Sex Differences and Dietary Patterns in the Association of Air Pollutants and Hypertension

Overview

Journal BMC Public Health

Publisher Biomed Central

Specialty Public Health

Date 2024 Apr 23

PMID 38654317

Authors

Chen Zhang

Yuanyuan Wang

Wei Xie

Jingxian Zhang

Ting Tian

Qianrang Zhu

Xinyu Fang

Jing Sui

Da Pan

Hui Xia

Shaokang Wang

Guiju Sun

Yue Dai

Affiliations

Soon will be listed here.

Abstract

Background: Hypertension is one of the major public health problems in China. Limited evidence exists regarding sex differences in the association between hypertension and air pollutants, as well as the impact of dietary factors on the relationship between air pollutants and hypertension. The aim of this study was to investigate the sex-specific effects of dietary patterns on the association between fine particulate matter (PM), ozone(O) and hypertension in adults residing in Jiangsu Province of China.

Methods: A total of 3189 adults from the 2015 China Adult Chronic Disease and Nutrition Surveillance in Jiangsu Province were included in this study. PM and O concentrations were estimated using satellite space-time models and assigned to each participant. Dietary patterns were determined by reduced rank regression (RRR), and multivariate logistic regression was used to assess the associations of the obtained dietary patterns with air pollutants and hypertension risk.

Results: After adjusting for confounding variables, we found that males were more sensitive to long-term exposure to PM (Odds ratio (OR) = 1.42 95%CI:1.08,1.87), and females were more sensitive to long-term exposure to O (OR = 1.61 95%CI:1.15,2.23). Traditional southern pattern identified through RRR exhibited a protective effect against hypertension in males (OR = 0.73 95%CI: 0.56,1.00). The results of the interaction between dietary pattern score and PM revealed that adherence to traditional southern pattern was significantly associated with a decreased risk of hypertension in males (P < 0.05), while no significant association was observed among females.

Conclusions: Our findings suggested that sex differences existed in the association between dietary patterns, air pollutants and hypertension. Furthermore, we found that adherence to traditional southern pattern may mitigate the risk of long-term PM exposure-induced hypertension in males.

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