The study did not have a protocol. The baseline data collection for this study did not require ethical approval. For the follow-up mortality data collection, we received a statement from the ethics committee of the University Medicine Greifswald stating that i…

This study was exempt from institutional review board approval because the data used in this secondary analysis are de-identified and publicly available. Lian Q, Yu C, Tu X, Deng M, Wang T, Su Q, et al. (2021) Grade repetition and bullying victimization in ado…

This study only used pre-existing anonymous survey data, and no further ethical approval was deemed necessary. Ismail S, Odland ML, Malik A, Weldegiorgis M, Newbigging K, Peden M, et al. (2021) The relationship between psychosocial circumstances and injuries i…

Addressing school violence and bullying is essential in order to achieve the Sustainable Development Goals (SDGs), in particular SDG 4, which aims to ensure inclusive and equitable quality education and promote lifelong learning opportunities for all, and SDG …

It is important to address health literacy of children and adolescents as a health and education target early in the life-course (1). WHO recognizes health literacy as an asset for children’s personal, social and cultural development (2). Health literacy is an…

The YRBS in 1993–2015 was used to assess whether students carried guns by asking “During the past 30 days, on how many days did you carry a gun?” We dichotomized this question to flag those students who carried a gun on at least 1 day during the 30 days before…

This study followed the Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) reporting guideline for cross-sectional studies. doi:10.1001/jamapediatrics.2021.3512 JD自营:SCI文章词汇比较应用

Importance Many children and adolescents in the United States are exposed to neighborhood gun violence. Associations between violence exposure and children’s short-term mental health are not well understood. Objective To examine the association between neighbo…

We also performed 2 sensitivity analyses. The first sensitivity analysis accounted for differences in ... The second sensitivity analysis examined whether ... Comparison of Estimated Rates of Coronavirus Disease 2019 (COVID-19) in Border Counties in Iowa Witho…

Data analyses were conducted with Stata/SE version 16.0 (StataCorp). Statistical significance was set at P < .05, and all tests were 2-tailed. Comparison of Estimated Rates of Coronavirus Disease 2019 (COVID-19) in Border Counties in Iowa Without a Stay-at-…