Comprehensive action requires engagement with multiple sectors and stakeholders, including schools, families, sport and recreation providers, urban planners, and city and community leaders.”
15102
这项研究是由世界卫生组织资助的，由世卫组织、伦敦帝国理工学院和西澳大利亚大学的研究人员实施。
This study was funded by the World Health Organization.
15103
作者指出了研究的局限性，包括由于缺乏校外青少年的数据，该研究只包括在校青少年信息。
The authors note some limitations, including that the study only included information from school-going adolescents, due to lack of data for adolescents out of school.
School-goingadolescents may vary from others of the same age, as adolescents in school may be more likely to come from advantaged backgrounds that may be more focused on high achievement in other academic disciplines, rather than physical education and sport.
Further, while the study covered 81% of the school-going adolescent population, this coverage varied by country income, ranging from 36% in low-income to 86% in high-income countries.
15106
这项研究只使用了自我报告的数据，可能存在偏差。
The study used self-reported data only, which may be subject to bias.
15107
没有采用来自可穿戴设备的数据，因为无法与来自调查的自我报告数据进行比较。
Data from wearable devices were not used as they could not be compared to self-reported data from surveys.
15108
世卫组织认证阿尔及利亚和阿根廷无疟疾
Algeria and Argentina certified malaria-free by WHO
15109
世卫组织已正式承认阿尔及利亚和阿根廷实现无疟疾。
Algeria and Argentina have been officially recognized by WHO as malaria-free.
15110
认证条件是有关国家证明已至少连续3年阻断疟疾的本地传播。
The certification is granted when a country proves that it has interrupted indigenous transmission of the disease for at least 3 consecutive years.