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Velazquez-Kronen R, MacDonald LA, Millen AE. Sex and race disparities in the association between work characteristics and vitamin D deficiency: findings from the National Health and Nutrition Examination Survey, 2005-2010. Occup Environ Med 2024; 81:339-348. [PMID: 38955482 PMCID: PMC11418022 DOI: 10.1136/oemed-2024-109473] [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: 02/13/2024] [Accepted: 05/23/2024] [Indexed: 07/04/2024]
Abstract
OBJECTIVES Vitamin D deficiency is highly prevalent worldwide; however, few large population-based studies have examined occupational risk factors. We examined associations between shift work, work schedule, hours worked, outdoor work, occupation and serum 25-hydroxyvitamin D (25(OH)D) levels in the US working population. METHODS This cross-sectional study included 8601 workers from the 2005-2010 National Health and Nutrition Examination Survey (NHANES) cycles. NHANES occupational data were supplemented with measures of outdoor work from the Occupational Information Network. Serum 25(OH)D concentration in nanomoles per litre (nmol/L) was categorised as sufficient (≥75), insufficient (50-<75), moderately deficient (30-<50) and severely deficient (<30). Age-adjusted weighted multinomial and binary logistic regression were used to examine associations between work-related factors and vitamin D status with sex-race/ethnicity stratification. RESULTS Shift workers had higher odds of severe vitamin D deficiency compared with day workers (OR: 1.64, 95% CI 1.22 to 2.19). Compared with those in white-collar occupations, those in natural resources were less likely to be deficient (OR: 0.31, 95% CI 0.19 to 0.52), while those in production were more likely to be deficient (OR: 2.25, 95% CI 1.48 to 3.43). Women working ≥40 hours/week compared with <40 hours/week were more likely to be moderately deficient (OR: 1.30, 95% CI 1.06 to 1.59). Black women working in sales were more likely to be deficient than those in management (OR: 1.53, 95% CI 1.03 to 2.27). Mexican American men working nights had the highest odds of deficiency (OR: 2.64, 95% CI 1.38 to 5.06). CONCLUSIONS Work-related factors were associated with vitamin D status and there were race/ethnicity and sex differences. Targeted vitamin D screening and supplementation interventions may reduce these disparities.
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Affiliation(s)
- Raquel Velazquez-Kronen
- Field Research Branch, Division of Field Studies and Engineering, National Institute for Occupational Safety and Health, Cincinnati, Ohio, USA
| | - Leslie A MacDonald
- Field Research Branch, Division of Field Studies and Engineering, National Institute for Occupational Safety and Health, Cincinnati, Ohio, USA
| | - Amy E Millen
- Department of Epidemiology and Environmental Health, School of Public Health and Health Professions, University at Buffalo, The State University of New York, Buffalo, New York, USA
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Taskapan H, Mahdavi S, Bellasi A, Martin S, Kuvadia S, Patel A, Taskapan B, Tam P, Sikaneta T. Ethnic and seasonal variations in FGF-23 and markers of chronic kidney disease-mineral and bone disorder. Clin Kidney J 2024; 17:sfae188. [PMID: 39070948 PMCID: PMC11273220 DOI: 10.1093/ckj/sfae188] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2024] [Indexed: 07/30/2024] Open
Abstract
Background Fibroblast growth factor 23 (FGF-23) and other markers of chronic kidney disease-mineral and bone disorder (CKD-MBD) provide valuable insights into disease processes, treatment options and patient prognosis. However, limited research has explored potential associations with ethnicity or season, particularly in multi-ethnic populations residing in high-latitude regions. Methods We evaluated CKD-BMD markers in a diverse cohort of CKD patients, who were participants of The CANADIAN AIM to PREVENT (the CAN AIM to PREVENT) study. FGF-23, calcium, phosphate, 25-hydroxyvitamin D (25-OHD) and intact parathyroid hormone (iPTH) in 1234 participants with pre-dialysis CKD (mean estimated glomerular filtration rate: 41.8 ± 14.3 mL/min) were analyzed. Mixed-effects general linear regression models adjusted for demographic and biological factors were used to compare repeated measurements across patient groups categorized by ethnicity (East Asian, White, South Asian, Black, Southeast Asian) and seasons. Results Compared with other groups, White participants exhibited 8.0%-18.5% higher FGF-23 levels, Black participants had 0.17-0.32 mg/dL higher calcium levels, White participants had 10.0%-20.1% higher 25-OHD levels, South Asian participants had 7.3%-20.1% lower 25-OHD levels and Black participants had 22.1-73.8% higher iPTH levels, while East Asian participants had 10.7%-73.8% lower iPTH levels. Seasonal variations were also observed. FGF-23 levels were 11.9%-15.5% higher in summer compared with other seasons, while calcium levels were 0.03-0.06 mg/dL lower in summer. 25-OHD levels were 5.6%-10.6% higher in summer and autumn compared with other seasons. Conclusions This study shows that FGF-23 and CKD-MBD markers in a Canadian pre-dialysis CKD cohort vary independently by ethnicity and season. Further research is needed to understand the reasons and clinical significance of these findings.
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Affiliation(s)
- Hulya Taskapan
- Research Department, Kidney Life Sciences Institute, Toronto, Canada
| | - Sara Mahdavi
- Harvard T.H. Chan School of Public Health, Boston, USA
- Department of Medicine, University of Canada, Toronto, Canada
- Department of Nephrology, The Scarborough Health Network, Toronto, Canada
| | - Antonio Bellasi
- Department of Nephrology, Ente Ospedaliere Cantonale, Lugano, Switzerland
| | - Salome Martin
- Department of Nephrology, The Scarborough Health Network, Toronto, Canada
| | - Saeeda Kuvadia
- Department of Nephrology, The Scarborough Health Network, Toronto, Canada
| | - Anfal Patel
- Department of Medicine, University of Canada, Toronto, Canada
- Department of Nephrology, The Scarborough Health Network, Toronto, Canada
| | - Berkay Taskapan
- Research Department, Kidney Life Sciences Institute, Toronto, Canada
| | - Paul Tam
- Research Department, Kidney Life Sciences Institute, Toronto, Canada
- Department of Medicine, University of Canada, Toronto, Canada
| | - Tabo Sikaneta
- Research Department, Kidney Life Sciences Institute, Toronto, Canada
- Department of Medicine, University of Canada, Toronto, Canada
- Department of Nephrology, The Scarborough Health Network, Toronto, Canada
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Starck C, Cassettari T, Wright J, Petocz P, Beckett E, Fayet-Moore F. Mushrooms: a food-based solution to vitamin D deficiency to include in dietary guidelines. Front Nutr 2024; 11:1384273. [PMID: 38660061 PMCID: PMC11039838 DOI: 10.3389/fnut.2024.1384273] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2024] [Accepted: 03/29/2024] [Indexed: 04/26/2024] Open
Abstract
Vitamin D deficiency and insufficiency is a public health issue, with low dietary vitamin D intakes a contributing factor. Rates of vitamin D deficiency are 31% in Australia, and up to 72% in some regions globally. While supplementation is often prescribed as an alternative to additional sun exposure, complementary approaches including food-based solutions are needed. Yet, food-centric dietary guidelines are not always adequate for meeting vitamin D needs. Edible mushrooms such as Agaricus bisporus can produce over 100% of vitamin D recommendations (10 μg/day, Institute of Medicine) per 75 g serve (18 μg) on exposure to UV-light, with the vitamin D2 produced showing good stability during cooking and processing. However, mushrooms are overlooked as a vitamin D source in dietary guidelines. Our dietary modelling shows that four serves/week of UV-exposed button mushrooms can support most Australian adults in meeting vitamin D recommendations, and UV-exposed mushrooms have been found to increase vitamin D status in deficient individuals. While recent evidence suggests some differences between vitamin D2 and vitamin D3 in physiological activities, vitamin D2 from mushrooms can be part of a larger solution to increasing dietary vitamin D intakes, as well as an important focus for public health policy. Mushrooms exposed to UV represent an important tool in the strategic toolkit for addressing vitamin D deficiency in Australia and globally. Health authorities lead the recognition and promotion of mushrooms as a natural, vegan, safe, and sustainable vitamin D food source.
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Affiliation(s)
| | | | | | | | - Emma Beckett
- FOODiQ Global, Sydney, NSW, Australia
- School of Health Sciences, The University of New South Wales, Kensington, NSW, Australia
| | - Flavia Fayet-Moore
- FOODiQ Global, Sydney, NSW, Australia
- School of Environmental and Life Sciences, The University of Newcastle, Callaghan, NSW, Australia
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Dora IE, Khalil RE, Adler RA, Gorgey AS. Basal Metabolic Rate Versus Dietary Vitamin D and Calcium Intakes and the Association With Body Composition and Bone Health After Chronic Spinal Cord Injury. INQUIRY : A JOURNAL OF MEDICAL CARE ORGANIZATION, PROVISION AND FINANCING 2024; 61:469580241278018. [PMID: 39264099 PMCID: PMC11406582 DOI: 10.1177/00469580241278018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/13/2024]
Abstract
We examined the association among basal metabolic rate (BMR) as well as dietary intakes of vitamin D (Vit D) and calcium on body composition and bone mineral density (BMD) after spinal cord injury (SCI). Cross-sectional design. Veterans Affairs Medical Center, Richmond, VA. About 33 individuals with chronic SCI who recorded their food consumption 3 days per week for 2 weeks. BMR was measured after 10 to 12 h of overnight fast. Average daily vit D and calcium intakes, and total caloric intake were recorded and analyzed using the Nutrition Data System for Research (NDSR) software. Fasting blood analysis for 25-hydroxyvitamin D (25[OH]D) status and Triiodothyronine (T3) status was performed (n = 10). Total and regional BMD, % fat mass (FM), and % lean mass (LM) were measured by dual X-ray absorptiometry scans. Participants consumed less than the Institute of Medicine (IOM) recommended daily allowances (RDA) for vit D (600-800 IU) and calcium (1000-1200 mg) for adults. BMR was positively related to total-lean mass (r = .62, P = .0001; n = 32) and leg-lean mass (r = .51, P = .003; n = 32). Adjusted BMR was negatively related to BMD of the left (r = -.38, P = .047; n = 28) and the right (r = -.41, P = .032; n = 28) proximal tibia. Vit D intake was negatively related to percentage total-FM (r = -.33, P = .07; n = 29) and legs-%FM (r = -.37, P = .047; n = 29). Multivariate regression models indicated that adjusted BMR explained the variance in leg fat mass (34%; P = .002) and percentage fat mass (44%; P < .0001). Persons with SCI are likely to consume less than the RDAs for vit D and calcium. BMR may explain the changes in body composition and bone metabolism. Dietary vit D should be considered as a prophylactic intervention in maintenance of bone health after SCI.
