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Hara K, Hirase T, Pathadka S, Cai Z, Sato M, Ishida N, Takemura R. Trends of HbA1c and BMI in People with Type 2 Diabetes: A Japanese Claims-Based Study. Diabetes Ther 2024; 15:801-817. [PMID: 38401022 PMCID: PMC10951166 DOI: 10.1007/s13300-024-01543-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/18/2023] [Accepted: 02/01/2024] [Indexed: 02/26/2024] Open
Abstract
INTRODUCTION Obesity prevalence has increased in Japan in recent years. Given the strong association of obesity with poor glycemic control, and increased risk of type 2 diabetes (T2D) with central obesity, this study describes the current trends and relationships between glycated hemoglobin (HbA1c), body mass index (BMI), and waist circumference in the Japanese people with T2D. METHODS This was a retrospective, cross-sectional study of people with T2D who had at least one recorded HbA1c and BMI (or waist circumference) value in the Japan Medical Data Center Claims database. Five annual cohorts of the study population were formed between January 2017 and December 2021. Annual trends of HbA1c across BMI categories (obesity class I [≥ 25 ~ < 30 kg/m2]-IV [≥ 40 kg/m2]) and in people with central obesity (waist circumference: ≥ 85 cm in men; ≥ 90 cm in women) were described by sex and age groups. RESULTS Overall, 106,089 people with T2D (HbA1c and BMI data: 106,079; HbA1c and waist circumference data: 105,424) were included, with the majority of people belonging to obesity class I (range: 39.7-40.6%) and obesity class II (range: 16.2-17.7%) categories across all annual cohorts. People in higher BMI categories had higher mean HbA1c, with > 50% of people with T2D in obesity class I-IV (54.8-56.5%) having HbA1c ≥ 7%. Between 2017 and 2021, BMI and waist circumference increased in the age group 18-44 years. More than 50% of people with T2D and central obesity in both sexes and people of age group 18-44 years across obesity class I-IV or with central obesity had HbA1c ≥ 7%. CONCLUSION More than half of the people with T2D belonging to obesity class I-IV or central obesity had poor glycemic control (HbA1c ≥ 7%), especially in the 18-44 age group. This highlights the need for body weight management for better glycemic control in relatively young Japanese people with T2D and obesity.
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Affiliation(s)
- Kazuo Hara
- Department of Medicine, Jichi Medical University Saitama Medical Center, Saitama, Japan
| | - Tetsuaki Hirase
- Japan Drug Development and Medical Affairs, Eli Lilly Japan K.K., Kobe, Japan
| | - Swathi Pathadka
- Lilly Capability Center India, Eli Lilly Services India Private Limited, Primrose 7B, Embassy Tech Village, Devarabisanahalli, Bengaluru, Karnataka, 560103, India.
