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Ziyab AH, Mohammad A, Almousa Z, Mohammad T. Sex differences in the association between vitamin D and prediabetes in adults: A cross-sectional study. Nutr Diabetes 2024; 14:49. [PMID: 38956028 PMCID: PMC11219834 DOI: 10.1038/s41387-024-00311-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Revised: 06/20/2024] [Accepted: 06/25/2024] [Indexed: 07/04/2024] Open
Abstract
BACKGROUND/OBJECTIVES Vitamin D status has been shown to be associated with prediabetes risk. However, epidemiologic evidence on whether sex modulates the association between vitamin D and prediabetes is limited. The present study investigated sex-specific associations between vitamin D and prediabetes. SUBJECTS/METHODS The Kuwait Wellbeing Study, a population-based cross-sectional study, enrolled nondiabetic adults. Prediabetes was defined as 5.7 ≤ HbA1c% ≤6.4; 25-hydroxyvitamin D (25(OH)D) was measured in venous blood and analyzed as a continuous, dichotomous (deficiency: <50 nmol/L vs. insufficiency/sufficiency ≥50 nmol/L), and categorical (tertiles) variable. Associations were evaluated by estimating adjusted prevalence ratios (aPRs) and 95% confidence intervals (CIs), while stratifying by sex. RESULTS A total of 384 participants (214 males and 170 females) were included in the current analysis, with a median age of 40.5 (interquartile range: 33.0-48.0) years. The prevalence of prediabetes was 35.2%, and 63.0% of participants had vitamin D deficiency. Assessments of statistical interaction between sex and 25(OH)D status were statistically significant (PSex × 25(OH)D Interaction < 0.05). In the sex-stratified analysis, after adjustment for confounding factors, decreased 25(OH)D levels were associated with increased prevalence of prediabetes in males (aPRDeficiency vs. In-/Sufficiency: 2.35, 95% CI: 1.36-4.07), but not in females (aPRDeficiency vs. In-/Sufficiency: 1.03, 95% CI: 0.60-1.77). Moreover, the prevalence of prediabetes differed between males and females at 25(OH)D levels of ≤35 nmol/L, with a higher prevalence of prediabetes in males compared to females. Such a sex-specific difference was not observed at 25(OH)D levels of >35 nmol/L. CONCLUSIONS Sex modified the association between vitamin D levels and prediabetes, with an inverse association observed among males, but not among females. Moreover, the observed sex-disparity in the prevalence of prediabetes was only pronounced at 25(OH)D levels of ≤35 nmol/L.
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Affiliation(s)
- Ali H Ziyab
- Department of Community Medicine and Behavioral Sciences, College of Medicine, Kuwait University, Safat, Kuwait.
| | - Anwar Mohammad
- Dasman Diabetes Institute, Biochemistry and Molecular Biology Department, Kuwait City, Kuwait
| | - Zainab Almousa
- Department of Community Medicine and Behavioral Sciences, College of Medicine, Kuwait University, Safat, Kuwait
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Wang G, Feng S, Xu J, Wei X, Yang G. Association between Vitamin D Deficiency and Prediabetes Phenotypes: A Population-Based Study in Henan, China. Nutrients 2024; 16:1979. [PMID: 38999727 PMCID: PMC11243366 DOI: 10.3390/nu16131979] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2024] [Revised: 06/18/2024] [Accepted: 06/19/2024] [Indexed: 07/14/2024] Open
Abstract
The evidence remains inconsistent regarding whether vitamin D deficiency (VDD) increases the risk of prediabetes. This study aimed to examine whether there is sex-specific association between VDD and impaired fasting glucose (IFG) or impaired glucose tolerance (IGT) in Henan. The data were sourced from the survey of chronic diseases and nutrition in Henan. Multinomial logistic regression models based on complex sampling design and weight were developed to estimate the odds ratio (OR) and confidence interval (95%CI) for measuring the association between VDD and IFG/IGT. The prevalence rate of IGT in men was 20.1% in the VDD group, significantly higher than that in the non-VDD group (10.5%), but no significant difference was observed in women between the VDD and non-VDD groups; there were no significant differences in IFG prevalence between the VDD and non-VDD groups in either men or women. It was found that the association between VDD and IGT was statistically significant in men. The adjusted OR (95%CI) of VDD was 1.99 (1.24-3.19) for IGT in men and 14.84 (4.14-53.20) for IGT in men having a family history of DM. Thus, men with VDD were more likely to live with IGT than those without VDD, especially for men having a family history of diabetes.