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Affiliation(s)
- Ifon E Dora
- Richmond VA Medical Center, Richmond, VA, USA
- Virginia Commonwealth University School of Medicine, Richmond, VA, USA
| | | | - Robert A Adler
- Richmond VA Medical Center, Richmond, VA, USA
- Virginia Commonwealth University School of Medicine, Richmond, VA, USA
| | - Ashraf S Gorgey
- Richmond VA Medical Center, Richmond, VA, USA
- Virginia Commonwealth University School of Medicine, Richmond, VA, USA
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5
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King EM, Swann SA, Prior JC, Berger C, Mayer U, Pick N, Campbell AR, Côté HCF, Murray MCM. Vitamin D intakes among women living with and without HIV in Canada. HIV Med 2023; 24:628-639. [PMID: 36597960 DOI: 10.1111/hiv.13454] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Accepted: 12/06/2022] [Indexed: 01/05/2023]
Abstract
BACKGROUND Patterns of vitamin D intake are relatively unexplored among women living with HIV, despite its importance for women's health. We compared vitamin D dietary and supplement intakes in women with HIV and population-based national controls and investigated barriers to intake. METHODS In this case-control study, women with HIV in the Children and Women: AntiRetrovirals and Markers of Aging (CARMA) cohort were matched with Canadian Multicentre Osteoporosis Study (CaMos) controls. Participants were queried for vitamin D in dairy consumption, supplementation/dosage, and sociodemographic variables. We assessed barriers to supplementation and factors associated with dietary intake by regression modelling. RESULTS Ninety-five women living with HIV were age-matched to 284 controls. Women with HIV had lower income and bone mineral density and were more likely to smoke, take multiple medications and be non-white. Vitamin D dietary intake was lower in women living with HIV versus controls [0.76 vs. 1.79 μg/day; adjusted odds ratio (aOR) for greater than or equal to median intake 0.29 (0.12-0.61), p = 0.002], but any supplementation was higher [62.2% vs. 44.7%; aOR = 3.44 (95% CI: 1.16-11.00), p = 0.03]. Total vitamin D intake was similar between groups. Smoking was associated with no supplementation; non-white ethnicity and low income were related to lower dietary intake. CONCLUSIONS Women living with HIV showed lower dietary vitamin D intake but higher supplementation rates, suggesting that care providers are promoting supplementation. Women living with HIV who smoke, have low incomes and are non-white may particularly benefit from targeted efforts to improve vitamin D intake.
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Affiliation(s)
- Elizabeth M King
- Faculty of Health Sciences, Simon Fraser University, Burnaby, British Columbia, Canada.,Women's Health Research Institute, Vancouver, British Columbia, Canada
| | - Shayda A Swann
- Women's Health Research Institute, Vancouver, British Columbia, Canada.,Experimental Medicine, University of British Columbia, Vancouver, British Columbia, Canada
| | - Jerilynn C Prior
- Women's Health Research Institute, Vancouver, British Columbia, Canada.,Centre for Menstrual Cycle and Ovulation Research, Endocrinology and Metabolism, University of British Columbia, Vancouver, British Columbia, Canada.,School of Population and Public Health, University of British Columbia, Vancouver, British Columbia, Canada.,Department of Medicine, University of British Columbia, Vancouver, British Columbia, Canada
| | - Claudie Berger
- Research Institute of the McGill University Health Centre, McGill University, Montreal, Quebec, Canada
| | - Ulrike Mayer
- Women's Health Research Institute, Vancouver, British Columbia, Canada
| | - Neora Pick
- Women's Health Research Institute, Vancouver, British Columbia, Canada.,Oak Tree Clinic, BC Women's Hospital and Health Centre, Vancouver, British Columbia, Canada
| | - Amber R Campbell
- Women's Health Research Institute, Vancouver, British Columbia, Canada.,Oak Tree Clinic, BC Women's Hospital and Health Centre, Vancouver, British Columbia, Canada.,Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, British Columbia, Canada
| | - Hélène C F Côté
- Women's Health Research Institute, Vancouver, British Columbia, Canada.,Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, British Columbia, Canada.,Centre for Blood Research, University of British Columbia, Vancouver, British Columbia, Canada
| | - Melanie C M Murray
- Women's Health Research Institute, Vancouver, British Columbia, Canada.,Department of Medicine, University of British Columbia, Vancouver, British Columbia, Canada.,Oak Tree Clinic, BC Women's Hospital and Health Centre, Vancouver, British Columbia, Canada
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Ogilvie AR, McGuire BD, Meng L, Shapses SA. Fracture Risk in Vegetarians and Vegans: the Role of Diet and Metabolic Factors. Curr Osteoporos Rep 2022; 20:442-452. [PMID: 36129610 DOI: 10.1007/s11914-022-00754-7] [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] [Accepted: 08/22/2022] [Indexed: 01/30/2023]
Abstract
PURPOSE OF REVIEW There is strong evidence that poor dietary intake of certain micro- and macro-nutrients can negatively affect bone health. It is unclear if diet is the primary culprit for poor bone health in the vegan population. RECENT FINDINGS Plant-based diets are gaining public interest since they may improve metabolic health. Studies that examine vegetarians and vegans together show a lower bone mineral density (BMD), but not always increased fracture risk compared to omnivores. However, vegans consistently have higher risk of fracture at multiple bone sites, especially at the hip. There is higher fracture risk in vegans which may be due to calcium and vitamin D intake, as well as amount of dietary protein and quality. Other nutrients (B vitamins, Se, Zn, Fe, iodine) or physiological factors (lower body mass index, microbiome, or endocrine profile) may also play a role but have not been examined and require further study.
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Affiliation(s)
- Anna R Ogilvie
- Department of Nutritional Sciences, Rutgers University, New Brunswick, NJ, USA
- Institute of Food, Nutrition, and Health, Rutgers University, New Brunswick, NJ, USA
| | - Brandon D McGuire
- Department of Nutritional Sciences, Rutgers University, New Brunswick, NJ, USA
- Institute of Food, Nutrition, and Health, Rutgers University, New Brunswick, NJ, USA
| | - Lingqiong Meng
- Department of Nutritional Sciences, Rutgers University, New Brunswick, NJ, USA
- Institute of Food, Nutrition, and Health, Rutgers University, New Brunswick, NJ, USA
| | - Sue A Shapses
- Department of Nutritional Sciences, Rutgers University, New Brunswick, NJ, USA.
- Institute of Food, Nutrition, and Health, Rutgers University, New Brunswick, NJ, USA.
- Department of Medicine, Rutgers-Robert Wood Johnson Medical School, New Brunswick, NJ, USA.
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7
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Dietary vitamin D intake in low ultraviolet irradiation seasons is associated with a better nutritional status of vitamin D in Korean adults according to the 2013-2014 National Health and Nutrition Examination Survey. Nutr Res 2022; 105:53-65. [DOI: 10.1016/j.nutres.2022.06.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Revised: 06/04/2022] [Accepted: 06/05/2022] [Indexed: 11/23/2022]
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8
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Wu SE, Chen WL. Moderate Sun Exposure Is the Complementor in Insufficient Vitamin D Consumers. Front Nutr 2022; 9:832659. [PMID: 35350415 PMCID: PMC8957913 DOI: 10.3389/fnut.2022.832659] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Accepted: 02/10/2022] [Indexed: 11/14/2022] Open
Abstract
Background and Aims Vitamin (Vit) D plays a vital role in human health, and the prevalence of Vit D deficiency worldwide has been a rising concern. This study investigates the serum 25-hydroxy-Vit D [25(OH)D] status in healthy US civilians and identifies how the two main sources, sun exposure and dietary Vit D intake, determine the final 25(OH)D levels in individuals. Methods A total of 2,360 of participants from The National Health and Nutrition Examination Survey (NHANES) 2009–2014 were analyzed. We divided the levels of sun exposure and dietary Vit D intake of all subjects into 10 strata and gave a score ranging from 1 to 10 points, respectively. Scores 1–5 in sun exposure and dietary intake were considered as relatively low exposure groups, whereas scores 6–10 were considered as relatively high exposure groups. Serum Vit D inadequacy was defined as <50 nmol/L. Linear and logistic regression analyses were used to examine the associations between sources of Vit D and serum 25(OH)D levels. Results In relatively low Vit D intake groups (Vit D intake score 1–5), relatively high sun exposure (sun exposure score >5) resulted in higher serum 25(OH)D levels (average 57 nmol/L) compared with relatively low sun exposure (sun exposure score <5) (average 50 nmol/L), whereas this difference became negligible in high intake groups (Vit D intake score 6–10). Moreover, the greatest slope occurred in the low Vit D intake curve (decile 3 of Vit D intake), which shows increased sun exposure time causing the greatest degree of change in serum 25(OH)D level in this group. Conclusion Sun exposure can significantly make up for deficiencies in subjects who consume insufficient dietary Vit D. Compared with the extra cost and time for building habits of Vit D supplementation, moderate sun exposure appears to be a simple and costless means for the public to start in daily practice.
