The YRBS protocol was approved by the Centers for Disease Control and Prevention institutional review board. Participation in the survey was anonymous and voluntary, and local parental permission procedures were used. Student consent was assumed with the compl…
The IRB at the University of Massachusetts Medical School reviewed the protocol and exempted it from the full committee review because the publicly available data contained no personal identifiable information on survey participants. 出处：Soni A, Fahey N, Bhutta…
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…
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
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-…
All GSHS surveys were approved in each country by both a national government administrative body and an institutional review board or ethics committee. Verbal or written consent was also obtained from the participants and their parents. Unintentional injuries …