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Meeting 24-hour movement behavior guidelines is associated with lower levels of adiposity in Portuguese children aged 6-10 years

In a cross-sectional study of 910 Portuguese children aged 6-10 years, meeting more 24-hour movement guidelines (MVPA ≥60 min/day, sleep 9-11 h/night, screen time ≤2 h/day) was associated with lower body mass index z-scores, waist circumference, waist-to-height ratio, and percentage body fat. Children meeting all three guidelines had significantly lower adiposity markers, with significant linear trends across the number of guidelines met (0, 1, 2, 3).

Last updated: Aug 25, 2026•0 RCTs•📖 Read as article →

Evidence Score

Evidence Score34/100
Human RCT☆☆☆☆☆
Meta-analysis☆☆☆☆☆
Mechanism★★★★★
Safety★★★★☆
Confidencelow

Study Evidence

Study 1. Association Between Meeting 24-Hour Movement Behavior Guidelines and Adiposity Among Portuguese Children.

observational

Katzmarzyk PT, Maia J, Garbeloto F, Hedeker D, Barreira TV, Garganta R, Farias C, Tani G, Chaput JP, Pereira S · Pediatric exercise science (2026)

Participants: N/A
Duration: 7 days of accelerometry
Intervention: Meeting 24-hour movement behavior guidelines (MVPA ≥60 min/day, sleep 9-11 h/night, screen time ≤2 h/day)
Outcome: Adiposity markers: body mass index z-score, waist circumference, waist-to-height ratio, percentage body fat
Effect Size: N/A (no effect sizes reported in abstract)
Population: 910 Portuguese children aged 6-10 years from Northern Portugal

Result:

PubMed: 42618031DOI: 10.1123/pes.2025-0016

Mechanism Graph

Meeting MVPA guideline (≥60 min/day) increases energy expenditure and improves metabolic health
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Meeting sleep guideline (9-11 h/night) regulates appetite hormones and reduces sedentary time
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Meeting screen time guideline (≤2 h/day) reduces sedentary behavior and snacking
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Result: Lower adiposity markers in children meeting more guidelines

Limitations

  • ⚠Cross-sectional design cannot establish causality
  • ⚠Screen time was assessed by parental report, which may be subject to recall bias
  • ⚠Sample limited to Portuguese children, limiting generalizability to other populations

Frequently Asked Questions

What are the 24-hour movement guidelines for children?▼

The guidelines are: moderate-to-vigorous physical activity (MVPA) ≥60 minutes per day, sleep 9 to 11 hours per night, and screen time ≤2 hours per day.

How many children met all three guidelines in this study?▼

23% of the sample met all three guidelines, while 5.4% met none.

Which individual guideline was most strongly associated with lower adiposity?▼

Meeting the MVPA guideline was associated with lower percentage body fat, and meeting MVPA and sleep guidelines was associated with lower waist-to-height ratio.

Is this study causal?▼

No, this is a cross-sectional study, so it can only show associations, not cause and effect.

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References

  1. 1.Katzmarzyk PT, Maia J, Garbeloto F, Hedeker D, Barreira TV, Garganta R, Farias C, Tani G, Chaput JP, Pereira S. "Association Between Meeting 24-Hour Movement Behavior Guidelines and Adiposity Among Portuguese Children.." Pediatric exercise science, 2026. PMID: 42618031 DOI: 10.1123/pes.2025-0016
Disclaimer: This content is for educational purposes only and is not medical advice. Evidence scores reflect the quality and quantity of available research, not clinical recommendations. Always consult a healthcare professional before starting any supplement or intervention.