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Affiliation(s)
- Shou-En Wu
- Department of Dermatology, Tri-Service General Hospital, School of Medicine, National Defense Medical Center, Taipei City, Taiwan
- Division of Family Medicine, Department of Family and Community Medicine, Tri-Service General Hospital, School of Medicine, National Defense Medical Center, Taipei City, Taiwan
- Division of Geriatric Medicine, Department of Family and Community Medicine, Tri-Service General Hospital, School of Medicine, National Defense Medical Center, Taipei City, Taiwan
| | - Wei-Liang Chen
- Division of Family Medicine, Department of Family and Community Medicine, Tri-Service General Hospital, School of Medicine, National Defense Medical Center, Taipei City, Taiwan
- Division of Geriatric Medicine, Department of Family and Community Medicine, Tri-Service General Hospital, School of Medicine, National Defense Medical Center, Taipei City, Taiwan
- Department of Biochemistry, National Defense Medical Center, Taipei City, Taiwan
- *Correspondence: Wei-Liang Chen,
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Turin CG, Khanjee N, Breaux K, Armamento-Villareal R, Rodriguez-Barradas MC, Clark EH. Evaluation of Adherence to Guideline-Based Bone Mineral Density Screening in Veterans with HIV. AIDS Res Hum Retroviruses 2022; 38:216-221. [PMID: 34969257 PMCID: PMC9464047 DOI: 10.1089/aid.2021.0095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
People with HIV (PWH) have a higher prevalence of bone mineral density (BMD) loss compared to people without HIV. The Infectious Diseases Society of America (IDSA) recommends BMD screening through dual energy X-ray absorptiometry (DXA) in PWH starting at age 50. We aimed to evaluate adherence to this recommendation in a population of Veterans with HIV (VWH). Retrospective cross-sectional analysis of VWH followed from 2014 to 2018 at the Michael E. DeBakey VA Medical Center Infectious Diseases Clinic, Houston, Texas. We collected data through registry extraction and chart review. We calculated the percentage of VWH with timely BMD loss screening by DXA within 5 years of turning 50. Secondary outcomes included prevalence of osteopenia, osteoporosis, and vitamin D deficiency. We included data from 1,243 VWH. Their average age was 52 years (range 18-86). Most were male (95%), and 59% were black. Of the 346 VWH who turned 50 years old during the study period, 78 (22.5%) underwent DXA within 5 years. Of these, 42 (53.8%) had normal BMD, 28 (35.9%) had osteopenia, and 8 (10.3%) had osteoporosis. Nine hundred ninety-three (79.9%) VWH had available 25-hydroxyvitamin D levels; of these, 453 (45%) had normal levels, 304 (30.6%) had vitamin D insufficiency, 184 (18.5%) had vitamin D deficiency, and 52 (5.2%) had severe vitamin D deficiency. Fewer than 25% of eligible VWH underwent timely BMD loss screening by DXA per IDSA guidelines. Almost half of screened VWH showed evidence of BMD loss. Although limited by lack of follow-up and fracture data, this study emphasizes the importance of improving BMD loss screening in this vulnerable population.
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Affiliation(s)
- Christie G. Turin
- Department of Medicine, Baylor College of Medicine, Houston, Texas, USA
| | - Naveed Khanjee
- Department of Medicine, Baylor College of Medicine, Houston, Texas, USA
| | - Katharine Breaux
- Department of Medicine, Baylor College of Medicine, Houston, Texas, USA.,Section of Infectious Diseases, Michael E. DeBakey Veterans Affairs Medical Center, Houston, Texas, USA
| | - Reina Armamento-Villareal
- Department of Medicine, Baylor College of Medicine, Houston, Texas, USA.,Section of Endocrinology, Michael E. DeBakey Veterans Affairs Medical Center, Houston, Texas, USA
| | - Maria C. Rodriguez-Barradas
- Department of Medicine, Baylor College of Medicine, Houston, Texas, USA.,Section of Infectious Diseases, Michael E. DeBakey Veterans Affairs Medical Center, Houston, Texas, USA
| | - Eva H. Clark
- Department of Medicine, Baylor College of Medicine, Houston, Texas, USA.,Section of Infectious Diseases, Baylor College of Medicine, Houston, Texas, USA.,Health Services Research, Michael E. DeBakey VA Health Services Research Center of Innovations [IQuESt], Houston, Texas, USA.,Address correspondence to: Eva H. Clark, Section of Infectious Diseases, Baylor College of Medicine, 2450 Holcombe Boulevard, Suite 01Y, Houston, TX 77021, USA
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10
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Using food fortification to improve vitamin D bioaccessibility and intakes. Proc Nutr Soc 2022; 81:99-107. [DOI: 10.1017/s0029665121003803] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Vitamin D intakes and status are low in many countries due to seasonal UVB exposure variation and the fact that few foods are naturally vitamin D rich. Data modelling studies show that vitamin D intakes increase with food fortification, and countries with mandatory fortification policies have higher vitamin D intakes and status compared to countries without. While many foods can be vitamin D fortified, vitamin D bioavailability differs depending on fortification methods, food structure and composition. Randomised controlled trials (RCT) report that vitamin D2 bioavailability varies between foods, whereas vitamin D3 is bioavailable from many foods. In vitro studies suggest that altering the lipid composition of fortified foods increases vitamin D3 absorption. Olive oil increased vitamin D3 absorption during in vitro digestion compared to other dietary oils. Additionally, when vitamin D3 was incorporated into micelles formed from in vitro digestion of olive oil, more vitamin D3 was absorbed compared to other dietary oils. However, in a human postprandial study, a preformed vitamin D3 micelle dairy drink did not increase vitamin D3 absorption, and a vitamin D3 olive dairy drink increased vitamin D3 absorption in vitamin D insufficient participants only. Action is urgently needed to improve vitamin D intakes and status worldwide. Food fortification improves vitamin D intakes; however, fortification strategies unique to each country are needed. This review will synthesise the literature describing data modelling and intervention trials that assess the safety and efficacy of vitamin D fortification strategies, and those manipulating food composition to alter vitamin D bioavailability from fortified foods. Additionally, RCT examining the impact of vitamin D fortification strategies on vitamin D intakes and status over time are reviewed.
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Reduced vmPFC volume mediates the association between early exposure to family material hardship and problematic mobile phone use: The moderating role of parental attachment. CURRENT PSYCHOLOGY 2022. [DOI: 10.1007/s12144-022-02720-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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12
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Chen N, Li N, Jiang J, Yang X, Wu D. Urinary Phytoestrogen Metabolites Positively Correlate with Serum 25(OH)D Level Based on National Health and Nutrition Examination Survey 2009-2010. J Nutr Sci Vitaminol (Tokyo) 2022; 67:375-383. [PMID: 34980715 DOI: 10.3177/jnsv.67.375] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Studies showed that vitamin D (25-hydroxyvitamin D) level in the human blood circulation could be affected by exogenous estrogen exposure. This study aims to explore the relationships between urinary phytoestrogens metabolites and serum total 25(OH)D in general population, urinary phytoestrogens metabolites (daidzein, enterodiol, enterolactone, equol, genistein and o-desmethylangolensin). Totally 2,609 adults ≥6 y old from the 2009-2010 National Health and Nutrition Examination Surveys (NHANES) were recruited into the cross-sectional analyses and information including demographic, socioeconomic, examinations and laboratory test were collected. All analyses were performed using Stata13.0, one-way analysis of variance and multivariable regression were utilised according to data characteristics, respectively. It showed that age, race, education level, body mass index (BMI), and sampling season had significant effects on serum 25(OH)D level (all p<0.001). In the whole population, urinary enterodiol and equol were significantly positively associated with serum total 25(OH)D level (β=0.86, 95%CI=0.08-1.65, p<0.05; β=1.68, 95%CI=0.91-2.45, p<0.001). Equol was also found significantly positively correlated with total 25(OH)D in both female and male separately (β=1.69, 95%CI=0.51-2.87, p<0.05; β=1.66, 95%CI=0.63-2.69, p<0.05). Phytoestrogen concentrations in the urinary and 25(OH)D levels in the serum had proved a positive correlation in our study, which provide theoretical basis and reference for the dietary nutrient intake in the population.
