A descriptive analysis of hyperlipidemia in adult twins in China / 中华流行病学杂志
Ke MIAO; Wei-Hua CAO; Jun LYU; Can-Qing YU; Sheng-Feng WANG; Tao HUANG; Dian-Jian-Yi SUN; Chun-Xiao LIAO; Yuan-Jie PANG; Zeng-Chang PANG; Min YU; Hua WANG; Xian-Ping WU; Zhong DONG; Fan WU; Guo-Hong JIANG; Xiao-Jie WANG; Yu LIU; Jian DENG; Lin LU; Wen-Jing GAO; Li-Ming LI.
Chinese Journal of Epidemiology
; (12): 544-551, 2023.
Artículo
en Zh
| WPRIM | ID: wpr-985525
Objective:
To describe the distribution characteristics of hyperlipidemia in adult twins in the Chinese National Twin Registry (CNTR) and explore the effect of genetic and environmental factors on hyperlipidemia.Methods:
Twins recruited from the CNTR in 11 project areas across China were included in the study. A total of 69 130 (34 565 pairs) of adult twins with complete information on hyperlipidemia were selected for analysis. The random effect model was used to characterize the population and regional distribution of hyperlipidemia among twins. The concordance rates of hyperlipidemia were calculated in monozygotic twins (MZ) and dizygotic twins (DZ), respectively, to estimate the heritability.Results:
The age of all participants was (34.2±12.4) years. This study's prevalence of hyperlipidemia was 1.3% (895/69 130). Twin pairs who were men, older, living in urban areas, married,had junior college degree or above, overweight, obese, insufficient physical activity, current smokers, ex-smokers, current drinkers, and ex-drinkers had a higher prevalence of hyperlipidemia (P<0.05). In within-pair analysis, the concordance rate of hyperlipidemia was 29.1% (118/405) in MZ and 18.1% (57/315) in DZ, and the difference was statistically significant (P<0.05). Stratified by gender, age, and region, the concordance rate of hyperlipidemia in MZ was still higher than that in DZ. Further, in within-same-sex twin pair analyses, the heritability of hyperlipidemia was 13.04% (95%CI 2.61%-23.47%) in the northern group and 18.59% (95%CI 4.43%-32.74%) in the female group, respectively.Conclusions:
Adult twins were included in this study and were found to have a lower prevalence of hyperlipidemia than in the general population study, with population and regional differences. Genetic factors influence hyperlipidemia, but the genetic effect may vary with gender and area.
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