The Effect of Kitchen Ventilation Modification on Independent and Combined Associations of Cooking Fuel Type and Cooking Duration with Suicidal Ideation: A Cross-Sectional Study
Author:
Zhang Caiyun,
Kang Ning,
Hou Xiaoyu,
Chang Gaohua,
Yuchi Yinghao,
Liu Xiaotian,
Huo WenqianORCID,
Mao Zhenxing,
Hou Jian,
Wang ChongjianORCID
Abstract
Although household air pollution (HAP) is associated with an increased risk of mental disorders, evidence remains scarce for the relationship between HAP and suicidal ideation. A total of 21,381 qualified participants were enrolled on the Henan Rural Cohort Study. HAP information including cooking fuel type, cooking duration and kitchen ventilation was collected by questionnaires. Suicidal ideation was evaluated by item nine of the Patient Health Questionnaire-9 (PHQ-9). Independent and combined associations of cooking fuel type and cooking duration with suicidal ideation were explored by logistic regression models. Analyses were conducted in different kitchen ventilation groups to detect the potential effect modification. The adjusted odds ratio (OR) and 95% confidence interval (95% CI) of solid fuel users versus clean fuel users for suicidal ideation was 1.37 (1.16, 1.62), and the risk of suicidal ideation increased by 15% (95% CI: 5%, 26%) for each additional hour of the cooking duration. Participants cooking with solid fuel for long durations were related to the highest risk of suicidal ideation (OR (95% CI): 1.51 (1.22, 1.87)). However, all these associations were not observed in those cooking with mechanical ventilation. Mechanical ventilation ameliorated relationships between solid fuel use and long-duration cooking with suicidal ideation.
Funder
Foundation of National Key Program of Research and Development of China
open project of the Key Laboratory of Environment and health, ministry of Education
China Postdoctoral Science Foundation
Foundation of Medical Science and Technology of Henan province
Discipline Key Research and Development Program of Zhengzhou University
Subject
Chemical Health and Safety,Health, Toxicology and Mutagenesis,Toxicology
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