Repeated cross-sectional and longitudinal study of dietary mineral intake status in Iranian adults: Tehran lipid and glucose study
Abstract Background Mineral deficiencies are significant public health concerns worldwide, contributing to the development and progression of non-communicable diseases (NCDs). We evaluated longitudinal adequacy of mineral intakes among Iranian adults. Methods Adult (aged ≥ 18) participants were incl...
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BMC
2025-05-01
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| Series: | Journal of Health, Population and Nutrition |
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| Online Access: | https://doi.org/10.1186/s41043-025-00868-5 |
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| author | Hadi Pourmirzaei Olyaei Zahra Bahadoran Parvin Mirmiran Fereidoun Azizi |
| author_facet | Hadi Pourmirzaei Olyaei Zahra Bahadoran Parvin Mirmiran Fereidoun Azizi |
| author_sort | Hadi Pourmirzaei Olyaei |
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| description | Abstract Background Mineral deficiencies are significant public health concerns worldwide, contributing to the development and progression of non-communicable diseases (NCDs). We evaluated longitudinal adequacy of mineral intakes among Iranian adults. Methods Adult (aged ≥ 18) participants were included in the repeated cross-sectional analysis from 2006–2008 to 2018–2022. Dietary intake was assessed using a validated Food Frequency Questionnaire (FFQ). Adequacy of minerals intake, including calcium, iron, magnesium, zinc, copper, manganese, selenium, and chromium, were evaluated against the European Society for Clinical Nutrition and Metabolism (ESPEN) guidelines. Longitudinal trends of mineral intakes were evaluated using repeated measures analysis of variance in a cohort of 4384 participants (42% men; mean age 40.8 ± 12.8 years). Results Calcium inadequacy increased markedly from 39.6% in 2006–2008 to 68.6% in 2018–2022, with higher rates among women (74.1%) and older adults (75.0%). Iron inadequacy, mainly affecting women, increased from 14.5 to 39.1% over the same period. Although magnesium inadequacy remained high overall, it reached 34.2% in 2018–2022. In contrast, manganese intake was rarely inadequate. Zinc, copper, selenium, and chromium inadequacies showed fluctuations, but mean levels were generally closer to recommended values despite notable gender disparities. Conclusions The study indicates significant and worsening mineral intake inadequacies among Iranian adults, particularly for calcium and iron. Further long-term studies are needed to guide interventions, such as dietary education, food fortification, and policy measures aimed at improving micronutrient intake across diverse age and gender groups. |
| format | Article |
| id | doaj-art-a76f9b08424b4e25822f6a6ff80ca92c |
| institution | OA Journals |
| issn | 2072-1315 |
| language | English |
| publishDate | 2025-05-01 |
| publisher | BMC |
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| series | Journal of Health, Population and Nutrition |
| spelling | doaj-art-a76f9b08424b4e25822f6a6ff80ca92c2025-08-20T02:15:11ZengBMCJournal of Health, Population and Nutrition2072-13152025-05-0144111210.1186/s41043-025-00868-5Repeated cross-sectional and longitudinal study of dietary mineral intake status in Iranian adults: Tehran lipid and glucose studyHadi Pourmirzaei Olyaei0Zahra Bahadoran1Parvin Mirmiran2Fereidoun Azizi3Nutrition and Endocrine Research Center, Research Institute for Endocrine Disorders, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical SciencesMicronutrient Research Center, Research Institute for Endocrine Disorders, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical SciencesNutrition and Endocrine Research Center, Research Institute for Endocrine Disorders, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical SciencesEndocrine Research Center, Research Institute for Endocrine Disorders, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical SciencesAbstract Background Mineral deficiencies are significant public health concerns worldwide, contributing to the development and progression of non-communicable diseases (NCDs). We evaluated longitudinal adequacy of mineral intakes among Iranian adults. Methods Adult (aged ≥ 18) participants were included in the repeated cross-sectional analysis from 2006–2008 to 2018–2022. Dietary intake was assessed using a validated Food Frequency Questionnaire (FFQ). Adequacy of minerals intake, including calcium, iron, magnesium, zinc, copper, manganese, selenium, and chromium, were evaluated against the European Society for Clinical Nutrition and Metabolism (ESPEN) guidelines. Longitudinal trends of mineral intakes were evaluated using repeated measures analysis of variance in a cohort of 4384 participants (42% men; mean age 40.8 ± 12.8 years). Results Calcium inadequacy increased markedly from 39.6% in 2006–2008 to 68.6% in 2018–2022, with higher rates among women (74.1%) and older adults (75.0%). Iron inadequacy, mainly affecting women, increased from 14.5 to 39.1% over the same period. Although magnesium inadequacy remained high overall, it reached 34.2% in 2018–2022. In contrast, manganese intake was rarely inadequate. Zinc, copper, selenium, and chromium inadequacies showed fluctuations, but mean levels were generally closer to recommended values despite notable gender disparities. Conclusions The study indicates significant and worsening mineral intake inadequacies among Iranian adults, particularly for calcium and iron. Further long-term studies are needed to guide interventions, such as dietary education, food fortification, and policy measures aimed at improving micronutrient intake across diverse age and gender groups.https://doi.org/10.1186/s41043-025-00868-5Mineral intakeCalciumIronMagnesiumNon-communicable diseases |
| spellingShingle | Hadi Pourmirzaei Olyaei Zahra Bahadoran Parvin Mirmiran Fereidoun Azizi Repeated cross-sectional and longitudinal study of dietary mineral intake status in Iranian adults: Tehran lipid and glucose study Journal of Health, Population and Nutrition Mineral intake Calcium Iron Magnesium Non-communicable diseases |
| title | Repeated cross-sectional and longitudinal study of dietary mineral intake status in Iranian adults: Tehran lipid and glucose study |
| title_full | Repeated cross-sectional and longitudinal study of dietary mineral intake status in Iranian adults: Tehran lipid and glucose study |
| title_fullStr | Repeated cross-sectional and longitudinal study of dietary mineral intake status in Iranian adults: Tehran lipid and glucose study |
| title_full_unstemmed | Repeated cross-sectional and longitudinal study of dietary mineral intake status in Iranian adults: Tehran lipid and glucose study |
| title_short | Repeated cross-sectional and longitudinal study of dietary mineral intake status in Iranian adults: Tehran lipid and glucose study |
| title_sort | repeated cross sectional and longitudinal study of dietary mineral intake status in iranian adults tehran lipid and glucose study |
| topic | Mineral intake Calcium Iron Magnesium Non-communicable diseases |
| url | https://doi.org/10.1186/s41043-025-00868-5 |
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