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Affiliation(s)
- Na Chen
- State Key Laboratory of Reproductive Medicine, Center for Global Health, School of Public Health, Nanjing Medical University.,Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University
| | - Ningning Li
- State Key Laboratory of Reproductive Medicine, Center for Global Health, School of Public Health, Nanjing Medical University.,Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University
| | - Jin Jiang
- State Key Laboratory of Reproductive Medicine, Center for Global Health, School of Public Health, Nanjing Medical University.,Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University
| | - Xiaona Yang
- State Key Laboratory of Reproductive Medicine, Center for Global Health, School of Public Health, Nanjing Medical University.,Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University
| | - Di Wu
- State Key Laboratory of Reproductive Medicine, Center for Global Health, School of Public Health, Nanjing Medical University.,Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University
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Amaya-Montoya M, Duarte-Montero D, Nieves-Barreto LD, Montaño-Rodríguez A, Betancourt-Villamizar EC, Salazar-Ocampo MP, Mendivil CO. 100 YEARS OF VITAMIN D: Dietary intake and main food sources of vitamin D and calcium in Colombian urban adults. Endocr Connect 2021; 10:1584-1593. [PMID: 34766920 PMCID: PMC8679881 DOI: 10.1530/ec-21-0341] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Accepted: 11/12/2021] [Indexed: 11/28/2022]
Abstract
Data on dietary calcium and vitamin D intake from Latin America are scarce. We explored the main correlates and dietary sources of calcium and vitamin D in a probabilistic, population-based sample from Colombia. We studied 1554 participants aged 18-75 from five different geographical regions. Dietary intake was assessed by employing a 157-item semi-quantitative food frequency questionnaire and national and international food composition tables. Daily vitamin D intake decreased with increasing age, from 230 IU/day in the 18-39 age group to 184 IU/day in the 60-75 age group (P -trend < 0.001). Vitamin D intake was positively associated with socioeconomic status (SES) (196 IU/day in lowest vs 234 in highest SES, P-trend < 0.001), and with educational level (176 IU/day in lowest vs 226 in highest education level, P-trend < 0.001). Daily calcium intake also decreased with age, from 1376 mg/day in the 18-39 age group to 1120 mg/day in the 60-75 age group (P -trend < 0.001). Calcium intake was lowest among participants with only elementary education, but the absolute difference in calcium intake between extreme education categories was smaller than for vitamin D (1107 vs 1274 mg/day, P-trend = 0.023). Daily calcium intake did not correlate with SES (P -trend = 0.74). Eggs were the main source of overall vitamin D, albeit their contribution decreased with increasing age. Dairy products contributed at least 48% of dietary calcium in all subgroups, mostly from cheese-containing traditional foods. SES and education were the key correlates of vitamin D and calcium intake. These findings may contribute to shape public health interventions in Latin American countries.
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Affiliation(s)
| | | | | | | | | | | | - Carlos O Mendivil
- School of Medicine, Universidad de los Andes, Bogotá, Colombia
- Fundación Santa Fe de Bogotá, Section of Endocrinology, Bogotá, Colombia
- Correspondence should be addressed to C O Mendivil:
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Vitamin D Incorporation in Foods: Formulation Strategies, Stability, and Bioaccessibility as Affected by the Food Matrix. Foods 2021; 10:foods10091989. [PMID: 34574096 PMCID: PMC8467460 DOI: 10.3390/foods10091989] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Revised: 08/20/2021] [Accepted: 08/23/2021] [Indexed: 11/24/2022] Open
Abstract
Inadequate intake of vitamin D is a global health issue related to severe diseases, mainly involving subjects with dark skin pigmentation, patients affected by malnutrition, malabsorption syndromes, or obesity, and elderly people. Some foods fortified with vitamin D have been tested in vivo, but fortification strategies with a global outreach are still lacking. This review is focused on food fortification with vitamin D, with the aim to collect information on (a) formulation strategies; (b) stability during processing and storage; and (c) in vitro bioaccessibility. Approaches to add vitamin D to various foods were analyzed, including the use of free vitamin D, vitamin D loaded in simple and double nanoemulsions, liposomes, casein micelles, and protein nanocapsules. Numerous studies were reviewed to elucidate the impact of food technologies on vitamin D’s stability, and mechanisms that lead to degradation were identified—namely, acid-catalyzed isomerization, radical-induced oxidation, and photo-oxidation. There is, however, a lack of kinetic data that allow for the prediction of vitamin D’s stability under industrial processing conditions. The roles that lipids, proteins, fibers, and antioxidants play in vitamin bioaccessibility have been clarified in various studies, while future needs include the design of specific food matrices that simultaneously achieve a balance between the long-term stability, bioaccessibility and, ultimately, in vivo functionality of vitamin D.
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Wang J, Wang N, Ge Z, Ding B, Bi Y, Li W, Hong Z. Effect of Improving Dietary Structure on Serum 25(OH)VitD₃ Level in Hypertensive Patients in a Chinese Rural Area. Med Sci Monit 2021; 27:e929218. [PMID: 33888673 PMCID: PMC8078025 DOI: 10.12659/msm.929218] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
Background In this study, we explored the effect of an improved dietary pattern on 25-hydroxyvitamin D3 [25(OH)VitD3] level in hypertensive patients in a rural setting and investigated the possible mechanism for lowering blood pressure. Material/Methods Thirty-three participants with overweight or obesity were randomly divided into 2 groups. A 24-h dietary review method was used for dietary assessment. Participants in both groups were provided the same balanced diet except for the breakfast staple food for 4 weeks. General characteristics, body composition analysis, blood pressure, serum lipid profile, inflammatory indices, and serum 25(OH)VitD3 level were assessed at baseline and at the completion of the 4-week dietary intervention. Nutrient intake was analyzed by dietary analysis software, and SPSS software was used for correlation and regression analyses. Results Thirty-one participants completed the study. The prevalence of vitamin D deficiency was 100% at baseline. After the dietary intervention, the prevalence of vitamin D deficiency decreased to 45%. Levels of dietary intake of vitamin D, cholesterol, protein, fat, and calcium showed a significantly positive correlation with the serum 25(OH)VitD3 level. Body fat, visceral fat, waist-to-hip ratio, serum triglyceride, and Toll-2 expression were negatively correlated with the serum 25(OH)VitD3 level. Blood pressure had a significant negative correlation with 25(OH)VitD3 level. Participants in both groups experienced a significant decrease in blood pressure. Conclusion Intake of a balanced diet rich in vitamin D, with appropriate amounts of cholesterol, protein, calcium, and fat, helped improve body composition, ameliorated lipid metabolism disorder, reduced inflammation, and improved serum 25(OH)VitD3 level, thus lowering blood pressure.
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Affiliation(s)
- Jia Wang
- Department of Nutrition, Beijing Friendship Hospital, Capital Medical University, Beijing, China (mainland)
| | - Nan Wang
- Department of Nutrition, Beijing Friendship Hospital, Capital Medical University, Beijing, China (mainland)
| | - Zhiwen Ge
- Department of Nutrition, Beijing Friendship Hospital, Capital Medical University, Beijing, China (mainland)
| | - Bingjie Ding
- Department of Nutrition, Beijing Friendship Hospital, Capital Medical University, Beijing, China (mainland)
| | - Yanxia Bi
- Department of Nutrition, Beijing Friendship Hospital, Capital Medical University, Beijing, China (mainland)
| | - Wei Li
- Department of Nutrition, Beijing Friendship Hospital, Capital Medical University, Beijing, China (mainland)
| | - Zhongxin Hong
- Department of Nutrition, Beijing Friendship Hospital, Capital Medical University, Beijing, China (mainland)
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Akinlawon OJ, Lai CQ, Noel SE, Flanagan KD, Tucker KL. Risk Factors Associated with Vitamin D Status among Older Puerto Rican Adults. J Nutr 2021; 151:999-1007. [PMID: 33693857 PMCID: PMC8030721 DOI: 10.1093/jn/nxaa426] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Revised: 10/20/2020] [Accepted: 12/07/2020] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Vitamin D deficiency has been associated with health problems globally, but there is limited information on vitamin D status and associated risk factors among adults in underserved populations. OBJECTIVE This study aimed to identify risk factors for vitamin D deficiency/insufficiency among Puerto Rican adults from the Boston Puerto Rican Health Study (BPRHS). METHODS A total of 822 adults (45-75 y, at baseline) were included in these analyses. Deficiency was defined as serum 25-hydroxyvitamin D [25(OH)D] <30 and insufficiency as 30 to <50 nmol/L. Dietary intake was assessed with a validated FFQ. Associations between risk factors, including dietary vitamin D, supplement use, ancestry, skin pigmentation, months in the past year spent in a southern climate, and serum 25(OH)D were assessed with multivariable general linear models. RESULTS Approximately 13% of participants were deficient in 25(OH)D and another 43% insufficient. Skin pigment was associated with 25(OH)D using 3 measures, greater African ancestry (β ± SE) (-7.74 ± 2.91, P = 0.01); interviewer assessed dark or medium, compared with white, skin tone, (-5.09 ± 2.19, P = 0.02 and -5.89 ± 1.58, P < 0.001, respectively); and melanin index of the upper inner right arm, assessed using a spectrophotometer (-2.04 ± 0.84, P = 0.02). After adjusting for ancestry, factors associated with lower serum 25(OH)D included smoking (-4.49 ± 1.58, P = 0.01); BMI (-0.21 ± 0.10, P = 0.04); and spring compared with autumn blood draw (-4.66 ± 1.68, P = 0.004). Factors associated with higher serum 25(OH)D included female sex compared with male (4.03 ± 1.58, P = 0.01); dietary vitamin D intake μg/d (0.71 ± 0.25, P < 0.004); vitamin D supplement use (4.50 ± 1.87, P = 0.02); income to poverty ratio (0.01 ± 0.01, P = 0.06), and months in a southern climate during the past year (0.96 ± 0.56, P = 0.09). CONCLUSIONS Vitamin D deficiency/insufficiency was prevalent in this Puerto Rican population living in the northeastern USA. Several factors were associated with this, which may assist in identifying those at risk. Interventions are needed to improve serum 25(OH)D concentration, particularly among those with limited exposure to sunlight.
