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A comparison of diet quality indices in a nationally representative cross-sectional study of Iranian households

Ebrahimi, Sara, McNaughton, Sarah A, Leech, Rebecca M, Abdollahi, Morteza, Houshiarrad, Anahita and Livingstone, Katherine 2020, A comparison of diet quality indices in a nationally representative cross-sectional study of Iranian households, Nutrition Journal, vol. 19, no. 1, pp. 1-11, doi: 10.1186/s12937-020-00646-5.

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Title A comparison of diet quality indices in a nationally representative cross-sectional study of Iranian households
Author(s) Ebrahimi, Sara
McNaughton, Sarah AORCID iD for McNaughton, Sarah A orcid.org/0000-0001-5936-9820
Leech, Rebecca MORCID iD for Leech, Rebecca M orcid.org/0000-0002-5333-0164
Abdollahi, Morteza
Houshiarrad, Anahita
Livingstone, Katherine
Journal name Nutrition Journal
Volume number 19
Issue number 1
Article ID 132
Start page 1
End page 11
Total pages 11
Publisher BMC
Place of publication London, Eng.
Publication date 2020-12-05
ISSN 1475-2891
Keyword(s) Dietary patterns
Diet quality
Household
Nutrient adequacy
Sociodemographics
Iran
Healthy eating index
Diet quality index-international
Science & Technology
Life Sciences & Biomedicine
Nutrition & Dietetics
EXPENDITURES SURVEYS HCES
INTERNATIONAL DQI-I
SOCIOECONOMIC DIFFERENCES
TEHRANIAN ADULTS
FOOD
CONSUMPTION
PATTERNS
ASSOCIATION
TRANSITION
Summary Background: Iranian diet quality has been evaluated using indices that have not been created based on Iranian dietary guidelines. This study aimed to examine the applicability of two diet quality indices by examining their associations with nutrient adequacy, nutrient intakes and sociodemographics. Methods: Dietary data were collected using three 24-h dietary recalls from Iranian households. Nutrient adequacy was assessed using World Health Organization/Food and Agriculture Organization 2002 (WHO/FAO) cut points. Household diet quality was calculated using the Healthy Eating Index (HEI) and Diet Quality Index-International (DQI-I). Sociodemographics of the household members were assessed. Regression analyses were used to examine associations between diet quality and nutrient adequacy, and between sociodemographics and diet quality. Results: A total of 6935 households were included in the analysis. Higher household diet quality was associated with adequate intake of calcium (HEI: OR 1.11, 95% CI: 1.10, 1.13; DQI-I: OR 1.14, 95% CI: 1.13, 1.16), vitamin C (HEI: OR 1.19, 95% CI: 1.17, 1.20; DQI-I: OR 1.12, 95% CI: 1.11, 1.12) and protein (HEI: OR 1.01, 95% CI: 1.00, 1.02; DQI-I: OR 1.09, 95% CI: 1.08, 1.09). Higher household diet quality was associated with household heads who were older (> 56 years old) (HEI: β 2.06, 95% CI: 1.63, 2.50; DQI-I β 2.90, 95% CI: 2.34, 3.45), higher educated (college/university completed) (HEI: β 4.54, 95% CI: 4.02, 5.06; DQI-I: β 2.11, 95% CI: 1.45, 2.77) and living in urban areas (HEI: β 2.85, 95% CI: 2.54, 3.16; DQI-I: β 0.72, 95% CI: 0.32, 1.12). Conclusions: Based on associations with nutrient adequacy and sociodemographics, the applicability of two diet quality indices for assessing the diet quality of Iranian households was demonstrated. Results also indicated DQI-I may be more applicable than HEI for evaluating Iranian nutrient adequacy. Findings have implications for the design and assessment of diet quality in Iranian populations. Future research should examine the link between these diet quality indices and health outcomes.
Language eng
DOI 10.1186/s12937-020-00646-5
Indigenous content off
Field of Research 1111 Nutrition and Dietetics
HERDC Research category C1 Refereed article in a scholarly journal
Grant ID NHMRC 1173803
NHMRC 1175250
Copyright notice ©2020, The Author(s)
Free to Read? Yes
Use Rights Creative Commons Attribution licence
Persistent URL http://hdl.handle.net/10536/DRO/DU:30146292

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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.