Obesity

Planetary Health Diet Adherence Improves Weight and Body Composition During Energy Restriction

Obesity (Silver Spring)Published Secondary analysis of two controlled dietary intervention trials

Primary result · BMIResult — go to the resultDifference −0.94 kg/m² 95% CI −1.62 to −0.31

Authors' conclusion

Greater PHD adherence during energy restriction was associated with greater weight loss and improved body composition.

Study context

Population
Adults with overweight or obesity in two controlled dietary interventions prescribing a 30% energy deficit
Participants
403 adults
Comparison
Higher vs lower Planetary Health Diet (PHD) adherence during energy restriction
Methodological details30% energy deficit, energy-adjusted PHD score based on EAT-Lancet targets, mixed models, logistic regression and mediation analyses
  • 30% energy deficit
  • Energy-adjusted PHD score based on EAT-Lancet targets
  • Mixed models, logistic regression and mediation analyses

Primary result

BMI

Difference

−0.94 kg/m²

95% CI −1.62 to −0.31

P = 0.005

Highest-adherence quartilevs Lowest-adherence quartile
difference −0.94 kg/m² (95% CI −1.62 to −0.31); P = 0.005

As reported in the abstract

Further findings

Excellent weight loss (≥ 10% body weight reduction), per 10-point increase in adherence

OR per 10-point increase in PHD adherence
1.49 (95% CI 1.03-2.16)

Mediation

Red and processed meat reduction and higher whole-grain intake mediated associations

Original publication

Planetary Health Diet Adherence Improves Weight and Body Composition During Energy Restriction. Obesity (Silver Spring). Published 20 May 2026. doi:10.1002/oby.70215

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