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Affiliation(s)
- Oladimeji J Akinlawon
- Department of Biomedical and Nutritional Sciences, University of Massachusetts Lowell, Lowell, MA, USA
| | - Chao-Qiang Lai
- Nutrition and Genomics Laboratory, Jean Mayer U.S. Department of Agriculture Human Nutrition Research Center on Aging, Tufts University, Boston, MA, USA
| | - Sabrina E Noel
- Department of Biomedical and Nutritional Sciences, University of Massachusetts Lowell, Lowell, MA, USA
| | - Kaylea D Flanagan
- Department of Biomedical and Nutritional Sciences, University of Massachusetts Lowell, Lowell, MA, USA
| | - Katherine L Tucker
- Department of Biomedical and Nutritional Sciences, University of Massachusetts Lowell, Lowell, MA, USA
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Vatanparast H, Patil RP, Islam N, Shafiee M, Whiting SJ. Vitamin D Intake from Supplemental Sources but Not from Food Sources Has Increased in the Canadian Population Over Time. J Nutr 2020; 150:526-535. [PMID: 31825071 PMCID: PMC7056613 DOI: 10.1093/jn/nxz291] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2019] [Revised: 09/09/2019] [Accepted: 11/06/2019] [Indexed: 01/09/2023] Open
Abstract
BACKGROUND Evidence is lacking to determine whether there have been any changes in dietary or total usual intakes of vitamin D among Canadians, in the light of recent evidence of beneficial health effects beyond bone. OBJECTIVE We aimed to examine trends in dietary and total usual intake of vitamin D among Canadians aged ≥1 y. METHODS This study used nationally representative nutrition data from the Canadian Community Health Survey Cycle 2.2 (CCHS 2004) and CCHS Nutrition in 2015. Dietary intake data were collected with use of two 24-h dietary recalls and dietary supplement use was determined by questionnaire. The National Cancer Institute method was used to estimate the usual intake of vitamin D as well as the prevalence of vitamin D inadequacy among Canadians aged ≥1 y. RESULTS From 2004 to 2015, the usual intake of vitamin D from food significantly decreased (P < 0.05) by 1 μg/d only in vitamin D supplement nonusers. The contribution of Milk and Alternatives food group (i.e., fluid milk, fortified soy beverages, powdered milk, and other milk alternatives) to dietary vitamin D intake significantly decreased (P < 0.05) in both supplement users (by 7.1%) and nonusers (by 5.8%). Prevalence of vitamin D supplement use and percentage contribution of vitamin D from supplemental sources significantly increased (P < 0.05) by 5.0% and 14.9%, respectively, from 2004 to 2015. Total usual intake of vitamin D (food + supplement) significantly increased (P < 0.05) from 15.1 ± 0.3 μg/d in 2004 to 31.5 ± 1.8 μg/d in 2015 in vitamin D supplement users. In contrast to vitamin D supplement nonusers, the prevalence of vitamin D inadequacy significantly decreased (P < 0.05) from 20.6% to 14.1% among users of vitamin D supplements. CONCLUSIONS The prevalence of vitamin D supplement use and the percentage contribution of vitamin D from supplemental sources has increased in the Canadian population over an 11-y period.
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Affiliation(s)
- Hassan Vatanparast
- School of Public Health, University of Saskatchewan, Saskatoon, SK S7N 4Z2, Canada,College of Pharmacy and Nutrition, University of Saskatchewan, Saskatoon, SK S7N 4Z2, Canada,Address correspondence to HV (e-mail: )
| | - Rashmi Prakash Patil
- College of Pharmacy and Nutrition, University of Saskatchewan, Saskatoon, SK S7N 4Z2, Canada
| | - Naorin Islam
- College of Pharmacy and Nutrition, University of Saskatchewan, Saskatoon, SK S7N 4Z2, Canada
| | - Mojtaba Shafiee
- College of Pharmacy and Nutrition, University of Saskatchewan, Saskatoon, SK S7N 4Z2, Canada
| | - Susan J Whiting
- College of Pharmacy and Nutrition, University of Saskatchewan, Saskatoon, SK S7N 4Z2, Canada
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Orces C, Lorenzo C, Guarneros JE. The Prevalence and Determinants of Vitamin D Inadequacy among U.S. Older Adults: National Health and Nutrition Examination Survey 2007-2014. Cureus 2019; 11:e5300. [PMID: 31579639 PMCID: PMC6768617 DOI: 10.7759/cureus.5300] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Background Older adults (i.e., adults aged ≥ 60 years) are at higher risk of vitamin D deficiency compared to younger adults as a result of inadequate dietary vitamin D intake and limited exposure to sunlight. Thus, the present study aimed to describe the prevalence of vitamin deficiency and inadequacy among U.S. adults aged ≥ 60 years and the effect of vitamin D supplementation on 25, hydroxyvitamin D (25(OH)D) and its metabolites concentrations. Methods The present analysis was based on data from 6,261 participants in the National Health and Nutrition Examination Survey cycles 2007/2008 through 2013/2014. The prevalence of vitamin D deficiency and inadequacy was described according to demographic, behavioral, and health characteristics. Vitamin D deficiency was defined as 25(OH)D < 30 nmol/L; and vitamin D inadequacy was defined as < 50 nmol/L. Logistic regression models were assembled to examine the independent association of participants characteristics and the odds of having 25(OH)D inadequacy. Similarly, general linear models were used to assess the effect of vitamin D supplementation doses on 25(OH)D and its metabolites concentrations. Results The prevalence of 25(OH)D deficiency and inadequacy was 4.0% (standard error (SE), 0.4) and 17.4% (SE, 0.8), respectively. In general, the prevalence of 25(OH)D deficiency and inadequacy increased significantly among participants examined during the fall and winter months, women, non-Hispanic black patients, obese subjects, smokers, those physically inactive, and older adults with a daily vitamin D intake < 400 IU. After adjustment for potential confounders, subjects examined during the fall and winter months, females, non-Hispanic blacks, obesity, having a sedentary lifestyle, smokers, and a total vitamin D intake < 400 IU/day were variables significantly associated with increased odds of having vitamin D inadequacy. Notably, vitamin D supplement doses between 400 and 800 IU or > 800 IU/day were significantly correlated with higher 25(OH)D3 concentrations considered as sufficient. Conclusion 25(OH)D inadequacy remains prevalent among U.S. older adults. Notably, optimal 25(OH)D3 concentrations were consistently seen among vitamin D supplement users. Despite this finding, nearly half of the participants did not take vitamin D supplements. Thus, vitamin D supplementation should be considered an effective strategy to maintain adequate 25(OH)D status among older adults.
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Affiliation(s)
- Carlos Orces
- Rheumatology, Laredo Medical Center, Laredo, USA
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Serum 25-hydoxyvitamin D concentrations in relation to Hashimoto’s thyroiditis: a systematic review, meta-analysis and meta-regression of observational studies. Eur J Nutr 2019; 59:859-872. [DOI: 10.1007/s00394-019-01991-w] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2018] [Accepted: 05/05/2019] [Indexed: 12/29/2022]
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Cembranel F, Wagner KJP, González-Chica DA, d'Orsi E. Education and Income Levels are Associated With Energy and Micronutrient Intake. INT J VITAM NUTR RES 2019; 90:228-238. [PMID: 30789806 DOI: 10.1024/0300-9831/a000535] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Introduction: According to the literature, education and income are determinants factors of diet quality and consequently of micronutrient intake. However, this association is still little known among adults who live in middle-income countries. Objective: To estimate energy and micronutrients intake by men and women living in a capital city in southern Brazil, according to education and income levels, and to identify prevalence of inadequate micronutrient intake according also to education and income levels. Method: This is a second wave cross-sectional analysis of a population-based longitudinal study, the EpiFloripa Adultos, including 1,222 individuals of 22-63 years. Data on food consumption were obtained through applying two 24-hour dietary recalls, and the prevalence of inadequate micronutrient intake, following the recommendations of the Institute of Medicine and from the National Research Council. Results: A tendency of increased intake with an increase in income (calcium, vitamins C, E) and education levels (calcium, vitamins A, C, D) was observed for most of the micronutrients analyzed (p<0.05 in all cases); still, a prevalence of inadequacy according to Estimated Average Requirement (EAR) between 85.5-100% in intake of vitamins A, D and E were found for the whole sample. Iron inadequate intake was associated with education level and among women less than 50 years of age (p=0.018). Conclusion: The results showed an influence of the education and income levels on micronutrient intake, point to the need of daily food consumption, of minimally processed and in natura foods (as fruits, vegetables, whole grains, milk and its derivatives) as a means to reduce the encountered inadequacies.
