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May 9, 2026Scientific ReportsOpen Access

Association of dietary phytochemical index (DPI) and risk of overweight and obesity in school-aged girls in Southeast Iran

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Authors

NJNooshin JannatiMMMohammad Reza MahmoodiLALeila Azadbakht

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Overview

Randomized trial examines the link between dietary phytochemical index and overweight risk in school-aged girls, suggesting dietary implications.

Key Points

  • This study investigates the relationship between dietary phytochemical index and the risk of overweight and obesity in primary school girls.
  • Analyzed 330 primary school girls aged 6 to 12 from Kerman City, Iran.
  • Calculated dietary phytochemical index using McCarty method and assessed BMI-for-age Z-Score (BAZ).
  • Used questionnaires to evaluate sociodemographic status and physical activity.
  • Participants in the highest tertile of DPI had significantly higher energy intake (p=0.003) and phytochemical food groups (p<0.001).
  • Higher DPI correlates with increased BAZ (0.47 ± 0.12 vs. 0.01 ± 0.12; p=0.023).
  • A direct association between DPI and overweight was noted (OR 2.05; CI 1.02-4.15, p=0.037).

Cite This Study

Jannati et al. (2026) studied this question.

synapsesocial.com/papers/69fecf16b9154b0b82876382https://doi.org/10.1038/s41598-026-43635-0
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