Enhancing the QUAlity and Transparency Of health Research

EQUATOR resources in German | Portuguese | Spanish

STRATOS initiative


The STRATOS (STRengthening Analytical Thinking for Observational Studies) initiative has been set up to develop accessible and accurate guidance in the design and analysis of observational studies.

The STRATOS website (http://www.stratos-initiative.org/) has been launched recently. The website provides more details about the group and its plans.


Sauerbrei W., Abrahamowicz M., Altman D. G., Cessie S., Carpenter J., on behalf of the STRATOS initiative (2014), STRengthening Analytical Thinking for Observational Studies: the STRATOS initiative, Statist. Med., doi: 10.1002/sim.6265

News archive

Email newsletter

Newsletter archive

Please complete the form below to sign up to receive our newsletters (view our privacy and data protection policy notice)

* indicates required

Latest guest blogger

  • Why did we develop TIDieR-Placebo?

    The TIDieR reporting guideline helps authors fully report their interventions, so that they can be used by others. However, TIDieR only explicitly covers active interventions, not placebo controls. The developers of the new TIDieR-Placebo extension explain why it is needed Read More