Belinda Agyapong, Raquel da Luz Dias, Yifeng Wei, Vincent Israel Opoku Agyapong
Burnout among elementary and high school teachers in three Canadian provinces: prevalence and predictors
Frontiers in public health
mobikids casecontrol study wireless phone use brain tumor risk childhood adolescence included age group 1024 years diagnosed 2010 2015 overall increased risk found although brain tumors temporal region increased risk found age groups 1014 2024 years odds ratios ors mobikids 10 statistically significant suggestive preventive effect rf radiation however contrast current knowledge radiofrequency rf carcinogenesis mobikids results biologically plausible indicate study flawed due methodological problems example brain tumor cases included since central localization excluded instead brain tumor cases included regardless histopathology anatomical localization surgical controls appendicitis used instead populationbased controls geographical area cases fact increased incidence appendicitis postulated associated rf radiation makes selection control group mobikids questionable start wireless phone use 10 years diagnosis analyses included unexposed group thus important results demonstrating late carcinogenesis promoter effect omitted analysis may underestimate true risks linear trend analyses statistically significant calculation rfspecific energy extremely low frequency elfinduced current center gravity tumor additional casecase analysis performed data study reanalyzed using unconditional regression analysis adjusted potential confounding factors increase statistical power responding cases controls could included analyses sum believe results reported paper seem uninterpretable dismissed