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Abstract

Association between Dietary Choline and the Incidence of Type 2 Diabetes: Results from a Large Swedish Cohort †

by
Therese Karlsson
1,2,*,
Áine Ryan
2,
Bathsheba Tobin
2,
Ingegerd Johansson
3 and
Anna Winkvist
2,4
1
Department of Life Sciences, Division of Food and Nutrition Science, Chalmers University of Technology, 412 96 Gothenburg, Sweden
2
Department of Internal Medicine and Clinical Nutrition, Institute of Medicine, University of Gothenburg, 405 30 Gothenburg, Sweden
3
Department of Odontology, Umeå University, 901 87 Umea, Sweden
4
Department of Public Health and Clinical Medicine, Sustainable Health, Umeå University, 901 87 Umea, Sweden
*
Author to whom correspondence should be addressed.
†
Presented at the 14th European Nutrition Conference FENS 2023, Belgrade, Serbia, 14–17 November 2023.
Proceedings 2023, 91(1), 307; https://doi.org/10.3390/proceedings2023091307
Published: 8 February 2024
(This article belongs to the Proceedings of The 14th European Nutrition Conference FENS 2023)
Versions Notes

Abstract

:
Background and Objectives: Type 2 diabetes (T2D) has become a major global issue in the past several decades with a rapidly increasing incidence largely attributable to sedentary lifestyles and westernized diets. Previous research has shown conflicting evidence between dietary choline and the risk of T2D. The present study aimed to investigate associations between dietary choline and its individual forms with the development of T2D. Methods: In total, 41,802 females and 37,952 males attending the Västerbotten Intervention Programme (VIP) between 1990 and 2016 were included. The intake of total choline and its individual forms phosphatidylcholine, glycerophosphocholine, phosphocholine, sphingomyelin and free choline were estimated from a food frequency questionnaire. The associations between dietary choline and T2D were estimated using the Cox proportional hazards regressions to determine hazard ratios (HR) and 95% confidence intervals (CI) for T2D according to total choline, phosphatidylcholine, glycerophosphocholine, phosphocholine, sphingomyelin and free choline intake (quartiles). Models were adjusted for reported energy intake, age, body mass index, education and smoking status. All analyses were performed in females and males separately. Results: During a median follow-up of 16 years, 1195 (2.9%) and 1664 (4.4%) incident T2D cases were registered in females and males, respectively. A higher total choline intake was associated with an increased risk of T2D in both females (HR Q4 vs. Q1: 1.44; 95% CI: 1.11, 1.85; P-trend 0.03) and males (HR Q4 vs. Q1: 1.53; 95% CI: 1.24, 1.90; P-trend < 0.01). Choline intake from phosphatidylcholine and sphingomyelin were positively significantly associated with the risk of T2D in both females and males. No associations were found between choline intake from free choline, phosphocholine or glycerophosphocholine and incidence T2D. Discussion: This study demonstrates an association between the higher intake of total choline and an increased risk of T2DM in females and males in Sweden. The positive association seems to be driven mainly by the intake of choline from phosphatidylcholine and sphingomyelin. This highlights the role of dietary choline intake in relation to T2D and the importance of exploring the impact of the different forms of dietary choline.

Author Contributions

Conceptualization, T.K. and A.W.; formal analysis, T.K., Á.R. and B.T.; resources, I.J.; writing—original draft preparation, Á.R. and T.K.; writing—review and editing, T.K., Á.R., B.T., I.J. and A.W. All authors have read and agreed to the published version of the manuscript.

Funding

This research was funded by the Wilhelm and Martina Lundgren Research foundation. The Northern Sweden Diet Database was supported by the Swedish Research Council for Health, Working Life and Welfare and the Swedish Research Council.

Institutional Review Board Statement

The study was conducted in accordance with the Declaration of Helsinki. The VIP study was approved by the Regional Ethical review Board of Northern Sweden (Dnr 07—165M) and the current study by the Swedish Ethical Review Authority (2019-06216).

Informed Consent Statement

Informed consent was obtained from all subjects involved in the study.

Data Availability Statement

Data cannot be made freely available as they are subject to secrecy in accordance with the Swedish Public Access to Information and Secrecy Act [Offentlighets- och sekretesslagen, OSL, 2009:400], but can be made available to researchers upon request (subject to a review of secrecy). Requests for data should be made to Anna Winkvist, [email protected].

Conflicts of Interest

The authors declare no conflict of interest.
Disclaimer/Publisher’s Note: The statements, opinions and data contained in all publications are solely those of the individual author(s) and contributor(s) and not of MDPI and/or the editor(s). MDPI and/or the editor(s) disclaim responsibility for any injury to people or property resulting from any ideas, methods, instructions or products referred to in the content.

Share and Cite

MDPI and ACS Style

Karlsson, T.; Ryan, Á.; Tobin, B.; Johansson, I.; Winkvist, A. Association between Dietary Choline and the Incidence of Type 2 Diabetes: Results from a Large Swedish Cohort. Proceedings 2023, 91, 307. https://doi.org/10.3390/proceedings2023091307

AMA Style

Karlsson T, Ryan Á, Tobin B, Johansson I, Winkvist A. Association between Dietary Choline and the Incidence of Type 2 Diabetes: Results from a Large Swedish Cohort. Proceedings. 2023; 91(1):307. https://doi.org/10.3390/proceedings2023091307

Chicago/Turabian Style

Karlsson, Therese, Áine Ryan, Bathsheba Tobin, Ingegerd Johansson, and Anna Winkvist. 2023. "Association between Dietary Choline and the Incidence of Type 2 Diabetes: Results from a Large Swedish Cohort" Proceedings 91, no. 1: 307. https://doi.org/10.3390/proceedings2023091307

APA Style

Karlsson, T., Ryan, Á., Tobin, B., Johansson, I., & Winkvist, A. (2023). Association between Dietary Choline and the Incidence of Type 2 Diabetes: Results from a Large Swedish Cohort. Proceedings, 91(1), 307. https://doi.org/10.3390/proceedings2023091307

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