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Affiliation(s)
- Guojie Wang
- Public Health School, Henan Medical College, Zhengzhou 451191, China
| | - Shixian Feng
- Institute for Chronic Disease Control, Henan Provincial Center for Disease Control and Prevention, Zhengzhou 450016, China
| | - Jiying Xu
- Anti-TB Institute, Henan Provincial Center for Disease Control and Prevention, Zhengzhou 450016, China
| | - Xiaolin Wei
- Dalla Lana School of Public Health, University of Toronto, Toronto, ON M5S 1A1, Canada
| | - Guojun Yang
- Public Health School, Henan Medical College, Zhengzhou 451191, China
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Li Y, Wang D, Fang J, Zu S, Hu Y. Association between depressive symptoms and prediabetes: NHANES 2007-2016 findings. J Affect Disord 2024; 355:426-431. [PMID: 38537755 DOI: 10.1016/j.jad.2024.03.122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/27/2023] [Revised: 02/04/2024] [Accepted: 03/23/2024] [Indexed: 04/09/2024]
Abstract
INTRODUCTION The association between diabetes and depressive symptoms is well recognized. However, the impact of depressive symptoms on prediabetes remains unclear. This study aims to explore the specific correlation between depressive symptoms and prediabetes. METHODS A total of 7467 participants from the National Health and Nutrition Examination Survey (NHANES) were included in this study, spanning five rounds of surveys conducted between 2007 and 2016. Weighted logistic regression was utilized to assess the relationship between depressive symptoms and prediabetes. RESULTS Compared with the normoglycemic population, individuals with prediabetes had a significantly higher probability of experiencing trouble sleeping (P = 0.020). After adjusting for non-glucose factors, there was no significant correlation between PHQ-9 and prediabetes; however, severe depressive symptoms were positively associated with abnormal fasting plasma glucose (FPG) levels (OR = 1.093 [95 % CI 1.002, 1.192]). There was a positive correlation between trouble concentrating and FPG abnormalities (OR = 1.065 [95 % CI 1.004, 1.129]). LIMITATIONS The cross-sectional design limits causal inference. CONCLUSION Individuals with depressive symptoms, especially severe cases, should be targeted for prediabetes prevention and management efforts. The diverse symptom presentations may have distinct impacts on glucose, necessitating personalized prevention and management strategies.
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Affiliation(s)
- Yuwei Li
- Department of Clinical Psychology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China
| | - Dong Wang
- Department of Clinical Psychology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China
| | - Jiexin Fang
- Department of Clinical Psychology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China
| | - Si Zu
- Department of Clinical Psychology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China
| | - Yongdong Hu
- Department of Clinical Psychology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China.