| | - Zhihong Cai
- Japan Drug Development and Medical Affairs, Eli Lilly Japan K.K., Kobe, Japan
| | - Manaka Sato
- Japan Drug Development and Medical Affairs, Eli Lilly Japan K.K., Kobe, Japan
| | - Noriyuki Ishida
- Biostatistics Unit, Clinical and Translational Research Center, Keio University Hospital, Tokyo, Japan
| | - Ryo Takemura
- Biostatistics Unit, Clinical and Translational Research Center, Keio University Hospital, Tokyo, Japan
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Dadras O, Nyaboke Ongosi A, Wang CW. Prevalence and correlates of diabetes and impaired fasting glucose among adults in Afghanistan: Insights from a national survey. SAGE Open Med 2024; 12:20503121241238147. [PMID: 38516644 PMCID: PMC10956149 DOI: 10.1177/20503121241238147] [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: 08/31/2023] [Accepted: 02/22/2024] [Indexed: 03/23/2024] Open
Abstract
Objectives Afghanistan is experiencing an escalating burden of noncommunicable diseases, with diabetes and impaired fasting glucose being of particular concern. To explore the prevalence of diabetes and impaired fasting glucose and associated factors among adult Afghans. Methods This cross-sectional study used secondary data from a nationally representative survey, conducted in 2018 in Afghanistan. A blood sample was collected from the fingertip and tested through a strip to measure blood glucose. The complex sampling design and sampling weights were accounted for in all analyses to produce representative estimates of the target population in Afghanistan. Results Of 3890 Afghan adults aged 18-69 years who participated in this survey, 11.07% and 10.32% had diabetes and impaired fasting glucose, respectively. For overweight individuals with abdominal obesity, the risk for diabetes became significantly elevated, with an adjusted relative risk ratio of 2.12 (95% CI: 1.10-4.09). However, the most pronounced effect was observed among individuals classified as having obesity with abdominal obesity with an adjusted relative risk ratio of 2.54 (95% CI: 1.37-4.70). Moreover, high cholesterol level was significantly associated with both impaired fasting glucose (ARRR: 2.52, 95% CI: 1.55-4.12) and diabetes (ARRR: 4.12, 95% CI: 2.59-6.56), whereas high blood pressure was significantly associated with only diabetes (ARRR: 1.82, 95% CI: 1.16-2.86). Conclusions This investigation provides critical insight into the prevalence of diabetes and IFG among Afghan adults aged 18-69 years. Relative to the global average, the higher prevalence observed calls for specifically designed interventions targeting individuals with cardiometabolic risk factors, such as elevated body mass index, abdominal obesity, hypertension, and hypercholesterolemia.
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Affiliation(s)
- Omid Dadras
- Department of Global Public Health and Primary Care, University of Bergen, Bergen, Norway
| | | | - Chia-Wen Wang
- Saw Swee Hock School of Public Health, National University of Singapore and National University Health System, Singapore, Singapore
- Lloyd’s Register Foundation Institute for the Public Understanding of Risk, National University of Singapore, Singapore, Singapore
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Kawano K, Ueno T, Maeda T, Nohara C, Maki K, Iwanaga K, Morinaga A, Funakoshi S, Abe M, Satoh A, Kawazoe M, Yoshimura C, Takahashi K, Tada K, Ito K, Yasuno T, Mukobara S, Kawanami D, Masutani K, Arima H. Relationship between abdominal circumference and the incidence of hyperuricemia in the general Japanese population. Sci Rep 2024; 14:4573. [PMID: 38403743 PMCID: PMC10894858 DOI: 10.1038/s41598-024-55008-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Accepted: 02/19/2024] [Indexed: 02/27/2024] Open
Abstract
In this study, we aimed to separately evaluate the relationship between waist circumference and the incidence of hyperuricemia in men and women in the general Japanese population. We performed a population-based longitudinal study using data from the annual health examination of residents of Iki City, Japan. A total of 5567 participants without hyperuricemia at baseline were included in the analysis. The men and women were placed into groups according to the tertile of waist circumference. The outcome was incident hyperuricemia (uric acid > 416 µmol/L [7.0 mg/dL]). The relationship between waist circumference and the incidence of hyperuricemia was investigated using Cox proportional hazards models. During the follow-up period, hyperuricemia developed in 697 people (551 men and 146 women). The incidence (per 1000 person-years) of hyperuricemia increased with increasing waist circumference in the men (34.9 for tertile 1, 49.9 for tertile 2 and 63.3 for tertile 3; Ptrend < 0.001) and women (5.5 for tertile 1, 6.3 for tertile 2 and 11.9 for tertile 3; Ptrend < 0.001). Significant associations were identified after adjustment for potential confounders (men: Ptrend < 0.001; women: Ptrend = 0.014). In conclusion, both men and women with larger waist circumferences were at higher risks of subsequent hyperuricemia.
