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Background: The prevalence of suboptimal health status has been increasing worldwide, posing a significant challenge to public health. Meanwhile, family health has been recognised as an important factor influencing individual health outcomes. However, the mechanisms through which family health affects suboptimal health status remain unclear. We aimed to investigate the parallel mediation role of sleep quality and health behaviour in the relationship between family health and suboptimal health status., Methods: We conducted a cross-sectional online survey with a sample of adults >18 years old from four provinces in China. The survey questionnaires queried their demographic characteristics, family health, suboptimal health status, sleep quality, and health behaviour. We assessed family health by the Family Health Scale-Short Form and suboptimal health status using the Suboptimal Health Status Questionnaire. We employed structural equation modelling to analyse the data and test the proposed mediation model., Results: we collected 4918 valid questionnaires. The mean age of the participants was 30.1 years (standard deviation = 12.5). The correlation analysis demonstrated a significant negative association between family health and suboptimal health status (r = -0.44; P < 0.001). The results of the parallel mediation analysis showed that family health had a significant indirect effect on suboptimal health status through both sleep quality (β = -0.350; P < 0.001) and health behaviour (β = -0.137; P < 0.001). The total indirect effect of family health on suboptimal health status through both sleep quality and health behaviour was also significant (β = -0.569, P < 0.001)., Conclusions: This study highlights the significance of family health as a predictor of suboptimal health status and suggests that sleep quality and health behaviour are parallel mediators in this relationship. By understanding the role of family health, sleep quality, and health behaviour, interventions can be targeted to improve overall health outcomes., Competing Interests: Disclosure of interest: The authors completed the ICMJE Disclosure of Interest Form (available upon request from the corresponding author) and disclose no relevant interests., (Copyright © 2024 by the Journal of Global Health. All rights reserved.)

In order to study the characteristics of atmospheric dry and wet deposition elements and the health risks of typical industrial and mining cities in central Yunnan, the atmospheric dry and wet depositions collected from June 2019 to July 2020 in Anning city were selected as the research object and measured. The contents of the 11 indexes TN, F, Cr, Ni, Cu, Zn, Cd, Pb, P, As, and Hg were determined, the annual atmospheric deposition flux was calculated, and the exposure risk model was used to assess the risk to human health. The results showed that:1 In addition to Cr, Ni, and As in the atmospheric dry sediments, the average contents of the elements F, Cu, Zn, Cd, Pb, and Hg were significantly higher than those of the surface soil in Anning City, which were 5.82, 3.00, 28.27, 57.53, 2.83, and 1.08 times higher, respectively. The average contents of F and total nitrogen in wet deposition exceeded the standard value of surface water V-class water. 2 The annual atmospheric deposition flux of total nitrogen was the highest, and the annual deposition flux of eight heavy metal elements from smallest to largest was Hg-6 , thus, there was little or no carcinogenic risk. Therefore, it is necessary to strengthen the strict control of atmospheric heavy metal emissions from industrial and mining enterprises in this region.