Traditional Atlantic Diet and Its Effect on Health and the Environment: A Secondary Analysis of the GALIAT Cluster Randomized Clinical Trial

JAMA Netw OpenPublished Secondary analysis of the Galician Atlantic Diet randomised trial

Primary result · Incident MetSResult — go to the resultRate ratio 0.32 95% CI 0.13–0.79

Authors' conclusion

These findings provide important evidence that a family-focused dietary intervention based on a traditional diet can reduce the risk of incident MetS. Further research is needed to understand the underlying mechanisms and determine the generalizability to other populations, taking into account regional cultural and dietary variations.

Study context

Population
Families randomly selected from National Health System records, rural town of A Estrada, northwestern Spain; mean age 46.8 years, 59.8% female250 families
Participants
574 participants
Comparison
Atlantic diet intervention vs habitual lifestyle
  • Interventionn = 287
  • Controln = 287reference
Primary endpoint
Metabolic syndrome (MetS) incidence (NCEP ATP III) and carbon footprint emissions (life cycle assessment, daily dietary intake as functional unit)
Follow-up
6 months
Methodological detailsfamily-based, randomized 1:1, single-centre (primary health care center), 231 families completed the trial, Conducted March 3, 2014, to May 29, 2015
  • Family-based
  • Randomized 1:1
  • Single-centre (primary health care center)
  • 231 families completed the trial
  • Conducted March 3, 2014, to May 29, 2015

Primary result

Incident MetS

Rate ratio

0.32

95% CI 0.13–0.79

Interventionvs Control
rate ratio 0.32 (95% CI 0.13–0.79)

As reported in the abstract

Further findings

OutcomeDifference (kg CO2 equivalents/person/d) (95% CI)
Carbon footprint emissions (main outcome) · 6 months−0.17 (−0.46 to 0.12)
OutcomeProportional OR (95% CI)
Number of MetS components · 6 months0.58 (0.42–0.82)

Original publication

Traditional Atlantic Diet and Its Effect on Health and the Environment: A Secondary Analysis of the GALIAT Cluster Randomized Clinical Trial. JAMA Netw Open. Published 5 February 2024. doi:10.1001/jamanetworkopen.2023.54473

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