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Affiliation(s)
- Kazumi Kawano
- Department of Preventive Medicine and Public Health, Fukuoka University, 7-45-1 Nanakuma, Jonan-ku, Fukuoka City, Japan
| | - Tamami Ueno
- Department of Preventive Medicine and Public Health, Fukuoka University, 7-45-1 Nanakuma, Jonan-ku, Fukuoka City, Japan
- Faculty of Medicine, School of Nursing, Fukuoka University, Fukuoka, Japan
| | - Toshiki Maeda
- Department of Preventive Medicine and Public Health, Fukuoka University, 7-45-1 Nanakuma, Jonan-ku, Fukuoka City, Japan
| | - Chihiro Nohara
- Department of Preventive Medicine and Public Health, Fukuoka University, 7-45-1 Nanakuma, Jonan-ku, Fukuoka City, Japan
- Department of Pediatrics, Yokohama City University, Yokohama, Japan
| | - Kaori Maki
- Department of Preventive Medicine and Public Health, Fukuoka University, 7-45-1 Nanakuma, Jonan-ku, Fukuoka City, Japan
- Faculty of Medicine, School of Nursing, Fukuoka University, Fukuoka, Japan
| | - Kazuyo Iwanaga
- Department of Preventive Medicine and Public Health, Fukuoka University, 7-45-1 Nanakuma, Jonan-ku, Fukuoka City, Japan
- Faculty of Medicine, School of Nursing, Fukuoka University, Fukuoka, Japan
| | - Akiko Morinaga
- Department of Preventive Medicine and Public Health, Fukuoka University, 7-45-1 Nanakuma, Jonan-ku, Fukuoka City, Japan
- Department of Nursing, Faculty of Medicine, Kurume University, Fukuoka, Japan
| | - Shunsuke Funakoshi
- Department of Preventive Medicine and Public Health, Fukuoka University, 7-45-1 Nanakuma, Jonan-ku, Fukuoka City, Japan
- Department of Medical Laboratory Science, Faculty of Health Science, Junshin Gakuen University, Fukuoka, Japan
| | - Makiko Abe
- Department of Preventive Medicine and Public Health, Fukuoka University, 7-45-1 Nanakuma, Jonan-ku, Fukuoka City, Japan
| | - Atsushi Satoh
- Department of Preventive Medicine and Public Health, Fukuoka University, 7-45-1 Nanakuma, Jonan-ku, Fukuoka City, Japan
| | - Miki Kawazoe
- Department of Preventive Medicine and Public Health, Fukuoka University, 7-45-1 Nanakuma, Jonan-ku, Fukuoka City, Japan
| | - Chikara Yoshimura
- Department of Preventive Medicine and Public Health, Fukuoka University, 7-45-1 Nanakuma, Jonan-ku, Fukuoka City, Japan
| | - Koji Takahashi
- Division of Nephrology and Rheumatology, Department of Internal Medicine, Faculty of Medicine, Fukuoka University, Fukuoka, Japan
| | - Kazuhiro Tada
- Division of Nephrology and Rheumatology, Department of Internal Medicine, Faculty of Medicine, Fukuoka University, Fukuoka, Japan
| | - Kenji Ito
- Division of Nephrology and Rheumatology, Department of Internal Medicine, Faculty of Medicine, Fukuoka University, Fukuoka, Japan
| | - Tetsuhiko Yasuno
- Division of Nephrology and Rheumatology, Department of Internal Medicine, Faculty of Medicine, Fukuoka University, Fukuoka, Japan
| | - Shigeaki Mukobara
- Department of Internal Medicine, Nagasaki Prefecture Iki Hospital, Nagasaki, Japan
| | - Daiji Kawanami
- Department of Endocrinology and Diabetes Mellitus, Faculty of Medicine, Fukuoka University, Fukuoka, Japan
| | - Kosuke Masutani
- Division of Nephrology and Rheumatology, Department of Internal Medicine, Faculty of Medicine, Fukuoka University, Fukuoka, Japan
| | - Hisatomi Arima
- Department of Preventive Medicine and Public Health, Fukuoka University, 7-45-1 Nanakuma, Jonan-ku, Fukuoka City, Japan.
