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气候变化视角下城市街道可步行性与热风险的耦合研究——以合肥市为例
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作者 顾康康 冉桃滔 +1 位作者 黄水明 洪伟 《沈阳建筑大学学报(社会科学版)》 2024年第3期288-295,共8页
气候变化背景下,片面强调提高街道步行性会忽视高温对人体健康的影响。本研究以合肥市为例,基于步行指数和“危害-暴露-脆弱”风险评估框架评价街道步行热风险,并通过耦合步行性和热风险划分街道类型。结果表明:合肥市步行性整体良好,... 气候变化背景下,片面强调提高街道步行性会忽视高温对人体健康的影响。本研究以合肥市为例,基于步行指数和“危害-暴露-脆弱”风险评估框架评价街道步行热风险,并通过耦合步行性和热风险划分街道类型。结果表明:合肥市步行性整体良好,呈“多点集中、内强外弱”的空间格局,但步行面临高温危害。合肥市中高热风险街道比例较低,但整体抗风险能力较弱,街道易随人口增长、老龄化加剧和极端气温增强而转换为高热风险性街道。合肥市街道步行风险类型呈现圈层分布,主要受到暴露性和脆弱性水平的影响。预警街道和潜在风险街道的影响强度比友好型街道更高。 展开更多
关键词 气候变化 高温热浪 步行 风险 步行风险
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Feasibility of using pedometers in a state-based surveillance system:2014 Arizona Behavioral Risk Factor Surveillance System
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作者 Alberto Flórez-Pregonero Janet E.Fulton +1 位作者 Joan M.Dorn Barbara E.Ainsworth 《Journal of Sport and Health Science》 SCIE 2018年第1期34-41,共8页
Background: Despite their utility in accessing ambulatory movement, pedometers have not been used consistently to monitor physical activity in U.S. surveillance systems. This study was designed to determine the feasib... Background: Despite their utility in accessing ambulatory movement, pedometers have not been used consistently to monitor physical activity in U.S. surveillance systems. This study was designed to determine the feasibility of using pedometers to assess daily steps taken in a sub-sample of adults from Maricopa County who completed the 2014 Arizona Behavioral Risk Factor Surveillance System Survey.Methods: Respondents were sent an Omron HJ324 U pedometer, a logbook to record steps taken, and a walking questionnaire. The pedometer was worn for 7 days. Feasibility was assessed for acceptability(interest in study), demand(procedures followed correctly), implementation(time to complete study), and practicality(cost).Results: Acceptability was modest with 23.9%(830/3476) agreeing to participate. Among those participating(92.9%; 771/830), 50.1%(386/771)returned the logbook. Demand was modest with 39.3%(303/771) of logbooks returned with valid data. Implementation represented 5 months to recruit participants. The cost to obtain valid step-count data was USD61.60 per person. An average of 6363 ± 3049 steps/day were taken with most participants classified as sedentary(36.0%) or low active(35.6%).Conclusion: The feasibility of using pedometers in a state-based surveillance system is modest at best. Feasibility may potentially be improved with easy-to-use pedometers where data can be electronically downloaded. 展开更多
关键词 ASSESSMENT MEASUREMENT Physical activity Public health
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