The Risk of CVDs from Desalinated Seawater: A Nested Case-Control Study

Juexin Shi, Yuan Liu, Qin Wang, Xiaojian Hu, Bixiong Ye and Shaoxia Dong
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Juexin Shi: National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing 100021, China
Yuan Liu: National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing 100021, China
Qin Wang: National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing 100021, China
Xiaojian Hu: National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing 100021, China
Bixiong Ye: National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing 100021, China
Shaoxia Dong: National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing 100021, China

IJERPH, 2022, vol. 19, issue 12, 1-11

Abstract: The aim of this paper was to assess the association between desalinated seawater and cardiovascular diseases (CVDs). We conducted a nested case-control prospective study on a cohort of 7806 subjects who live on an island of China that lacks fresh water. From this cohort, we identified 140 paired CVD cases and matched controls by sex and age during the same period. Questionnaires were used in order to investigate basic sociodemographic information and risk factors for CVDs, and urine samples were collected to measure calcium and magnesium levels. Using these data we developed and tested both univariate and multivariate logistic regression models. We observed no significant differences in risk of CVDs between groups with desalinated seawater and fresh water intake. From multivariate logistic regression, we found that obesity (OR = 5.38, 95% CI: 1.05–27.45), physical activity (OR = 0.35, 95% CI: 0.16–0.75), hypertension (OR = 3.61, 95% CI: 1.58–8.25), alcohol consumption (OR = 2.57, 95% CI: 1.02–6.47), and irritability (OR = 4.30, 95% CI: 1.93–9.60) were associated with an increased risk of CVD. In this population, we found no association between desalinated seawater intake and CVDs; the incidence of CVDs was primarily related to lifestyle.

Keywords: desalination; cardiovascular disease; incidence (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2022
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