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Zheng D, Zhao S, Luo D, Lu F, Ruan Z, Dong X, Chen W. Association between the weight-adjusted waist index and the odds of type 2 diabetes mellitus in United States adults: a cross-sectional study. Front Endocrinol (Lausanne) 2024; 14:1325454. [PMID: 38292766 PMCID: PMC10824908 DOI: 10.3389/fendo.2023.1325454] [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: 10/21/2023] [Accepted: 12/19/2023] [Indexed: 02/01/2024] Open
Abstract
Objective To examine the association between the weight-adjusted waist index (WWI) and the odds of type 2 diabetes mellitus(T2DM)among U.S. adults. Methods Data from the National Health and Nutrition Examination Survey (NHANES) spanning six years (2007-2018) were utilized, encompassing 31001 eligible participants. Weighted multivariate logistic regression models and smoothed fit curves were employed to assess the association between WWI and the odds of T2DM, as well as dose-response relationships in the overall population and the odds of T2DM in various subgroups. Results In the fully adjusted continuous model, each one-unit increase in WWI was associated with a 1.14-fold increase in the odds of T2DM within the entire study population (2.14 [1.98,2.31], P < 0.0001). In the fully adjusted categorical model, when using the lowest tertile of WWI (T1) as the reference group, the second tertile (T2) and the third tertile (T3) were associated with a 0.88-fold (1.88 [1.64,2.17], P < 0.0001) and a 2.63-fold (3.63 [3.11,4.23], P < 0.0001) increase in the odds of T2DM. These findings indicated a positive correlation between WWI values and the odds of T2DM, aligning with the results of the smoothed-fitted curves. In the analysis of subgroups, in addition to maintaining consistency with the overall population results, we found interactions between age and hypertension subgroups. Conclusion In conclusion, WWI was found to be positively associated with the odds of T2DM in U.S. adults.
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Affiliation(s)
- Dongdong Zheng
- Shandong University of Traditional Chinese Medicine, Jinan, Shandong, China
| | - Suzhen Zhao
- Dongying People’s Hospital (Dongying Hospital of Shandong Provincial Hospital Group), Dongying, Shandong, China
| | - Dan Luo
- Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, Shandong, China
| | - Feng Lu
- Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, Shandong, China
| | - Zhishen Ruan
- Shandong University of Traditional Chinese Medicine, Jinan, Shandong, China
| | - Xiaokang Dong
- Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, Shandong, China
| | - Wenjing Chen
- Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, Shandong, China
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Vajdi M, Khajeh M, Safaei E, Moeinolsadat S, Mousavi S, Seyedhosseini-Ghaheh H, Abbasalizad-Farhangi M, Askari G. Effects of chromium supplementation on body composition in patients with type 2 diabetes: A dose-response systematic review and meta-analysis of randomized controlled trials. J Trace Elem Med Biol 2024; 81:127338. [PMID: 37952433 DOI: 10.1016/j.jtemb.2023.127338] [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: 07/17/2023] [Revised: 10/30/2023] [Accepted: 11/05/2023] [Indexed: 11/14/2023]
Abstract
INTRODUCTION Several randomized controlled trials (RCTs) have demonstrated the beneficial effects of chromium supplementation in managing type 2 diabetes mellitus (T2DM). The current systematic review and meta-analysis aimed to investigate the associations between chromium supplementation and body composition in patients with T2DM. METHODS To achieve this, PubMed, Scopus, Embase, Cochrane Library, and Web of Science were searched for randomized clinical trials (RCTs) that reported the effects of chromium supplementation on body composition such as body weight (BW), body mass index (BMI), fat mass (FM), and waist circumference (WC) in patients with T2DM from inception until July 2023. Weighted mean differences (WMDs) with 95% confidence intervals (CIs) were calculated using a fixed-effects model. RESULTS The meta-analysis included a total of 14 RCTs. The results showed that chromium supplementation did not have any significant effect on FM (WMD = -0.43%; 95% CI -0.94, 0.09), BMI (WMD: 0.09 kg/M2, 95% CI: -0.03, 0.20), WC (WMD: -0.47 cm, 95% CI: -1.10, 0.16), and BW (WMD: -0.26 kg, 95% CI: -0.69, 0.16). However, subgroup analysis revealed that chromium intake decreased FM in subjects aged ≥ 55 years and when chromium picolinate was used as an intervention. Additionally, there was a non-linear association between the dose of chromium supplementation and BW. CONCLUSIONS The meta-analysis suggests that chromium supplementation does not significantly reduce BW, BMI, WC, and FM in patients with T2DM. Further RCTs with large-scale are required to determine the possible anti-obesity effects of chromium in patients with T2DM.