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Zhao X, Li B, Li X, Ding Y, Zhang Y. Association of serum 25-hydroxyvitamin D levels, vitamin D-binding protein levels, and diabetes mellitus: Two-sample Mendelian randomization. Medicine (Baltimore) 2024; 103:e38219. [PMID: 38758851 PMCID: PMC11098181 DOI: 10.1097/md.0000000000038219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Accepted: 04/22/2024] [Indexed: 05/19/2024] Open
Abstract
Studies have suggested that Vitamin D deficiency is associated with the occurrence of both type 1 and type 2 diabetes, and that vitamin D-binding proteins (VDBP) are necessary for metabolic stress in pancreatic α-cells. However, the causal relationship between serum 25-hydroxyvitamin D [25(OH)D] levels, VDBP, and the risk of diabetes mellitus (DM) remains unclear. Mendelian randomization (MR) was used to investigate the causal relationship between 25(OH)D, VDBP, and DM. Relevant recent data were downloaded from the NHGRI-EBI Catalog of published genome-wide association studies (GWAS) and filtered for single nucleotide polymorphisms (SNPs). We used multiple MR methods, including inverse variance weighting (IVW), and performed sensitivity analyses to detect whether pleiotropy or heterogeneity biased the results. There was a causal relationship between genetically predicted VDBP levels and serum 25(OH)D levels, and serum 25(OH)D levels increased with increasing VDBP levels (IVW: β = 0.111, OR = 1.117, 95% CI:1.076-1.162, P = 1.41 × 10-8). There was no causal relationship between the genetically predicted VDBP levels, serum 25(OH)D levels, and DM (VDBP: IVW β:0.001, OR:1.001, 95% CI:0.998-1.003, P > .05; 25(OH)D: IVW β: -0.009, OR:0.991, 95% CI:0.982-1.001, P = .068). Sensitivity analysis indicated that horizontal pleiotropy was unlikely to bias causality in this study. MR analysis results demonstrated a positive causal relationship between VDBP levels and serum 25(OH)D levels in the European population. The 25(OH)D and VDBP levels were not causally related to an increased risk of diabetes.
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Affiliation(s)
- Xu Zhao
- Emergency and Critical Care Center, Renmin Hospital, Hubei University of Medicine, Shiyan, Hubei, China
| | - Bo Li
- Department of Endocrinology, Quanzhou First Hospital Affiliated to Fujian Medical University, Quanzhou, Fujian, China
- Department of Cardiology, Renmin Hospital, Hubei University of Medicine, Shiyan, Hubei, China
- Hubei Key Laboratory of Embryonic Stem Cell Research, Biomedical Research Institute, Hubei University of Medicine, Shiyan, Hubei, China
| | - Xiao Li
- College of Basic Medicine, Hubei University of Medicine, Shiyan, Hubei, China
| | - Yan Ding
- Hubei Key Laboratory of Embryonic Stem Cell Research, Biomedical Research Institute, Hubei University of Medicine, Shiyan, Hubei, China
| | - Yi Zhang
- Department of Endocrinology, Quanzhou First Hospital Affiliated to Fujian Medical University, Quanzhou, Fujian, China
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Liu L, Xu M, Zhou H, Hao X, Chen X, Liu X. Association of serum 25-hydroxyvitamin D with urinary incontinence in elderly men: evidence based on NHANES 2007-2014. Front Endocrinol (Lausanne) 2023; 14:1215666. [PMID: 37745700 PMCID: PMC10515204 DOI: 10.3389/fendo.2023.1215666] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Accepted: 08/24/2023] [Indexed: 09/26/2023] Open
Abstract
Background The correlation between serum 25-hydroxyvitamin D (25(OH)D) and different sub-types of urinary incontinence in elderly men continues to be uncertain. Hence, we performed this research to evaluate whether serum 25(OH)D levels are correlated with urinary incontinence among elderly men. Methods The present study incorporated the male population aged 50 years and above from four cycles of the NHANES database spanning from 2007 to 2014, for the purpose of analysis. The assessment of urinary incontinence was carried out through a correlation questionnaire, while standardized liquid chromatography-tandem mass spectrometry (LC-MS/MS) was adopted to quantify serum 25(OH)D. A weighted multi-factorial logistic regression analysis was carried out to ascertain and investigate any potential correlation that may exist between serum 25(OH)D and urinary incontinence in senior males. Results Ultimately, a sum of 4663 elderly men were involved in our analysis. The outcomes of the univariable analysis illustrated that the group with vitamin D deficiency exhibited augmented odds of all three urinary incontinence types in comparison to the vitamin D-sufficient group. After accounting for age, race, and BMI, no appreciable variations in the outcomes were noticed. However, after accounting for all covariates, only SUI (OR = 1.677; 95% confidence interval (CI) = 1.074-2.618) and MUI (OR = 1.815; 95% confidence interval (CI) = 1.010-3.260) demonstrated statistical significance. Conclusion Decreased serum 25(OH)D levels were connected with stress urinary incontinence and mixed urinary incontinence in elderly men.
