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Original Articles
Age at first childbirth and the risk of hypertriglyceridemia among Korean women
Hye Rin Choi, Hyeon Chang Kim
Epidemiol Health. 2023;45:e2023010.   Published online December 29, 2022
DOI: https://doi.org/10.4178/epih.e2023010
  • 4,499 View
  • 198 Download
  • 1 Web of Science
  • 1 Crossref
AbstractAbstract AbstractSummary PDFSupplementary Material
Abstract
OBJECTIVES
We aimed to investigate the association of age at first childbirth with the risk of hypertriglyceridemia among Korean women.
METHODS
This study used data from the Korean Genome and Epidemiology Study–Cardiovascular Disease Association Study. In total, 16,747 women were included in the cross-sectional analysis, and 6,250 women were included in the longitudinal analysis. The participants were divided based on their age at first childbirth (<20, 20-24, 25-29, and ≥30 years). Hypertriglyceridemia was defined as triglyceride levels of ≥150 mg/dL.
RESULTS
The multivariable-adjusted odds ratio for prevalent hypertriglyceridemia was 1.19 (95% confidence interval [CI], 1.01 to 1.40) in women whose first childbirth was before 20 years of age, compared to those whose first childbirth was at 25-29 years of age, after adjustment for age, study site, body mass index, blood pressure, diabetes, alcohol consumption, carbohydrate intake, income, marital status, education, parity, usage of oral contraceptives, and hormone replacement status. During a median follow-up of 5.2 years, 1,770 women developed hypertriglyceridemia. Compared with women who gave birth to their first child between 25 years and 29 years of age, those giving birth to their first child before 20 years of age had a higher risk for incident hypertriglyceridemia in later life (adjusted hazard ratio, 1.25; 95% CI, 0.99 to 1.57).
CONCLUSIONS
Giving birth to one’s first child before the age of 20 years was associated with an increased risk of hypertriglyceridemia among Korean women.
Summary
Korean summary
한국인유전체역학조사사업의 농촌기반 코호트 자료를 분석한 결과, 20세 이전에 초산을 경험한 한국 여성에서 25-29세에 경험한 군에 비해 고중성지방혈증에 걸릴 위험이 증가하였음 폐경 후 여성을 한정하여 보았을 때도 20세 이전 초산과 고중성지방혈증 간의 유의한 관련성을 보였음 여성의 출산 등 여성력이 심혈관계 질환 발생의 위험요인으로 작용할 수 있으며, 출산력에 따른 혈중 중성지방수치 관리 전략 마련이 필요함
Key Message
Among Korean women, having their first child before the age of 20 was associated with an increased risk of hypertriglyceridemia. Targeted preventive actions should be developed for those women who give birth at an early age in order to manage their blood triglyceride levels.

Citations

Citations to this article as recorded by  
  • Adolescent childbirth and mobility disability among women ages 15–49: an analysis of population health surveys from 14 low-income and middle-income countries
    Katherine E Peck, Diego G Bassani, Saionara MA Camara, Marlos R Domingues, Tetine Sentell, Maria P Velez, Catherine M Pirkle
    BMJ Open.2023; 13(7): e072535.     CrossRef
Non-linear association between serum folate concentrations and dyslipidemia: Korea National Health and Nutrition Examination Survey 2016-2018
Taiyue Jin, Eun Young Park, Byungmi Kim, Jin-Kyoung Oh
Epidemiol Health. 2022;44:e2022046.   Published online May 15, 2022
DOI: https://doi.org/10.4178/epih.e2022046
  • 8,802 View
  • 324 Download
  • 1 Web of Science
  • 2 Crossref
AbstractAbstract AbstractSummary PDFSupplementary Material
Abstract
OBJECTIVES
We aimed to evaluate the association between serum folate concentrations and the prevalence of dyslipidemia.
METHODS
A total of 4,477 adults (2,019 male and 2,458 female) enrolled in the Korea National Health and Nutrition Examination Survey (KNHANES) 2016-2018 were included. Serum samples were used to assess folate concentrations and total cholesterol (TC), triglyceride (TG), low-density lipoprotein (LDL)-cholesterol, and high-density lipoprotein (HDL)-cholesterol levels. Multivariate logistic regression with sampling weights was used to calculate odds ratios (ORs) and 95% confidence intervals (CIs).
RESULTS
Elevated TC, TG, LDL-cholesterol and HDL-cholesterol levels were observed in 506 (11.3%), 646 (14.4%), 434 (9.7%), and 767 (17.1%) participants, respectively. We found non-linear trends between serum folate concentrations and the prevalence of hypercholesterolemia and hyper-LDL cholesterolemia from the restricted cubic smoothing spline. A higher prevalence of hypercholesterolemia was observed among participants in the first tertile of serum folate concentrations (OR,1.38; 95% CI, 1.05 to 1.79) than among those in the second tertile. However, a higher prevalence of hyper-LDL cholesterolemia was identified for both the first and third serum folate concentration tertiles (OR, 1.49; 95% CI, 1.08 to 2.05 and OR, 1.63; 95% CI, 1.20 to 2.20, respectively); furthermore, in these tertiles, the prevalence of hyper-LDL cholesterolemia was more pronounced among obese participants.
CONCLUSIONS
Non-linear associations may exist between serum folate concentrations and the prevalence of hypercholesterolemia and hyper-LDL cholesterolemia in adults. The findings suggest that more accurate recommendations about folate intake and folic acid fortification and supplementation should be provided.
Summary
Korean summary
본 연구는 국민건강영양조사 자료를 활용하여 한국 성인에서 혈청 엽산 농도와 고콜레스테롤혈증 및 저밀도지단백 (LDL) 콜레스테롤혈증 유병률 간의 비선형 연관성을 확인하였다. 이 결과는 적정 혈청 엽산 농도와 정확한 엽산 권장섭취량을 추정하는데 근거로 활용될수 있을 것이다.
Key Message
1. The prevalence of hypercholesterolemia and hyper-LDL cholesterolemia were non-linearly associated with serum concentrations of folate in the Korean population. 2. An inverse association with a significant linear trend between serum folate concentrations and prevalence of hypo-HDL cholesterolemia was observed. 3. In relation to folate intake and folic acid fortification and supplementation, more accurate recommendations should be provided.

Citations

Citations to this article as recorded by  
  • A Review of Major Secondary Data Resources Used for Research in Traditional Korean Medicine
    Chunhoo Cheon, Bo-Hyoung Jang, Seong-Gyu Ko
    Perspectives on Integrative Medicine.2023; 2(2): 77.     CrossRef
  • The Utilization of Serum Folate and Homocysteine Tests and the Prevalence of Folate Deficiency in Reproductive-Age Korean Women during the COVID-19 Pandemic
    Rihwa Choi, Wonseo Park, Gayoung Chun, Sang Gon Lee, Eun Hee Lee
    Nutrients.2023; 15(14): 3236.     CrossRef
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