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Affiliation(s)
- Mahdi Vajdi
- Student Research Committee, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Mahsa Khajeh
- Student Research Committee, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Ehsan Safaei
- Nutrition Research Center, Department of Clinical Nutrition, School of Nutrition and Food Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | | | - Samin Mousavi
- Department of Pharmacognosy, Faculty of Pharmacy, Isfahan University of Medical Sciences, Isfahan, Iran
| | | | | | - Gholamreza Askari
- Department of Community Nutrition, School of Nutrition and Food Science, Nutrition and Food Security Research Center, Isfahan University of Medical Sciences, Isfahan, Iran.
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Kuczmarski MF, Orsega-Smith E, Evans MK, Zonderman AB. The Association of Loneliness with Diabetes Is Mediated by Physical Activity and BMI but Not Diet Quality. Nutrients 2023; 15:4923. [PMID: 38068781 PMCID: PMC10708230 DOI: 10.3390/nu15234923] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Revised: 11/20/2023] [Accepted: 11/23/2023] [Indexed: 12/18/2023] Open
Abstract
Loneliness is considered a predictor of poor health through numerous pathways. Mediators of this association has not been extensively explored. The study objective was to determine if diet quality and physical activity are parallel mediators with body mass index (BMI) as the third mediator in the association of loneliness with diabetes. The sample, middle-aged and older African American and White adults, 36-77 years, participated in the second follow-up wave of the prospective Healthy Aging in Neighborhoods of Diversity across the Life Span study, 2013-2017. Loneliness was measured by the UCLA 3-item loneliness scale. Participants were categorized as not diabetic, pre-diabetic, or diabetic based on fasting blood glucose, self-reports, or taking medication for diabetes. The Mean Healthy Eating Index-2010 score was calculated from two 24 h dietary recalls collected using the USDA automated multiple pass method. Physical activity was derived from the Baecke questionnaire. The Hayes PROCESS macro, model #80, was used to perform the mediational analysis. Covariates were age, sex at birth, race, income, alcohol intake, and education. Loneliness was inversely and significantly associated with diet quality and physical activity. The only significant indirect path was loneliness > physical activity > BMI > diabetes. Better understanding of modifiable lifestyle behaviors when developing interventions may improve mental health, thereby improving health.
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Affiliation(s)
- Marie Fanelli Kuczmarski
- Laboratory of Epidemiology and Population Sciences, National Institute on Aging, National Institutes of Health, Baltimore, MD 21224, USA; (M.K.E.)
| | - Elizabeth Orsega-Smith
- Department of Health Behavior and Nutrition Sciences, University of Delaware, Newark, DE 19716, USA;
| | - Michele K. Evans
- Laboratory of Epidemiology and Population Sciences, National Institute on Aging, National Institutes of Health, Baltimore, MD 21224, USA; (M.K.E.)
| | - Alan B. Zonderman
- Laboratory of Epidemiology and Population Sciences, National Institute on Aging, National Institutes of Health, Baltimore, MD 21224, USA; (M.K.E.)