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Affiliation(s)
| | | | | | | | | | - Xiaoqiang Liu
- Department of Urology, Tianjin Medical University General Hospital, Tianjin, China
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McCarthy K, Laird E, O'Halloran AM, Walsh C, Healy M, Fitzpatrick AL, Walsh JB, Hernández B, Fallon P, Molloy AM, Kenny RA. Association between vitamin D deficiency and the risk of prevalent type 2 diabetes and incident prediabetes: A prospective cohort study using data from The Irish Longitudinal Study on Ageing (TILDA). EClinicalMedicine 2022; 53:101654. [PMID: 36147626 PMCID: PMC9486023 DOI: 10.1016/j.eclinm.2022.101654] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Revised: 08/24/2022] [Accepted: 08/30/2022] [Indexed: 11/21/2022] Open
Abstract
BACKGROUND It is hypothesized that vitamin D contributes to the aetiology of type 2 diabetes mellitus (diabetes). This study's objective was to examine the relationships between baseline vitamin D status (as measured by plasma 25-hydroxyvitamin D concentration) and both prevalent diabetes and prospective risk of developing diabetes, including prediabetes, in a population with historically low levels of vitamin D. METHODS In this prospective cohort study, data from The Irish Longitudinal Study on Ageing (TILDA), a nationally representative cohort of adults aged ≥50 years residing in Ireland were analysed, including wave 1 (October 2009-June 2011) (n = 5272) and wave 3 (March 2014-October 2015) (n = 3828). Those aged <50 years at baseline or who did not complete the health assessment were excluded. Logistic regression models examined the associations between baseline vitamin D concentration (nmol/L) with prevalent diabetes status and incident diabetes/prediabetes collected at a 4-year follow-up. Models were adjusted for age, sex, education, body mass index, smoking history, physical activity, use of statins, and the season in which the vitamin D concentration was sampled. FINDINGS Deficient baseline vitamin D concentration was cross-sectionally associated with an increased likelihood of having prevalent diabetes (Relative Risk Ratio [RRR] 1·5, 95% CI: 1·03, 2·18; p = 0·037). In longitudinal analyses evaluating diabetes status 4 years later, there was a 62% increased likelihood (RRR: 1·62, 95% CI: 1·12, 2·35; p = 0·011) of developing prediabetes for those with vitamin D <30 nmol/L compared to those with ≥75 nmol/L. The rate of progression from prediabetes to diabetes between wave 1 and 3 was observed to be 32·5%. INTERPRETATION Those with lower concentrations of vitamin D, as measured by 25-hydroxyvitamin D, may have different risk profiles with regards to their glycaemic status. Our study had limited power due to the low incidence of diabetes but showed strong associations with incident prediabetes, so further research is required. Optimising vitamin D status at a population level may significantly reduce diabetes. FUNDING TILDA is funded by Atlantic Philanthropies, the Irish Department of Health, and Irish Life, while additional funding was provided by the Irish Department of Agriculture, Food and the Marine (13F492) to cover the cost of 25-hydroxyvitamin D analysis.