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Affiliation(s)
- Francieli Cembranel
- Assistant Professor at the Department of Nutrition, Federal University of Santa Catarina, Trindade University Campus, Florianópolis, Santa Catarina, Brazil
| | - Katia Jakovljevic Pudla Wagner
- Assistant Professor at the Center for Rural Sciences, Bioscience and Unique Health Coordination, Federal University of Santa Catarina, Curitibanos University Campus, Curitibanos, Santa Catarina, Brazil
| | - David Alejandro González-Chica
- Senior Lecturer at the discipline of General Practice, Adelaide Medical School, The University of Adelaide, Adelaide, SA, Australia
| | - Eleonora d'Orsi
- Associated Professor at the Department of Public Health, Federal University of Santa Catarina, Trindade University Campus, Florianópolis, Santa Catarina, Brazil.,Bernard Lown Scholar in Cardiovascular Health, Department of Global Health and Population, Harvard T.H. Chan School of Public Health, Boston, USA
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Yao Y, Fu S, Li N, Hu F, Zhang H, Zhu Q, Luan F, Zhang F, Zhao Y, He Y. Sex, Residence and Fish Intake Predict Vitamin D Status in Chinese Centenarians. J Nutr Health Aging 2019; 23:165-171. [PMID: 30697626 DOI: 10.1007/s12603-018-1126-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
OBJECTIVES This study aims to investigate the prevalence of vitamin D deficiency in Chinese centenarians and to identify the factors associated with vitamin D deficiency. DESIGN Cross-sectional population-based study. SETTING Hainan province in the south of China. PARTICIPANTS 943 subjects aged 100 years old and older. METHODS Details on sociodemographics and lifestyle characteristics were collected using a structured questionnaire. Anthropometrics and blood samples were obtained. Vitamin D deficiency was defined as serum 25-hydroxyvitamin D concentration < 20ng/mL (50nmol/L). RESULTS The overall prevalence of vitamin D deficiency among these 943 centenarians was 39.9% (376 subjects) and the mean serum vitamin D concentrations were 22.7±9.5 (ng/mL). Female centenarians had higher prevalence of vitamin D deficiency than male (44.0% vs. 21.7%, P <0.001). Multivariate logistic regression analyses showed that being female, urban residency, lower body mass index, higher serum parathyroid hormone levels, no fish consumption, and less sun exposure time were all significant and independent determinants of vitamin D deficiency. No significant associations of vitamin D deficiency with ethnic, education, geographic location, tea drinking, alcohol use, or smoking were found in this study. CONCLUSION Vitamin D deficiency was common in Chinese centenarians, especially in women. Given that vitamin D deficiency is linked to numerous adverse health outcomes, dietary, outdoor activities and other intervention measures are needed to correct vitamin D deficiency in this population.
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Affiliation(s)
- Y Yao
- Yali Zhao, Central Laboratory, Hainan Branch of Chinese PLA General Hospital, Sanya, China,
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Itkonen ST, Erkkola M, Lamberg-Allardt CJE. Vitamin D Fortification of Fluid Milk Products and Their Contribution to Vitamin D Intake and Vitamin D Status in Observational Studies-A Review. Nutrients 2018; 10:nu10081054. [PMID: 30096919 PMCID: PMC6116165 DOI: 10.3390/nu10081054] [Citation(s) in RCA: 82] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2018] [Revised: 08/04/2018] [Accepted: 08/07/2018] [Indexed: 12/01/2022] Open
Abstract
Fluid milk products are systematically, either mandatorily or voluntarily, fortified with vitamin D in some countries but their overall contribution to vitamin D intake and status worldwide is not fully understood. We searched the PubMed database to evaluate the contribution of vitamin D-fortified fluid milk products (regular milk and fermented products) to vitamin D intake and serum or plasma 25-hydroxyvitamin D (25(OH)D) status in observational studies during 1993–2017. Twenty studies provided data on 25(OH)D status (n = 19,744), and 22 provided data on vitamin D intake (n = 99,023). Studies showed positive associations between the consumption of vitamin D-fortified milk and 25(OH)D status in different population groups. In countries with a national vitamin D fortification policy covering various fluid milk products (Finland, Canada, United States), milk products contributed 28–63% to vitamin D intake, while in countries without a fortification policy, or when the fortification covered only some dairy products (Sweden, Norway), the contribution was much lower or negligible. To conclude, based on the reviewed observational studies, vitamin D-fortified fluid milk products contribute to vitamin D intake and 25(OH)D status. However, their impact on vitamin D intake at the population level depends on whether vitamin D fortification is systematic and policy-based.
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Affiliation(s)
- Suvi T Itkonen
- Department of Food and Nutrition, P.O. Box 66, 00014 University of Helsinki, 00790 Helsinki, Finland.
| | - Maijaliisa Erkkola
- Department of Food and Nutrition, P.O. Box 66, 00014 University of Helsinki, 00790 Helsinki, Finland.
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Li Y, Li Y, Zhang X, Zhao L, Chen L, Sun H. Vitamin D Status among Young Children Aged 6 to 23 Months from 4 Different Ethnic Groups in Yunnan, China. Food Nutr Bull 2018; 39:260-265. [PMID: 29614873 DOI: 10.1177/0379572118765825] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
OBJECTIVES To determine the prevalence of vitamin D deficiency in 6- to 23-month-old children from 4 different ethnic groups, Han, Lisu, Hani, and Bai, in Yunnan Province of China. METHODS A large cohort of 938 young children aged 6 to 23 months who were living in Yunnan, China (23°28'-27°52' N), were selected and recruited in this study. Venous-blood sampling was conducted in all the participants, and serum 25-hydroxyvitamin D [25(OH)D] levels were measured. The children's physical status was measured. RESULTS General mean serum 25(OH)D level was 21.46 ± 7.95 ng/mL, which was obtained from a total of 938 cases. No significant difference was found in age, gender, height, and weight of participants from different ethnic groups. The mean 25(OH)D level was significantly lower in children of Lisu ethnic groups compared with that of Han and Hani participants, respectively ( P < .05). In addition, Bai children had lower 25(OH)D content than Hani children ( P < .001). Among the children with 25(OH)D sufficiency, the number of Lisu participants was significantly lower than Han children ( P < .001). CONCLUSION The prevalence of vitamin D deficiency varied among the ethnically different children in Yunnan, China, and significantly fewer Lisu children maintained vitamin D sufficiency compared with other ethnic children. Recognizing these ethnic differences in treating children with vitamin D deficiency may improve the therapeutic outcome.
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Affiliation(s)
- Yanhong Li
- 1 Department of Pediatrics, The Second Affiliated Hospital of Kunming Medical University, Kunming, Yunnan Province, China
| | - Yan Li
- 2 School of Public Health, Kunming Medical University, Kunming, Yunnan Province, China
| | - Xian Zhang
- 1 Department of Pediatrics, The Second Affiliated Hospital of Kunming Medical University, Kunming, Yunnan Province, China
| | - Lin Zhao
- 1 Department of Pediatrics, The Second Affiliated Hospital of Kunming Medical University, Kunming, Yunnan Province, China
| | - Liqin Chen
- 2 School of Public Health, Kunming Medical University, Kunming, Yunnan Province, China
| | - Haisong Sun
- 3 Nutrition Department, The Second Affiliated Hospital of Kunming Medical University, Kunming, Yunnan Province, China
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Contribution of Dietary Supplements to Nutritional Adequacy by Socioeconomic Subgroups in Adults of the United States. Nutrients 2017; 10:nu10010004. [PMID: 29271883 PMCID: PMC5793232 DOI: 10.3390/nu10010004] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2017] [Revised: 12/09/2017] [Accepted: 12/15/2017] [Indexed: 12/23/2022] Open
Abstract
Many Americans have inadequate intakes of several nutrients, and the Dietary Guidelines for Americans 2015–2020 identified vitamins A, C, D, and E, in addition to calcium, magnesium, iron, potassium, choline, and fiber as “underconsumed nutrients”. Based on nationally representative data on 10,698 adults from National Health and Nutrition Examination Surveys (NHANES), 2009–2012, assessments were made of socioeconomic differences, based on the Poverty Income Ratio (PIR), in terms of the association of dietary supplement use on nutrient intake and nutrient inadequacies. Compared to food alone, the use of any dietary supplement plus food was associated with significantly (p < 0.01) higher intakes of 15–16 of 19 nutrients examined in all socioeconomic groups; and significantly reduced rates of inadequacy for 10/17 nutrients in the subgroup PIR > 1.85 (not poor), but only 4–5/17 nutrients (calcium and vitamins A, C, D, E) for the poor and nearly poor subgroups (PIR < 1.35 and PIR 1.35 to ≤1.85, respectively). An increased prevalence of intakes above the Tolerable Upper Intake Level (UL) was seen for 3–9/13 nutrients, but all were less than 5% in the PIR subgroups. In conclusion, dietary supplement use was associated with an increased micronutrient intake, decreased inadequacies, and a slight increase in the prevalence of intakes above the UL, with greater benefits seen in the PIR > 1.85 subgroup.
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Santos A, Amaral TF, Guerra RS, Sousa AS, Álvares L, Moreira P, Padrão P, Afonso C, Borges N. Vitamin D status and associated factors among Portuguese older adults: results from the Nutrition UP 65 cross-sectional study. BMJ Open 2017; 7:e016123. [PMID: 28645977 PMCID: PMC5724139 DOI: 10.1136/bmjopen-2017-016123] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/25/2017] [Revised: 04/06/2017] [Accepted: 04/26/2017] [Indexed: 12/16/2022] Open
Abstract
OBJECTIVES To evaluate vitamin D status and its associated factors in Portuguese older adults from the Nutrition UP 65 study. DESIGN Cross-sectional observational study. PARTICIPANTS AND METHODS Nationwide cluster sample of 1500 Portuguese subjects ≥65 years old. Participants were classified, according to US Institute of Medicine cut-offs, as presenting normal 25-hydroxyvitamin D (25(OH)D) levels (≥50.0 nmol/L), at risk of inadequacy (30.0-49.9 nmol/L) or at risk of deficiency (<30 nmol/L). The association between individuals' characteristics and 25(OH)D levels was analysed through multinomial logistic regression analysis. RESULTS Median 25(OH)D serum value was 36.1 (interquartile range (IQR): 35.5) nmol/L. According to the used cut-offs, 39.6% of participants were at risk of 25(OH)D deficiency and 29.4% were at risk of 25(OH)D inadequacy. In the adjusted model, having higher skin pigmentation and waist circumference >88 cm for women and >102 cm for men were associated with higher odds of 25(OH)D deficiency. Otherwise, living in Lisbon Metropolitan Area and in Madeira, 1-12 years of schooling, being married or in a common-law marriage, monthly income ≥€1000, alcohol consumption, medication or supplements with vitamin D supplement use, and blood samples collected in spring or summer were associated with lower odds of being at risk of 25(OH)D deficiency. In this model, season of blood sample collection, medication or supplements use, and waist circumference were the factors more strongly associated with 25(OH)D levels. CONCLUSIONS Despite using the conservative Institute of Medicine cut-offs, over two-thirds of these study participants presented inadequate 25(OH)D levels, warranting the implementation of corrective measures. Potentially modifiable factors were strongly associated with 25(OH)D levels in this study. These findings may be particularly relevant to the development of public health policies in southern European countries.
