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. 2024 Dec;202(12):5386-5394.
doi: 10.1007/s12011-024-04112-9. Epub 2024 Feb 23.

Coffee Consumption in Association with Serum Iron Levels: A Cross-sectional Study

Abdullah I Aedh  1   2
Affiliations

Coffee Consumption in Association with Serum Iron Levels: A Cross-sectional Study

Abdullah I Aedh. Biol Trace Elem Res. 2024 Dec.

Abstract

This study determines the association between adult Saudi Arabian coffee consumption and serum iron levels. The extensive Saudi Arabian population, including both sexes - male and female, participated in this cross-sectional community-based study from 1 October 2020 to 31 June 2022. The participants were selected arbitrarily using the systematic simple random position. The current study enrolled 113 participants with a mean age of 33 years, including 94 (83.2%) females and 19 (16.8%) males. The concentration of iron absorption assessed among 62 individuals who participated in the group of occasional coffee drinkers was higher (54.9%) than the 51 individuals who participated in the group of regular coffee drinkers (45.1%). In daily coffee consumption, paired samples statistics in mean baseline WBC level (103/μl) was 6.396. On day 31 of June 2022, WBC level (103/μl) was 6.114. Paired samples statistics in mean baseline iron level was 44.29. On day 31 of June 2022, iron level was 72.15. The paired samples correlation in baseline and day 31 iron levels was 0.719, with a significant difference of 0.000. It is critical to acquire the most recent information and local statistics on the frequency of low serum iron levels in Saudi Arabia's diverse adult population. The adult population of Saudi Arabia correlates with coffee consumption and changes in serum ferritin or iron levels and WBC counts. Neither the WBC numbers nor the iron levels were significantly altered. Further research is needed to determine the potential mechanisms causing these relationships.

Keywords: Caffeine; Enzyme-linked immune-absorbent test; Ferritin; Iron deficiency anaemia; Tannins.

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