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Purpose: The purpose was to examine how fear of crime, crime victimization, and perceived level of community incivilities are related to physical activity participation and outdoor recreation among Latino adolescents.
Method: The study utilized a mixed methods approach that included 25 qualitative interviews and 390 school-based surveys collected from youth across three schools in Little Village, Chicago, Illinois.
Results: Results showed that Latino adolescents who expressed greater fear of crime also engaged in less physical activity and outdoor recreation. There was no association between crime victimization and physical activity and outdoor recreation. Those who perceived greater levels of community incivilities also engaged in less outdoor recreation, but perception of incivilities had no significant association with physical activity levels. Interview data revealed most of the children believed crime was a serious problem in their neighborhood and it impacted their ability to be physically active and play outside.
Conclusions: Fear of crime was related to lower physical activity and outdoor recreation. It is imperative that communities provide safe environments for children to be active. Increasing police and adult presence in parks and school grounds is recommended. Moreover, efforts must be made to reduce the gang problems in Latino communities.
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http://dx.doi.org/10.1016/j.ypmed.2013.07.008 | DOI Listing |
J Am Chem Soc
December 2024
College of Materials, Institute of Artificial Intelligence, State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, iChEM, Fujian Key Laboratory of Advanced Materials, College of Energy, Xiamen University, Xiamen 361005, China.
Nickel-iron-based catalysts are recognized for their high efficiency in the oxygen evolution reaction (OER) under alkaline conditions, yet the underlying mechanisms that drive their superior performance remain unclear. Herein, we revealed the molecular OER mechanism and the structure-intermediate-performance relationship of OER on a phosphorus-doped nickel-iron nanocatalyst (NiFeP). NiFeP exhibited exceptional activity and stability with an overpotential of only 210 mV at 10 mA cm in 1 M KOH and a cell voltage of 1.
View Article and Find Full Text PDFExp Physiol
December 2024
School of Health Sciences, Massey University, Wellington, New Zealand.
Dynamic resistance exercise (RE) produces sinusoidal fluctuations in blood pressure, with hypotension and cerebral hypoperfusion commonly observed immediately following RE. Whether the cerebral vasculature adapts to these regular blood pressure challenges is unclear. This study examined the cerebrovascular response to post-dynamic RE orthostasis.
View Article and Find Full Text PDFExp Physiol
December 2024
Exercise Biological Center, China Institute of Sport Science, Beijing, China.
The impact of housing temperature on exercise-induced metabolic adaptations is not well understood, despite extensive research on the benefits of exercise for metabolic health. The aim of this study was to elucidate how housing temperatures influence the molecular responses and metabolic benefits of exercise in mice. Male C57BL/6N mice were housed at either room temperature (RT, 21°C) or in a thermoneutral environment (TN, 29°C) and subjected to either a 6-week or acute exercise regimen.
View Article and Find Full Text PDFNano Lett
December 2024
Alan G. MacDiarmid Institute, College of Chemistry, Jilin University, 2699 Qianjin Street, Changchun 130012, P. R. China.
Developing highly efficient non-iridium-based active sites for acidic water splitting is still a huge challenge. Herein, unique Ru-B-Cr moieties have been constructed in RuO nanofibers (NFs) to activate Ru sites for water electrolysis, which overcomes the bottleneck of RuO-based catalysts usually possessing low activity for the hydrogen evolution reaction (HER) and poor stability for the oxygen evolution reaction (OER). The fabricated Cr, B-doped RuO NFs exhibit low overpotentials of 205 and 379 mV for acidic HER and OER at 1 A cm with outstanding stability lasting 1000 and 188 h, respectively.
View Article and Find Full Text PDFACS Appl Mater Interfaces
December 2024
Department of Chemical and Biological Engineering, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul 02841, Republic of Korea.
Cobalt is recognized as an active catalyst in ethane dehydroaromatization (EDA) reactions due to its efficient ethane cracking capability. In order to optimize cobalt's strong ethane cracking capability, it was loaded onto HZSM-5 zeolite through impregnation. This study was conducted with Co-loaded HZSM-5 catalysts with an incipient wetness impregnation method and witnessed an increase of catalytic activity with a long induction period.
View Article and Find Full Text PDFEnter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!