PDF
Full
Outline
To investigate the chain mediating effects of sedentary behavior and smoking on the relationship between screen exposure and visceral fat index in adult men.
Data were collected from the 2020 Chronic Disease Risk Factor Survey in Guizhou Province, focusing on male participants. A health behavior questionnaire was employed to gather information on electronic screen exposure time, sedentary behavior, and smoking quantity. Laboratory indicators were used to assess blood lipid levels, while physical measurements provided data on height, weight, and waist circumference. A correlation coefficient matrix was constructed to analyze the relationships among variables, and a multiple mediation model was developed to explore the mediating pathways of sedentary time and smoking in the relationship between screen exposure and visceral fat index. The PROCESS plugin in SPSS was used to test the chain mediation effects via the bootstrap method, and the mediation pathways were illustrated using Amos.
A total of 1 174 subjects were included in the study. After controlling for age, urban/rural status, education level, marital status, and occupation, regression results indicated a significant direct effect of screen exposure on the visceral fat index in men (β=0.232, 95%CI: 0.915-0.270). Sedentary time (β=0.046, 95%CI: 0.038-0.055) and smoking quantity(β=0.031, 95%CI: 0.004-0.059) were also found to significantly influence the visceral fat index. The mediation analysis revealed that the simple mediating effects of sedentary time and smoking between screen exposure and the visceral fat index were 0.018(95%CI: 0.020-0.033) and 0.056 (95%CI: 0.042-0.072), respectively, while the chain mediation effect was 0.009 (95%CI:0.003-0.014).
Sedentary behavior and smoking exhibit mediating effects in the relationship between screen exposure and visceral fat index in men. As screen exposure is a prevalent lifestyle factor, it is crucial for men to reduce smoking and sedentary behaviors during screen time to mitigate the occurrence of visceral obesity.
PDF
51
21
| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
关闭全屏
No. 86 Xueyuan South Road, Haidian District, Beijing
010-62199257
qkjq@cast.org.cn
Copyright © 2025 China Association for Science and Technology. All rights reserved. For all open access content, the relevant licensing terms apply.
Sponsored by the Office of the Leading Group for Cybersecurity and Informatization of CAST, and supported by Science and Technology Review Publishing House
