Xianfang C. Liu

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The authors studied a sample of 537 Chinese medical students aged 15–21 years using Zung's Self-Rating Anxiety Scale (SAS) and a life events checklist. The results showed that test pressure, less free time, peer competition, failure in a test, and financial problems were the most common stressful experiences for medical students during the previous 12(More)
Previous reports on the prevalence and features of depression among adolescents have been inconsistent. The purpose of the current study was to estimate the prevalence of depression among Chinese adolescents with a standardized instrument. A total of 2462 students, aged 13–22, were sampled from the Shandong province of China. The Zung Self-Rating Depression(More)
A substantial proportion of injuries worldwide are attributable to alcohol consumption, and US estimates indicate that the drinking patterns of racial/ethnic groups vary considerably. The authors reviewed evidence from 19 publications regarding racial/ethnic differences in overall alcohol-attributable injury as well as percent blood alcohol content(More)
BACKGROUND In Canada, private purchase of human papilloma virus (HPV) vaccines has been possible since 2006. In Alberta, Canada, a publicly funded quadrivalent HPV vaccine program began in the 2008/2009 school year. There have been concerns about adverse events, including venous thromboembolism (VTE) associated with HPV vaccines. We describe the frequencies(More)
BACKGROUND Herpes zoster vaccine (HZV) is not publicly funded in the province of Alberta, Canada. We estimated vaccine coverage among those aged 60 years or older for 2013, as well as vaccine utilization rates per hundred thousand population over the period 2009 - 2013. We explored for factors associated with HZV dispensing rates. METHODS We used(More)
BACKGROUND In Canada both bivalent (bHPV) vaccine and quadrivalent HPV vaccine (qHPV) are authorized for use. In Alberta, while both vaccines are available for private purchase, only qHPV is publicly funded for school girls in grades 5 and 9 as of 2013. We describe HPV vaccine uptake in Alberta, by school year, from the start of the publicly funded program(More)
BACKGROUND Excessive alcohol use in adolescence can be detrimental to health and academic performance. Few studies consider the moderating effects of parental and peer influence within the context of adolescent work outside of the school environment. This study aims to examine work stress among adolescents and the association with alcohol use and(More)
BACKGROUND We describe the epidemiology of pertussis in Alberta, Canada by person, place, and time between 2004 and 2015, identify outbreak years, and examine vaccination coverage and vaccination timeliness. METHODS We used health data from Alberta's Communicable Disease Registry System for the period of January 1, 2004 through August 31, 2015 to identify(More)
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