The association between blood lipids and calcaneus bone mineral density in children and adolescents aged 6-16 years in Beijing
10.3760/cma.j.issn.0253-9624.2019.02.014
- VernacularTitle: 北京市6~16岁儿童青少年血脂水平与跟骨骨密度的相关性研究
- Author:
Pei XIAO
1
;
Dongqing HOU
1
;
Aiyu GAO
2
;
Zhongxin ZHU
3
;
Zhaocang YU
4
;
Ningxiang LIN
5
;
Junting LIU
1
;
Suying CHANG
6
;
Jie MI
1
Author Information
1. Department of Epidemiology, Capital Institute of Pediatrics, Beijing 100020, China
2. Beijing Dongcheng Primary and Secondary School Health Center, Beijing 100009, China
3. Beijing Miyun Primary and Secondary School Health Center, Beijing 101500, China
4. Beijing Tongzhou Primary and Secondary School Health Center, Beijing 101100, China
5. Beijing Fangshan Primary and Secondary School Health Center, Beijing 102400, China
6. The United Nations Children′s Fund in China Office, Beijing 100600, China
- Publication Type:Journal Article
- Keywords:
Child;
Bone density;
Cross-sectional studies;
Blood lipid
- From:
Chinese Journal of Preventive Medicine
2019;53(2):196-201
- CountryChina
- Language:Chinese
-
Abstract:
Objective:To investigate the association between blood lipid and calcaneus bone mineral density (BMD) in children and adolescents aged 6-16 years in Beijing.
Methods:Children and adolescents were selected in 30 schools (8 primary schools, 21 middle schools and one 12-year education school) from Dongcheng, Tongzhou, Fangshan and Miyun districts of Beijing by using a stratified cluster sampling method from November 2017 to January 2018. A total of 14 303 students in grade 1 to 4 of primary school, grade 1 of junior and senior middle school were enrolled after excluding subjects who were not able to participate into this study due to trauma or other uncomfortable physical conditions or with missing key values or with diabetes and kidney diseases. Questionnaire survey, blood lipid and calcaneus BMD were conducted. Multivariate linear regression was applied to quantify the association between calcaneal BMD as a dependent variable and blood lipid level as an independent variable after adjusting for the potential confounding factors. Furthermore, quantile regression was used to analyze the association between blood lipid level and different percentiles (P25, P50 and P75) of ultrasonic velocity values of bone mineral density, and parallel test was conducted for regression coefficients of different percentiles.
Results:A total of 14 303 participants aged (11.4±3.3) years (49.9% boys) were involved in the analysis. The mean age of 14 303 participants was (11.0±3.3) years. 7 142 boys accounted for 49.9%. The mean±SD of calcaneal BMD, total cholesterol (TC), low density lipoprotein-cholesterol (LDL-C), and high density lipoprotein-cholesterol (HDL-C) were (1 540.9±33.8) m/s, (3.90±0.76), (2.18±0.62), and (1.40±0.32) mmol/L, respectively. The P50 (P25, P75) of triglyceride (TG) was 0.69 (0.49-0.94) mmol/L. After the adjustment of age, height, smoking, drinking, vitamin D and calcium supplementation, dairy intake, physical activity, FMI, and MMI, a significantly inverse association (P<0.05) between TG level and calcaneus BMD was observed in both genders, which the regression coefficients (95%CI) in boys and girls were -0.064 (-0.085, -0.044) and -0.073 (-0.094, -0.053), respectively.
Conclusion:The level of BMD was associated with TG in boys and girls. Therefore, it is important to prevent children from hypertriglyceridemia for the bone health promotion.
