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This study is not without limitations.

2020年8月22日 2291点热度 0人点赞 0条评论

This study is not without limitations.

First, these data cannot explain underlying reasons for

Second,

Third, it is unknown whether has changed during the study period.

Fourth,

出处:Trends in Suicide Among Youth Aged 10 to 19 Years in the United States, 1975 to 2016.JAMA Netw Open. 2019;2(5):e193886. doi:10.1001/jamanetworkopen.2019.3886

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最后更新:2020年8月22日

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The study used existing publicly available and deidentified data The Stanford institutional review board deemed this study exempt as it uses deidentified, administratively collected data. The HPS contains the Patient Health Questionnaire-4 (PHQ-4), a well-established and validated screening tool for anxiety and depression. HPS public-use files were used to construct the analytic sample. School of Public Health Institutional Review Board deemed this study exempt. Several study limitations should be acknowledged. Ethical approval was not sought as the data were already publicly available online. We checked the robustness of our findings The aim of this study was twofold. This systematic review and meta-analysis includes previously published observational studies. This indicated there was no requirement for proceeding to a full formal ethics and data protection review by the Usher Research Ethics Group. No overall prospective analysis plan was used. Complete case analyses were used. Study approval was received from Institutional Review Boards (IRBs) of the primary research institution These findings must be interpreted in light of several limitations
No protocol approval was needed for this study The baseline data collection for this study did not require ethical approval. This study is subject to certain limitations. The IRB at the University of Massachusetts Medical School reviewed the protocol and exempted it from the full committee review WHO recognizes health literacy as an asset for children’s personal, social and cultural development We excluded those with missing data for the primary exposure Data analyses were conducted with Stata/SE version 16.0 We are aware of only a few previous studies on this topic approval from an Institutional Review Board was not necessary The HPS contains the Patient Health Questionnaire-4 (PHQ-4), a well-established and validated screening tool for anxiety and depression. The data analysis had been planned in advance of the data gathering Reductions in indoor tanning could be attributed to several factors. Data for the NHIS analyses were weighted using the final person weights Student consent was assumed with the completion of the questionnaire. Complete case analyses were used.

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