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Yoo TK, Han KD, Kim YH, Nam GE, Park SH, Rhee EJ, Lee WY. Differential Impact of Obesity on the Risk of Diabetes Development in Two Age Groups: Analysis from the National Health Screening Program. Diabetes Metab J 2023; 47:846-858. [PMID: 37915188 PMCID: PMC10695711 DOI: 10.4093/dmj.2022.0242] [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: 07/18/2021] [Accepted: 03/15/2022] [Indexed: 11/03/2023] Open
Abstract
BACKGRUOUND The effect of obesity on the development of type 2 diabetes mellitus (DM) in different age groups remains unclear. We assessed the impact of obesity on the development of DM for two age groups (40-year-old, middle age; 66-year-old, older adults) in the Korean population. METHODS We analyzed Korean National Health Insurance Service data of 4,145,321 Korean adults with 40- and 66-year-old age without DM, between 2009 and 2014. Participants were followed up until 2017 or until the diagnosis of DM. We assessed the risk of DM based on the body mass index and waist circumference of the participants. Multiple confounding factors were adjusted. RESULTS The median follow-up duration was 5.6 years. The association of general and abdominal obesity with the risk of DM development was stronger in the 40-year-old group (general obesity: hazard ratio [HR], 3.566, 95% confidence interval [CI], 3.512 to 3.622; abdominal obesity: HR, 3.231; 95% CI, 3.184 to 3.278) than in the 66-year-old group (general obesity: HR, 1.739; 95% CI, 1.719 to 1.759; abdominal obesity: HR, 1.799; 95% CI, 1.778 to 1.820). In the 66-year-old group, abdominal obesity had a stronger association with the development of DM as compared to general obesity. In the 40-year-old group, general obesity had a stronger association with the risk of DM development than abdominal obesity. CONCLUSION The influence of general and abdominal obesity on the development of DM differed according to age. In older adults, abdominal obesity had a stronger association with DM development than general obesity.
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Affiliation(s)
- Tae Kyung Yoo
- Department of Medicine, MetroWest Medical Center, Framingham, MA, USA
| | - Kyung-Do Han
- Department of Statistics and Actuarial Science, Soongsil University, Seoul, Korea
| | - Yang-Hyun Kim
- Department of Family Medicine, Korea University College of Medicine, Seoul, Korea
| | - Ga Eun Nam
- Department of Family Medicine, Korea University College of Medicine, Seoul, Korea
| | - Sang Hyun Park
- Department of Biomedicine & Health Science, The Catholic University of Korea, Seoul, Korea
| | - Eun-Jung Rhee
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Won-Young Lee
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Korea
- Department of Health Sciences and Technology, Samsung Advanced Institute for Health Sciences & Technology, Sungkyunkwan University, Seoul, Korea
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Graybeal AJ, Brandner CF, Tinsley GM. Evaluation of automated anthropometrics produced by smartphone-based machine learning: a comparison with traditional anthropometric assessments. Br J Nutr 2023; 130:1077-1087. [PMID: 36632007 PMCID: PMC10442791 DOI: 10.1017/s0007114523000090] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Revised: 12/10/2022] [Accepted: 01/03/2023] [Indexed: 01/13/2023]
Abstract
Automated visual anthropometrics produced by mobile applications are accessible and cost effective with the potential to assess clinically relevant anthropometrics without a trained technician present. Thus, the aim of this study was to evaluate the precision and agreement of smartphone-based automated anthropometrics against reference tape measurements. Waist and hip circumference (WC; HC), waist:hip ratio (WHR) and waist:height ratio (W:HT) were collected from 115 participants (69 F) using a tape measure and two smartphone applications (MeThreeSixty®, myBVI®) across multiple smartphone types. Precision metrics were used to assess test-retest precision of the automated measures. Agreement between the circumferences produced by each mobile application and the reference were assessed using equivalence testing and other validity metrics. All mobile applications across smartphone types produced reliable estimates for each variable with intraclass correlation coefficients ≥ 0·93 (all P < 0·001) and root mean square coefficient of variation between 0·5 and 2·5 %. Precision error for WC and HC was between 0·5 and 1·9 cm. WC, HC, and W:HT estimates produced by each mobile application demonstrated equivalence with the reference tape measurements using 5 % equivalence regions. Mean differences via paired t-tests were significant for all variables across each mobile application (all P < 0·050) showing slight underestimation for WC and slight overestimation for HC which resulted in a lack of equivalence for WHR compared with the reference tape measure. Overall, the results of our study support the use of WC and HC estimates produced from automated mobile applications, but also demonstrates the importance of accurate automation for WC and HC estimates given their influence on other anthropometric assessments and clinical health markers.
