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Dietary caffeine intake is associated with favorable metabolic profile among apparently healthy overweight and obese individuals
Abstract<sec> <title>Background

Recent studies have revealed some conflicting results about the health effects of caffeine. These studies are inconsistent in terms of design and population and source of consumed caffeine. In the current study, we aimed to evaluate the possible health effects of dietary caffeine intake among overweight and obese individuals.

Methods

In this cross-sectional study, 488 apparently healthy individuals with overweight and obesity were participated. Dietary intake was assessed by a Food Frequency Questionnaire (FFQ) and the amount of dietary caffeine was calculated. Body composition was determined by bioelectrical impedance analysis (BIA). Enzymatic methods were used to evaluate serum lipid, glucose, and insulin concentrations.

Results

Those at the highest tertile of dietary caffeine intake had lower percentage of fat mass, higher fat free mass and appetite score (P < 0.05). Also, lower total cholesterol (TC) and low density lipoprotein cholesterol (LDL-c) was observed in higher tertiles of dietary caffeine intake compared with lower tertiles. In multinomial adjusted models, those at the second tertile of dietary caffeine intake were more likely to have higher serum insulin (P = 0.04) and lower homeostatic model assessment of insulin resistance (HOMA-IR) values compared with first tertile (P = 0.03) in crude model. While, in the age, body mass index (BMI), sex, physical activity, socio-economic status (SES) and energy intake –adjusted model (Model III), those at the third tertile of dietary caffeine intake were more likely to have low serum LDL concentrations [odds ratio (OR) = 0.957; CI = 0.918–0.997; P = 0.04]. With further adjustment to dietary vegetable, fiber and grain intake, those at the third tertile of dietary caffeine intake were more likely to have low systolic blood pressure (SBP), LDL and high HDL levels compared with those at the first tertile (P < 0.05).

Conclusion

High intakes of dietary caffeine was associated with lower LDL, SBP, insulin resistance and higher HDL concentrations among overweight and obese individuals. However, due to observational design of the study, causal inference is impossible and further studies are warranted to confirm our findings.

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Wed Dec 13 2023
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Iraqi National Journal Of Nursing Specialties
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Publication Date
Thu Mar 01 2012
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Journal Of Economics And Administrative Sciences
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Publication Date
Sun Apr 03 2016
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Fine Needle Aspiration Cytology of Lung Masses, benefits, precautions and complications.

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Publication Date
Fri Dec 01 2023
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Iraqi Journal Of Physics
Characterization and Photovoltaic Effect of (Sb2O3: Metal Oxides)/ C-Si Heterojunctions

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Publication Date
Fri Dec 01 2023
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Political Sciences Journal
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Sat May 16 2009
Journal Name
Journal Of Planner And Development
Information technology and replacement system in decision-making in the city

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Publication Date
Sat Mar 30 2013
Journal Name
College Of Islamic Sciences
The comparative approach (stabilizer) and the need for Arabic to it

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Publication Date
Mon Dec 06 2021
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Detection of Snow Cover us ing NDSI and False Color Methods

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Publication Date
Sun Jan 24 2016
Journal Name
Al-academy
Poetics transformation and structure in the film: علاءالدين عبد المجيد جاسم

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