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Affiliation(s)
- Kevin McCarthy
- The Irish Longitudinal Study on Ageing, Trinity College Dublin, Dublin, Ireland
- School of Medicine, Trinity College Dublin, Dublin, Ireland
- Corresponding author at: The Irish Longitudinal Study on Ageing (TILDA), Mercer's Institute for Successful Ageing, St James's Hospital, Dublin, Ireland.
| | - Eamon Laird
- The Irish Longitudinal Study on Ageing, Trinity College Dublin, Dublin, Ireland
- School of Medicine, Trinity College Dublin, Dublin, Ireland
| | - Aisling M. O'Halloran
- The Irish Longitudinal Study on Ageing, Trinity College Dublin, Dublin, Ireland
- School of Medicine, Trinity College Dublin, Dublin, Ireland
| | - Cathal Walsh
- Department of Mathematics and Statistics, University of Limerick, Limerick, Ireland
| | - Martin Healy
- Biochemistry Department, Laboratory Medicine & Molecular Pathology, St James's Hospital, Dublin, Ireland
| | - Annette L. Fitzpatrick
- Departments of Family Medicine, Epidemiology, and Global Health, Schools of Medicine and Public Health, University of Washington, Seattle, Washington, United States of America
| | - James B. Walsh
- School of Medicine, Trinity College Dublin, Dublin, Ireland
| | - Belinda Hernández
- The Irish Longitudinal Study on Ageing, Trinity College Dublin, Dublin, Ireland
- School of Medicine, Trinity College Dublin, Dublin, Ireland
| | - Padraic Fallon
- School of Medicine, Trinity College Dublin, Dublin, Ireland
| | - Anne M. Molloy
- School of Medicine, Trinity College Dublin, Dublin, Ireland
| | - Rose Anne Kenny
- The Irish Longitudinal Study on Ageing, Trinity College Dublin, Dublin, Ireland
- School of Medicine, Trinity College Dublin, Dublin, Ireland
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Effect of Vitamin D Supplementation on Glycemic Control in Prediabetes: A Meta-Analysis. Nutrients 2021; 13:nu13124464. [PMID: 34960022 PMCID: PMC8707376 DOI: 10.3390/nu13124464] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Revised: 12/08/2021] [Accepted: 12/09/2021] [Indexed: 12/25/2022] Open
Abstract
Clinical research results of vitamin D supplementation in the improvement of prediabetes remain controversial. Accordingly, a literature search was conducted of PubMed, Embase (Ovid), and Web of Science prior to 9 November 2021. Randomized controlled studies reported that the following indicators were included: body mass index (BMI), fasting blood glucose (FBG), 2 h oral glucose tolerance test plasma glucose (2h-PG), hemoglobin A1c (HbA1c), insulin resistance by homeostasis model assessment (HOMA-IR), homeostasis model assessment of β-cell function (HOMA-B), and fasting insulin (FINS). Twenty-nine articles (N = 3792) were included in the present meta-analysis. Intriguingly, vitamin D supplementation resulted in a vast improvement in FBG (standardized mean difference (SMD) = -0.38; 95%CI: -0.59, -0.16), HbA1c (SMD = -0.14; 95%CI: -0.22, -0.06) and FINS (SMD = 0.18; 95%CI: -0.26, -0.09), but not in other outcomes. However, preferred changes were observed in subgroups, as follows: Asia (SMD2h-PG = -0.25, 95%CI: -0.45, -0.04), study duration ≥1 year (SMDHOMA-IR = -0.44, 95%CI: -0.81, -0.06) (SMDHOMA-B = 0.34, 95%CI: 0.01, 0.66), baseline 25(OH)D < 50 nmol/L (SMD2h-PG = -0.23, 95%CI: -0.39, -0.06), and baseline 25(OH)D ≥ 50 nmol/L (SMDHOMA-IR = -0.50, 95%CI: -0.96, -0.03). In conclusion, oral supplementation of vitamin D has shown better effects in improving FBG, HbA1c, and FINS compared with controls among prediabetics; long-term vitamin D supplementation could have additional effects in participants with vitamin D deficiency for 2h-PG, HOMA-IR, and HOMA-B.
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