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Affiliation(s)
- Austin J. Graybeal
- School of Kinesiology & Nutrition, College of Education and Human Sciences, University of Southern Mississippi, Hattiesburg, MS39406, USA
| | - Caleb F. Brandner
- School of Kinesiology & Nutrition, College of Education and Human Sciences, University of Southern Mississippi, Hattiesburg, MS39406, USA
| | - Grant M. Tinsley
- Department of Kinesiology & Sport Management, Texas Tech University, Lubbock, TX79409, USA
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Chang M, Shao Z, Shen G. Association between triglyceride glucose-related markers and the risk of metabolic-associated fatty liver disease: a cross-sectional study in healthy Chinese participants. BMJ Open 2023; 13:e070189. [PMID: 37130686 PMCID: PMC10163481 DOI: 10.1136/bmjopen-2022-070189] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 05/04/2023] Open
Abstract
OBJECTIVES This study aimed to evaluate the performance of the triglyceride glucose (TyG) index and its related markers in predicting metabolic-associated fatty liver disease (MAFLD) in healthy Chinese participants. DESIGN This was a cross-sectional study. SETTING The study was conducted at Health Management Department of the Affiliated Hospital of Xuzhou Medical University. PARTICIPANTS A total of 20 922 asymptomatic Chinese participants (56% men) were enrolled. OUTCOME MEASURES Hepatic ultrasonography was performed to diagnose MAFLD based on the latest diagnostic criteria. The TyG, TyG-body mass (TyG-BMI) and TyG-waist circumference indices were calculated and analysed. RESULTS Compared with the lowest quartile of the TyG-BMI, the adjusted ORs and 95% CIs for MAFLD were 20.76 (14.54 to 29.65), 92.33 (64.61 to 131.95) and 380.87 (263.25 to 551.05) in the second, third and fourth quartiles, respectively. According to the subgroup analysis, the TyG-BMI in the female and the lean groups (BMI<23 kg/m2) showed the strongest predictive value, with optimal cut-off values for MAFLD of 162.05 and 156.31, respectively. The areas under the receiver operating characteristic curves in female and lean groups were 0.933 (95% CI 0.927 to 0.938) and 0.928 (95% CI 0.914 to 0.943), respectively, with 90.7% sensitivity and 81.2% specificity in female participants with MAFLD and 87.2% sensitivity and 87.1% specificity in lean participants with MAFLD. The TyG-BMI index demonstrated superior predictive ability for MAFLD compared with other markers. CONCLUSIONS The TyG-BMI is an effective, simple and promising tool for predicting MAFLD, especially in lean and female participants.
