He Li, Lingzhan Meng, Simiao Yu, Haocheng Zheng, Lingxiang Yu, Hongbo Wang, Hui Ren, Hu Li, Xiaofeng Zhang, Zizheng Wang, Peng Yu, Xiongwei Hu, Muyi Yang, Jin Yan, Yanling Shao, Li Cao, Xia Ding, Zhixian Hong, Zhenyu Zhu
Efficacy and safety of robotic versus laparoscopic liver resection for hepatocellular carcinoma: a propensity score-matched retrospective cohort study
Hepatology international
project examined ecigarette use among elementary school es grades 7 8 secondary school ss grades 912 students ontario canada 2017 2019 relationships sociodemographic variables traditional cigarette use data came ontario student drug use health survey osduhs 2017 2019 sociodemographics included grade school performance sex race years canada living arrangements language spoken home ecigarette use cigarette smoking past year use 2017 greater percentage es males females used ecigarettes older students living one home smoking cigarettes ss students greater percentage older age higher grades living canada lives using english language home selfidentified white lower school performance multiple household living arrangements reported smoking traditional cigarettes reported using ecigarettes use lower among females 2017 063 95 ci 046 086 p 0002 2019 use higher among females resulted nonsignificant difference males females 091 95 ci 077 109 greater use ecigarettes found among students smoked traditional cigarettes compared smoke years monitoring trends patterns trajectories use variables related use needs continued may help inform development legislative educational measures