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Affiliation(s)
- Alejandro Santos
- Faculdade de Ciências da Nutrição e Alimentação, Universidade do Porto, Porto, Portugal
- i3S-Instituto de Investigação e Inovação em Saúde, Porto, Portugal
| | - Teresa F Amaral
- Faculdade de Ciências da Nutrição e Alimentação, Universidade do Porto, Porto, Portugal
- UISPA, LAETA-INEGI, Faculdade de Engenharia, Universidade do Porto, Porto, Portugal
| | - Rita S Guerra
- Faculdade de Ciências da Nutrição e Alimentação, Universidade do Porto, Porto, Portugal
- UISPA, LAETA-INEGI, Faculdade de Engenharia, Universidade do Porto, Porto, Portugal
| | - Ana S Sousa
- Faculdade de Ciências da Nutrição e Alimentação, Universidade do Porto, Porto, Portugal
| | - Luisa Álvares
- Faculdade de Ciências da Nutrição e Alimentação, Universidade do Porto, Porto, Portugal
| | - Pedro Moreira
- Faculdade de Ciências da Nutrição e Alimentação, Universidade do Porto, Porto, Portugal
- EPIUnit – Instituto de Saúde Pública, Universidade do Porto, Porto, Portugal
- Centro de Atividade Física, Saúde e Lazer, Universidade do Porto, Porto, Portugal
| | - Patrícia Padrão
- Faculdade de Ciências da Nutrição e Alimentação, Universidade do Porto, Porto, Portugal
- EPIUnit – Instituto de Saúde Pública, Universidade do Porto, Porto, Portugal
| | - Cláudia Afonso
- Faculdade de Ciências da Nutrição e Alimentação, Universidade do Porto, Porto, Portugal
| | - Nuno Borges
- Faculdade de Ciências da Nutrição e Alimentação, Universidade do Porto, Porto, Portugal
- CINTESIS - Center for Health Technology and Services Research, Porto, Portugal
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Layne TM, Weinstein SJ, Graubard BI, Ma X, Mayne ST, Albanes D. Serum 25-hydroxyvitamin D, vitamin D binding protein, and prostate cancer risk in black men. Cancer 2017; 123:2698-2704. [PMID: 28369777 DOI: 10.1002/cncr.30634] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2016] [Revised: 01/22/2017] [Accepted: 01/26/2017] [Indexed: 12/12/2022]
Abstract
BACKGROUND Few studies have prospectively examined the relationship between vitamin D status and prostate cancer risk in black men, a group at high risk for both low vitamin D status and prostate cancer. METHODS Among black men in the Prostate, Lung, Colorectal, and Ovarian Cancer Screening Trial, we identified 226 prostate cancer cases and 452 controls matched on age at randomization (±5 years), date of blood draw (±30 days), calendar year of cohort entry, and time since baseline prostate cancer screening (±1 year). Conditional logistic regression was used to estimate the odds ratios (ORs) and 95% confidence intervals (CIs) for the associations between serum 25-hydroxyvitamin D [25(OH)D], vitamin D binding protein (DBP), the 25(OH)D:DBP molar ratio, and prostate cancer risk. RESULTS Serum 25(OH)D was not associated with overall prostate cancer (Q4 vs Q1: OR, 0.73; 95% CI, 0.40-1.33; P for trend = .25), although there were apparent inverse associations for nonaggressive disease (global P = .03, clinical stage I/II, and Gleason score <7) and among men ≥62 years old (P for interaction = .04) that were restricted to Q3. Interestingly, serum DBP was significantly inversely associated with prostate cancer risk (Q4 vs Q1: OR, 0.45; 95% CI, 0.20-1.00; P for trend = .03), whereas the 25(OH)D:DBP molar ratio was not. Results were similar when we mutually adjusted for 25(OH)D and DBP, and we found no evidence of interaction between the two. CONCLUSION Our study suggests higher (versus lower) circulating DBP may be independently associated with a decreased prostate cancer risk in black men independent of 25(OH)D status. Cancer 2017;123:2698-704. © 2017 American Cancer Society.
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Affiliation(s)
- Tracy M Layne
- Chronic Disease Epidemiology Department, Yale School of Public Health, New Haven, Connecticut.,Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, Maryland
| | - Stephanie J Weinstein
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, Maryland
| | - Barry I Graubard
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, Maryland
| | - Xiaomei Ma
- Chronic Disease Epidemiology Department, Yale School of Public Health, New Haven, Connecticut.,Yale Comprehensive Cancer Center, Yale University, New Haven, Connecticut
| | - Susan T Mayne
- Chronic Disease Epidemiology Department, Yale School of Public Health, New Haven, Connecticut.,Yale Comprehensive Cancer Center, Yale University, New Haven, Connecticut
| | - Demetrius Albanes
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, Maryland
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Beilfuss J, Camargo CA, Kamycheva E. Serum 25-Hydroxyvitamin D Has a Modest Positive Association with Leukocyte Telomere Length in Middle-Aged US Adults. J Nutr 2017; 147:514-520. [PMID: 28179486 DOI: 10.3945/jn.116.244137] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2016] [Revised: 11/28/2016] [Accepted: 01/13/2017] [Indexed: 11/14/2022] Open
Abstract
Background: Vitamin D deficiency has been linked to all-cause mortality and cancer. However, the biological plausibility of these associations is not well established. Leukocyte telomere length (LTL) shortening is associated with aging and is a hallmark of genomic instability and carcinogenesis.Objective: We aimed to investigate the association between serum 25-hydroxyvitamin D [25(OH)D] concentrations and LTL in the general US population.Methods: We analyzed data from the US NHANES 2001-2002. The study population comprised 1542 younger adults (aged 20-39 y), 1336 middle-aged adults (aged 40-59 y), and 1382 older adults (aged ≥60 y). LTL was measured by using quantitative polymerase chain reaction. Serum 25(OH)D concentrations ≥50 nmol/L were considered optimal. Linear regression, adjusted for age, sex, race/ethnicity, body mass index (BMI), total energy and sugar intakes, calcium intake, socioeconomic status, milk and dietary supplement consumption, and physical activity, was applied to investigate the association between serum 25(OH)D and LTL.Results: In the total population, age, sex, BMI, and non-Hispanic black race/ethnicity were significant predictors of LTL. In the participants aged 40-59 y, an increment in serum 25(OH)D of 10 nmol/L was associated with a 0.03- ± 0.01-kbp longer LTL, adjusted for age, sex, race/ethnicity, and other factors (P = 0.001). In the same age group, 25(OH)D concentrations ≥50 nmol/L were associated with a 0.13- ± 0.04-kbp longer LTL than those for 25(OH)D concentrations <50 nmol/L (P = 0.01). The association was independent of age, sex, race/ethnicity, BMI, and other factors.Conclusions: In a nationally representative population of adults, serum 25(OH)D was positively associated with LTL in middle-aged participants (aged 40-59 y), independently of other factors. These findings suggest that decreased 25(OH)D concentrations are associated with genomic instability, although the clinical impact of this observation remains unclear.
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Affiliation(s)
- Julia Beilfuss
- Endocrine Research Group, Faculty of Health Sciences, Department of Clinical Medicine, University of Tromsoe-The Arctic University of Norway, Tromsoe, Norway.,Medical Clinic, University Hospital of North Norway, Tromsoe, Norway
| | - Carlos A Camargo
- Department of Emergency Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA; and.,Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA
| | - Elena Kamycheva
- Endocrine Research Group, Faculty of Health Sciences, Department of Clinical Medicine, University of Tromsoe-The Arctic University of Norway, Tromsoe, Norway; .,Medical Clinic, University Hospital of North Norway, Tromsoe, Norway.,Department of Emergency Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA; and
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Prevalence and Determinants of Suboptimal Vitamin D Levels in a Multiethnic Asian Population. Nutrients 2017; 9:nu9030313. [PMID: 28327512 PMCID: PMC5372976 DOI: 10.3390/nu9030313] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2016] [Revised: 02/14/2017] [Accepted: 02/16/2017] [Indexed: 12/02/2022] Open
Abstract
This population-based cross-sectional study examined the prevalence and risk factors of suboptimal vitamin D levels (assessed using circulating 25-hydroxycholecalciferol (25(OH)D)) in a multi-ethnic sample of Asian adults. Plasma 25(OH)D concentration of 1139 Chinese, Malay and Indians (40–80 years) were stratified into normal (≥30 ng/mL), and suboptimal (including insufficiency and deficiency, <30 ng/mL) based on the 2011 Endocrine Society Clinical Practice Guidelines. Logistic regression models were used to assess the associations of demographic, lifestyle and clinical risk factors with the outcome. Of the 1139 participants, 25(OH)D concentration was suboptimal in 76.1%. In multivariable models, age ≤65 years (compared to age >65 years), Malay and Indian ethnicities (compared to Chinese ethnicity), and higher body mass index, HbA1c, education and income levels were associated with suboptimal 25(OH)D concentration (p < 0.05). In a population-based sample of Asian adults, approximately 75% had suboptimal 25(OH)D concentration. Targeted interventions and stricter reinforcements of existing guidelines for vitamin D supplementation are needed for groups at risk of vitamin D insufficiency/deficiency.
