Residential greenness exposure and repeatedly measured hyperglycemic markers in women with gestational diabetes mellitus: A birth cohort study in Foshan, China
IF 3.9 3区 医学Q1 PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH
Man He , Qingmei Lin , Xi Su , Yushi Liu , Weidong Luo , Zilong Zhang , Huaicai Zeng , Hualiang Lin , Xiaoling Guo , Yin Yang
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引用次数: 0
Abstract
Objectives
To investigate the association between residential greenness exposure and repeatedly measured hemoglobin A1c (HbA1c) levels during pregnancy in women with gestational diabetes mellitus (GDM).
Study design
This was a cohort study.
Methods
This study was conducted in Foshan City, Southern China from January 1, 2016 to August 31, 2022. Women with GDM who had two HbA1c measurements during their pregnancy were included in the analysis. Residential greenness was assessed using the satellite-derived Normalized Difference Vegetation Index (NDVI) and Enhanced Vegetation Index (EVI) in different buffer areas. Multivariable linear regression models were used to investigate the associations between residential greenness exposure and glycemic levels during middle and late pregnancy. Linear mixed-effect models were used to analyze the association between greenness exposure and repeatedly measured glycemic levels.
Results
Among 5,814 pregnant women with GDM, the mean HbA1c levels were 5.04 (±0.54) % and 5.39 (±0.57) % in middle and late pregnancy, respectively. Greenness exposure before and throughout pregnancy was associated with decreased HbA1c levels from middle to late pregnancy. In the adjusted models, each 0.1 increase in NDVI and EVI value was associated with a 0.01 % (95 % confidence interval [CI]: −0.02 %, −0.01 %) to 0.03 % (95 % CI: −0.04 %, −0.01 %) decrease in HbA1c levels during middle and late pregnancy. Similar findings were observed in a longitudinal analysis of the associations between greenness exposure and HbA1c levels.
Conclusions
Greater residential greenness exposure was associated with lower HbA1c levels from middle to late pregnancy in women with GDM.
期刊介绍:
Public Health is an international, multidisciplinary peer-reviewed journal. It publishes original papers, reviews and short reports on all aspects of the science, philosophy, and practice of public health.