Browsing by Author "Wang, Qian"

Now showing items 1-5 of 5

    • Height and body-mass index trajectories of school-aged children and adolescents from 1985 to 2019 in 200 countries and territories: a pooled analysis of 2181 population-based studies with 65 million participants 

      Andrea, Rodriguez-Martinez; Zhou, Bin; Sophiea, Marisa K; Bentham, James; Paciorek, Christopher J; ... more authors (2020 , Article)
      Background Comparable global data on health and nutrition of school-aged children and adolescents are scarce. We aimed to estimate age trajectories and time trends in mean height and mean body-mass index (BMI), which ...

    • An intelligent data uploading selection mechanism for offloading uplink traffic of cellular networks 

      Wang, Qian; Fang, Juan; Gong, Bei; Du, Xiaojiang; Guizani, Mohsen ( MDPI AG , 2020 , Article)
      Wi-Fi uploading is considered an effective method for offloading the traffic of cellular networks generated by the data uploading process of mobile crowd sensing applications. However, previously proposed Wi-Fi uploading ...

    • An optimal uplink traffic offloading algorithm via opportunistic communications based on machine learning 

      Wang, Qian; Gao, Zhipeng; Li, Zifan; Du, Xiaojiang; Guizani, Mohsen ( Springer , 2020 , Article)
      Opportunistic communications as an efficient traffic offloading method can be used to offload uplink traffic of cellular networks to Wi-Fi networks. However, because of its contact pattern (contact frequency and contact ...

    • Worldwide trends in blood pressure from 1975 to 2015: a pooled analysis of 1479 population-based measurement studies with 19·1 million participants 

      Bin, Zhou; Bentham, James; Di Cesare, Mariachiara; Bixby, Honor; Danaei, Goodarz; ... more authors ( Elsevier , 2017 , Article)
      BackgroundRaised blood pressure is an important risk factor for cardiovascular diseases and chronic kidney disease. We estimated worldwide trends in mean systolic and mean diastolic blood pressure, and the prevalence of, ...

    • Worldwide trends in hypertension prevalence and progress in treatment and control from 1990 to 2019: a pooled analysis of 1201 population-representative studies with 104 million participants 

      Bin, Zhou; Carrillo-Larco, Rodrigo M; Danaei, Goodarz; Riley, Leanne M; Paciorek, Christopher J; ... more authors (2021 , Article)
      Background Hypertension can be detected at the primary health-care level and low-cost treatments can effectively control hypertension. We aimed to measure the prevalence of hypertension and progress in its detection, ...