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Kang JY, Kim MK, Jung S, Shin J, Choi BY. The cross-sectional relationships of dietary and serum vitamin D with cardiometabolic risk factors: Metabolic components, subclinical atherosclerosis, and arterial stiffness. Nutrition 2016; 32:1048-1056.e1. [PMID: 27179408 DOI: 10.1016/j.nut.2016.02.019] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2015] [Revised: 02/05/2016] [Accepted: 02/22/2016] [Indexed: 12/21/2022]
Abstract
OBJECTIVE There has been increasing interest in non-skeletal interactions between vitamin D insufficiency, which is common, and cardiovascular event and cardiovascular disease (CVD) risk factors. METHODS To evaluate cross-sectional associations between dietary and serum vitamin D status and metabolic abnormalities and arterial changes among 1054 adults aged ≥40 y (404 men and 650 women) in a rural area of South Korea. Study subjects were divided into three groups according to dietary vitamin D intake (tertiles) measured by food frequency questionnaire and serum 25(OH)D levels (≤20, 21-29, and ≥30 ng/mL). Metabolic components (blood pressure, lipid profiles, and glycemic index) and arterial changes (brachial ankle pulse wave velocity [baPWV] and carotid artery intima-media wall thickness [cIMT]) were measured. RESULTS Dietary vitamin D was inversely associated with diastolic blood pressure (DBP) and baPWV among men, but the association disappeared after multinutrient supplement users were excluded. Among women, there was an inverse association between dietary vitamin D and triacylglycerol (TG) levels. However, serum 25(OH)D showed a significant positive relationship with HDL cholesterol in both men and women, while a positive linear trend or nonlinear trend with serum 25(OH)D levels was shown in TG levels among men and in systolic blood pressure (SBP), DBP, total cholesterol, and baPWV among women. The positive relationship between serum 25(OH)D with baPWV disappeared after adjustment for blood pressure. CONCLUSIONS Serum 25(OH)D may be favorably related to HDL cholesterol. However, serum 25(OH)D may not favorably related to subclinical atherosclerosis and arterial stiffness measured by cIMT and baPWV. The positive relationship between 25(OH)D and baPWV is likely to be mediated by blood pressure.
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Affiliation(s)
- Ji Yeon Kang
- Department of Preventive Medicine, College of Medicine, and Institute for Health and Society, Hanyang University, Seoul, Korea
| | - Mi Kyung Kim
- Department of Preventive Medicine, College of Medicine, and Institute for Health and Society, Hanyang University, Seoul, Korea.
| | - Sukyoung Jung
- Department of Preventive Medicine, College of Medicine, and Institute for Health and Society, Hanyang University, Seoul, Korea
| | - Jinho Shin
- Division of Cardiology, Department of Internal Medicine, College of Medicine, Hanyang University, Seoul, Korea
| | - Bo Youl Choi
- Department of Preventive Medicine, College of Medicine, and Institute for Health and Society, Hanyang University, Seoul, Korea
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Lifestyle Behaviors Affecting Bone Health in Young Hispanic and Non-Hispanic White Women. TOP CLIN NUTR 2016. [DOI: 10.1097/tin.0000000000000055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Vitamin D and Reproduction: From Gametes to Childhood. Healthcare (Basel) 2015; 3:1097-120. [PMID: 27417816 PMCID: PMC4934634 DOI: 10.3390/healthcare3041097] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2015] [Revised: 10/28/2015] [Accepted: 11/03/2015] [Indexed: 01/08/2023] Open
Abstract
Vitamin D is well recognized for its essentiality in maintaining skeletal health. Recent research has suggested that vitamin D may exert a broad range of roles throughout the human life cycle starting from reproduction to adult chronic disease risk. Rates of vitamin D deficiency during pregnancy remain high worldwide. Vitamin D deficiency has been associated with an increased risk of fertility problems, preeclampsia, gestational diabetes, and allergic disease in the offspring. Vitamin D is found naturally in only a few foods thus supplementation can provide an accessible and effective way to raise vitamin D status when dietary intakes and sunlight exposure are low. However, the possibility of overconsumption and possible adverse effects is under debate. The effect of vitamin D supplementation during pregnancy and early life on maternal and infant outcomes will be of particular focus in this review.
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The long-term impact of early life poverty on orbitofrontal cortex volume in adulthood: results from a prospective study over 25 years. Neuropsychopharmacology 2015; 40:996-1004. [PMID: 25315195 PMCID: PMC4330514 DOI: 10.1038/npp.2014.277] [Citation(s) in RCA: 62] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/16/2014] [Revised: 09/24/2014] [Accepted: 10/10/2014] [Indexed: 01/17/2023]
Abstract
Converging evidence has highlighted the association between poverty and conduct disorder (CD) without specifying neurobiological pathways. Neuroimaging research has emphasized structural and functional alterations in the orbitofrontal cortex (OFC) as one key mechanism underlying this disorder. The present study aimed to clarify the long-term influence of early poverty on OFC volume and its association with CD symptoms in healthy participants of an epidemiological cohort study followed since birth. At age 25 years, voxel-based morphometry was applied to study brain volume differences. Poverty (0=non-exposed (N=134), 1=exposed (N=33)) and smoking during pregnancy were determined using a standardized parent interview, and information on maternal responsiveness was derived from videotaped mother-infant interactions at the age of 3 months. CD symptoms were assessed by diagnostic interview from 8 to 19 years of age. Information on life stress was acquired at each assessment and childhood maltreatment was measured using retrospective self-report at the age of 23 years. Analyses were adjusted for sex, parental psychopathology and delinquency, obstetric adversity, parental education, and current poverty. Individuals exposed to early life poverty exhibited a lower OFC volume. Moreover, we replicated previous findings of increased CD symptoms as a consequence of childhood poverty. This effect proved statistically mediated by OFC volume and exposure to life stress and smoking during pregnancy, but not by childhood maltreatment and maternal responsiveness. These findings underline the importance of studying the impact of early life adversity on brain alterations and highlight the need for programs to decrease income-related disparities.
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Jungert A, Spinneker A, Nagel A, Neuhäuser-Berthold M. Dietary intake and main food sources of vitamin D as a function of age, sex, vitamin D status, body composition, and income in an elderly German cohort. Food Nutr Res 2014; 58:23632. [PMID: 25317118 PMCID: PMC4168313 DOI: 10.3402/fnr.v58.23632] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2013] [Revised: 08/01/2014] [Accepted: 08/25/2014] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND Elderly subjects are at risk of insufficient vitamin D status mainly because of diminished capacity for cutaneous vitamin D synthesis. In cases of insufficient endogenous production, vitamin D status depends on vitamin D intake. OBJECTIVE The purpose of this study is to identify the main food sources of vitamin D in elderly subjects and to analyse whether contributing food sources differ by sex, age, vitamin D status, body mass index (BMI), or household income. In addition, we analysed the factors that influence dietary vitamin D intake in the elderly. DESIGN AND SUBJECTS This is a cross-sectional study in 235 independently living German elderly aged 66-96 years (BMI=27±4 kg/m(2)). Vitamin D intake was assessed by a 3-day estimated dietary record. RESULTS The main sources of dietary vitamin D were fish/fish products followed by eggs, fats/oils, bread/bakery products, and milk/dairy products. Differences in contributing food groups by sex, age, vitamin D status, and BMI were not found. Fish contributed more to vitamin D intake in subjects with a household income of <1,500 €/month compared to subjects with higher income. In multiple regression analysis, fat intake and frequency of fish consumption were positive determinants of dietary vitamin D intake, whereas household income and percentage total body fat negatively affected vitamin D intake. Other parameters, including age, sex, physical activity, smoking, intake of energy, milk, eggs and alcohol, showed no significant association with vitamin D intake. CONCLUSION Low habitual dietary vitamin D intake does not affect vitamin D status in summer, and fish is the major contributor to vitamin D intake independent of sex, age, vitamin D status, BMI, and the income of subjects.
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Affiliation(s)
- Alexandra Jungert
- Institute of Nutritional Science, Justus-Liebig-University, Giessen, Germany
| | - Andre Spinneker
- Institute of Nutritional Science, Justus-Liebig-University, Giessen, Germany
| | - Anja Nagel
- Institute of Nutritional Science, Justus-Liebig-University, Giessen, Germany
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Abstract
Older adults are becoming a significant percentage of the world's population. A multitude of factors, from the normal aging process to the progression of chronic disease, influence the nutrition needs of this very diverse group of people. Appropriate micronutrient intake is of particular importance but is often suboptimal. Here we review the available data regarding micronutrient needs and the consequences of deficiencies in the ever growing aged population.
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Affiliation(s)
- Stephanie C Montgomery
- Division of General Surgery, Medical University of South Carolina, Charleston, South Carolina
| | - Stephanie M Streit
- Department of Surgery, Medical University of South Carolina, Charleston, South Carolina
| | - Mara Lee Beebe
- Digestive Disease Center, Medical University of South Carolina, Charleston, South Carolina
| | - Pinckney J Maxwell
- Division of Gastrointestinal and Laparoscopic Surgery, Medical University of South Carolina, Charleston, South Carolina
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35
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Moore CE, Radcliffe JD, Liu Y. Vitamin D intakes of children differ by race/ethnicity, sex, age, and income in the United States, 2007 to 2010. Nutr Res 2014; 34:499-506. [DOI: 10.1016/j.nutres.2014.06.002] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2013] [Revised: 05/30/2014] [Accepted: 06/04/2014] [Indexed: 11/16/2022]
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