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International Journal of Adolescent Medicine and Health

Editor-in-Chief: Merrick, Joav

Editorial Board: Birch, Diana ML / Blum, Robert W. / Greydanus, MD, Dr. HC (Athens), Donald E. / Hardoff, Daniel / Kerr, Mike / Levy, Howard B / Morad, Mohammed / Omar, Hatim A. / de Paul, Joaquin / Rydelius, Per-Anders / Shek, Daniel T.L. / Sher, Leo / Silber, Tomas J. / Towns, Susan / Urkin, Jacob / Verhofstadt-Deneve, Leni / Zeltzer, Lonnie / Tenenbaum, Ariel


CiteScore 2018: 0.79

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2191-0278
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The association between nutrition knowledge and adherence to a Mediterranean dietary pattern in Iranian female adolescents

Asal Neshatbini Tehrani
  • Corresponding author
  • Department of Nutrition, Faculty of Nutrition Sciences and Food Technology, Shahid Beheshti University of Medical Sciences, Hafezi St., West Arghavan St., Farahzadi Blvd., Shahrake Qods, Tehran, Iran, Tel.: +989126548287, Fax: +982122360660
  • National Nutrition and Food Technology Research Institute (WHO Collaborating Center), Faculty of Nutrition Sciences and Food Technology, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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  • Other articles by this author:
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/ Hossein Farhadnejad
  • National Nutrition and Food Technology Research Institute (WHO Collaborating Center), Faculty of Nutrition Sciences and Food Technology, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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/ Amin Salehpour
  • Occupational Health Research Center, School of Public Health, Iran University of Medical Sciences, Tehran, Iran
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/ Bita Beyzai
  • National Nutrition and Food Technology Research Institute (WHO Collaborating Center), Faculty of Nutrition Sciences and Food Technology, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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/ Azita Hekmatdoost
  • National Nutrition and Food Technology Research Institute (WHO Collaborating Center), Faculty of Nutrition Sciences and Food Technology, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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/ Bahram Rashidkhani
  • National Nutrition and Food Technology Research Institute (WHO Collaborating Center), Faculty of Nutrition Sciences and Food Technology, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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Published Online: 2019-04-12 | DOI: https://doi.org/10.1515/ijamh-2018-0188

Abstract

Background

Adherence to a Mediterranean dietary pattern (MDP) has been reported to decrease chronic diseases.

Objective

The aim of the present study was to determine the association between nutrition knowledge (NK) and adherence to MDP in Iranian female adolescents.

Subjects

This cross-sectional study was conducted on 297 female adolescents aged 15–18 years.

Methods

The participants were interviewed using a valid and structured questionnaire to collect information on socio-demographic, lifestyle and anthropometric variables. Dietary intakes were assessed using a validated 168-item Food Frequency Questionnaire (FFQ). Adherence to MDP was measured by the Mediterranean-Style Dietary Pattern Score (MSDPS). Each participant’s NK was determined using a 20-item NK questionnaire.

Results

The mean ± standard deviation (SD) age and body mass index (BMI) of participants were 16.1 ± 0.9 years and 22.3 ± 4.6 kg/m2, respectively. The median [interquartile range (IQR)] of the NK score and the MSDPS were 80.0 (68.0–87.0) and 15.2 (11.9–19.5), respectively. The odds ratio (OR) of higher adherence to MDP in the highest tertile of the NK score was 2.19 [95% confidence interval (CI): 1.22–3.95; p for trend = 0.009], compared to the lowest tertile after adjusting for age and energy intake. In a multivariable-adjusted model, after further adjustment for BMI, mother’s/father’s education level, mother’s/father’s employment status, parent’s marital status and physical activity, the subjects in the highest tertile of the NK score had higher adherence to MDP compared with those in the lowest tertile (OR = 2.05; 95% CI, 1.09–3.83; p for trend = 0.013).

Conclusion

Our findings support the hypothesis that a higher NK score is significantly associated with a higher MDP adherence score in Iranian female adolescents.

Keywords: adolescent; Mediterranean diet; MSDPS; nutrition knowledge; socio-demographic status

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About the article

Received: 2018-08-17

Accepted: 2018-10-09

Published Online: 2019-04-12


Funding Source: National Nutrition and Food Technology Research Institute

Award identifier / Grant number: 450109

Conduction of the present study was financially supported by the National Nutrition and Food Technology Research Institute (WHO Collaborating Center) and Shahid Beheshti University of Medical Sciences, Tehran, Iran (Grant number 450109).


Ethical approval: This study was conducted according to the guidelines laid down in the Declaration of Helsinki and all procedures involving human subjects/patients were approved by the Ethics Committee of the National Nutrition and Food Technology Research Institute (WHO Collaborating Center), Shahid Beheshti University of Medical Sciences, Tehran, Iran (ethics number 054577). Written informed consent was obtained from all participants.

Authors’ contributions: A.N.T., H.F. and A.S. contributed in conception and design, H.F. contributed in statistical analyses. A.N.T., B.B. contributed in generation, collection and assembly, A.N.T., H.F. and A.S. contributed in data interpretation and manuscript drafting. A.N.T., H.F. and A.H. contributed in manuscript revision. All authors approved the final version of the manuscript.

Conflict of interest: The authors report no conflict of interest.


Citation Information: International Journal of Adolescent Medicine and Health, 20180188, ISSN (Online) 2191-0278, DOI: https://doi.org/10.1515/ijamh-2018-0188.

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