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Affiliation(s)
- Mingxing Chang
- Health Management Center, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, Jiangsu, China
| | - Zhihao Shao
- Health Management Center, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, Jiangsu, China
| | - Guifang Shen
- Health Management Center, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, Jiangsu, China
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Serum triglyceride levels and incidence of hypertension in a general Japanese population: ISSA-CKD study. Hypertens Res 2023; 46:1122-1131. [PMID: 36690809 DOI: 10.1038/s41440-023-01175-4] [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: 04/21/2022] [Revised: 12/04/2022] [Accepted: 12/16/2022] [Indexed: 01/25/2023]
Abstract
The aim of this study was to clarify the relationship between fasting and nonfasting serum triglyceride (TG) levels and the incidence of hypertension in a general Japanese population. We conducted a population-based retrospective cohort study using annual health check-up data of residents of Iki City, Nagasaki Prefecture, Japan. A total of 3202 participants without hypertension at baseline were included in the present analysis. TG levels were classified as quartile 1 (<0.82 mmol/L), quartile 2 (0.83-1.13 mmol/L), quartile 3 (1.14-1.70 mmol/L) and quartile 4 (≥1.71 mmol/L) for men, and as quartile 1 (<0.70 mmol/L), quartile 2 (0.71-0.96 mmol/L), quartile 3 (0.97-1.34 mmol/L) and quartile 4 (≥1.35 mmol/L) for women. The outcome was incident hypertension. During an average follow-up of 4.4 years, 983 participants developed hypertension, according to the Cox proportional hazards model. The annual incidence of hypertension increased with an elevation in TG levels for men (5.88% in quartile 1, 8.30% in quartile 2, 7.62% in quartile 3, and 9.82% in quartile 4). This association was significant, even after adjustment for other risk factors: hazard ratio 1.41 [95% CI 1.07-1.85] for quartile 2, 1.30 [0.99-1.71] for quartile 3, and 1.59 [1.22-2.08] for quartile 4 compared with quartile 1 (p = 0.041 for trend). In contrast, there was no clear association between serum TG levels and the incidence of hypertension after adjustment for confounding factors among women (p = 0.240 for trend). High levels of serum TG were associated with the future incidence of hypertension in a general population of Japanese men but were not associated with that in women. Casual serum triglyceride levels and incidence of hypertension in a general Japanese population: ISSA-CKD study.
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Patterns of change in obesity indices and other cardiometabolic risk factors before the diagnosis of type 2 diabetes: two decades follow-up of the Tehran lipid and glucose study. J Transl Med 2022; 20:518. [DOI: 10.1186/s12967-022-03718-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Accepted: 10/21/2022] [Indexed: 11/09/2022] Open
Abstract
Abstract
Background
Identifying patterns of variation in obesity indices and other cardiometabolic risk factors before the diagnosis of type 2 diabetes could provide insight into the critical period when drastic changes occurred and facilitate targeted interventions for the prevention of diabetes. Therefore, this study sought to explore patterns of change in obesity indices and other cardiometabolic risk factors before diabetes diagnosis.
Methods
We investigated 6305 participants (43.7% men) aged 20–65 from the Tehran Lipid and Glucose Study (TLGS) who were free of diabetes at baseline. First, we jointly estimated developmental multi-trajectories of obesity indices using multivariate latent class growth mixed model, and then patterns of cardiometabolic risk factors within the identified multi-trajectories were assessed using mixed-effects models.
Results
Three patterns of change in obesity indices were identified. Most participants belonged to the “progressing” group (83.4%; n = 742), with a slight but steadily rising in obesity indices until diagnosis in both men and women. All multi-trajectory groups showed similar exponential increases in fasting and 2-h plasma glucose concentrations 6 years before diagnosis and linear increases in blood pressure and total and LDL cholesterol throughout follow-up. Patterns of triglyceride and HDL cholesterol accompanied each group’s patterns of change in obesity indices.
Conclusion
Three patterns of the joint progression of obesity indices before diabetes diagnosis were accompanied by similar blood glucose patterns and other cardiometabolic risk factors. These findings suggest the impact of the increasing trend of obesity indices and other metabolic factors on the incidence of diabetes and emphasize the importance of assessing the metabolic risk factors at each visit.
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