, inconsistency, indirectness, publication bias
zBMI medium term (9 months to < 15 months)
Dietary interventions vs control
no estimate extracted1 study · 112 participantsLow
Downgraded: risk of bias, imprecision, inconsistency, indirectness, publication bias
zBMI long term (> 15 months)
Dietary interventions vs control
no estimate extracted2 studies · 1089 participantsVery low
Downgraded: risk of bias, imprecision, inconsistency, indirectness, publication bias
Serious adverse events
Dietary interventions vs control
no estimate extracted2 studies · 377 participantsLow
Downgraded: risk of bias, imprecision, inconsistency, indirectness, publication bias

Activity interventions compared with control

Population: children aged 12 to 18 years
7 questions
OutcomeEffectEvidenceStatus / GRADE
BMI short term (12 weeks from baseline to < 9 months)
Activity interventions vs control
no estimate extracted6 studies · 1780 participantsLow
Downgraded: risk of bias, imprecision, inconsistency, publication bias
BMI medium term (9 months to < 15 months)
Activity interventions vs control
no estimate extracted3 studies · 2143 participantsLow
Downgraded: risk of bias, imprecision, inconsistency, publication bias
BMI long term (> 15 months)
Activity interventions vs control
no estimate extracted1 study · 985 participantsLow
Downgraded: risk of bias, imprecision, inconsistency, publication bias
zBMI short term (12 weeks from baseline to < 9 months)
Activity interventions vs control
no estimate extracted7 studies · 4718 participantsHigh
zBMI medium term (9 months to < 15 months)
Activity interventions vs control
no estimate extracted6 studies · 5335 participantsModerate
Downgraded: risk of bias, imprecision, inconsistency, publication bias
zBMI long term (> 15 months)
Activity interventions vs control
no estimate extracted1 study · 985 participantsModerate
Downgraded: risk of bias, imprecision, inconsistency, publication bias
Serious adverse events
Activity interventions vs control
no estimate extracted7 studies · 5428 participantsLow
Downgraded: risk of bias, imprecision, inconsistency, publication bias

Dietary and activity interventions compared with control

Population: children aged 12 to 18 years
7 questions
OutcomeEffectEvidenceStatus / GRADE
BMI short term (12 weeks from baseline to < 9 months)
Dietary and activity interventions vs control
no estimate extracted11 studies · 3429 participantsHigh
BMI medium term (9 months to < 15 months)
Dietary and activity interventions vs control
no estimate extracted8 studies · 5612 participantsModerate
Downgraded: risk of bias, imprecision, inconsistency, indirectness, publication bias
BMI long term (> 15 months)
Dietary and activity interventions vs control
no estimate extracted6 studies · 8736 participantsModerate
Downgraded: risk of bias, imprecision, inconsistency, indirectness, publication bias
zBMI short term (12 weeks from baseline to < 9 months)
Dietary and activity interventions vs control
no estimate extracted3 studies · 515 participantsVery low
Downgraded: risk of bias, imprecision, inconsistency, indirectness, publication bias
zBMI medium term (9 months to < 15 months)
Dietary and activity interventions vs control
no estimate extracted6 studies · 3511 participantsLow
Downgraded: risk of bias, imprecision, inconsistency, indirectness, publication bias
zBMI long term (> 15 months)
Dietary and activity interventions vs control
no estimate extracted7 studies · 8430 participantsLow
Downgraded: risk of bias, imprecision, inconsistency, indirectness, publication bias
Serious adverse events
Dietary and activity interventions vs control
no estimate extracted4 studies · 2394 participantsVery low
Downgraded: risk of bias, imprecision, inconsistency, indirectness, publication bias