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Posts by Onyi Arah, MD, DSc, PhD

Splashdown! Theee parachutes

Splashdown! Theee parachutes

A perfect splashdown! Thank God! #ArtemisII

1 week ago 77 14 0 2

😂😬

2 weeks ago 1 0 0 0
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Privacy and Security Throughout the Health Data Life Cycle: From Primary Care to Research Networks Health data are increasingly generated, shared, and analyzed across an ever-growing collection of settings. While these developments enable new forms of biomedical discovery and clinical decision supp...

Privacy & Security Throughout the Health Data Life Cycle: From Primary Care to Research Networks www.annualreviews.org/content/jour... #healthcare #bioinformatics #data #privacy #security

3 weeks ago 3 1 0 0
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Theory for Identification and Inference with Synthetic Controls: A Proximal Causal Inference Framework Synthetic control (SC) methods are commonly used to estimate the treatment effect on a single treated unit in panel data settings. An SC is a weighted average of control units built to match the tr...

www.tandfonline.com/doi/full/10....

#causalsky #causalinference #StatsSky

4 weeks ago 1 0 0 0
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Individualized Dynamic Mediation Analysis Using Latent Factor Models Mediation analysis plays a crucial role in causal inference as it can investigate the pathways through which treatment influences outcome. Most existing mediation analysis assumes that mediation ef...

www.tandfonline.com/doi/full/10....

#CausalSky #causalinference #statssky

4 weeks ago 1 0 0 0
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Courses

#EpiSky #CausalSky #PublicHealth

Summer School with me (teaching Applied Sensitivity Analysis) and others? Check this out:

sse.sph.umich.edu/courses/

2 months ago 10 3 1 0

I’m tired of settling for less

1 month ago 3 0 0 1
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Tracking the perinatal health benefits of cleaner transportation In the January 2025 issue of International Journal of Epidemiology, Hystad and colleagues [1] contribute new evidence on the perinatal health benefits of r

academic.oup.com/ije/article/...

#CleanerTransportation #EpiSky #PublicHealth #Perinatal

1 month ago 3 2 0 0
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The effect of SARS-CoV-2 testing on healthcare-seeking behaviour at primary care level AbstractBackground. Diagnostic self-testing for SARS-CoV-2 may lead to selection bias in test-negative case–control designs (TND) for COVID-19 vaccine effe

academic.oup.com/ije/article/...

#EpiSky #COVID19 #CausalSky #causalinference

1 month ago 2 4 0 0

‼️‼️

1 month ago 0 0 0 0
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Royal Statistical Society Publications Summary. Conventional analytic results do not reflect any source of uncertainty other than random error, and as a result readers must rely on informal judgments regarding the effect of possible bias...

So does this one:

rss.onlinelibrary.wiley.com/doi/abs/10.1...

#causalsky #causalinference

1 month ago 2 0 1 5
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Bayesian perspectives for epidemiologic research: III. Bias analysis via missing-data methods Abstract. I present some extensions of Bayesian methods to situations in which biases are of concern. First, a basic misclassification problem is illustrat

This paper on Bayesian perspectives for bias analysis comes to mind: academic.oup.com/ije/article-...

1 month ago 2 0 1 0

This recent RCT of an "AI stethoscope" claims the technology "shows promise" for diagnosing cardiovascular conditions.

It does not.

It is a textbook example of the risks of conducting unprincipled 'per protocol analyses'. Once again, peer review at a major medical journal has failed.

🧵 1/

1 month ago 436 187 8 33

You should do a letter to the editor about this! If they refuse to accept it, try another journal.

1 month ago 2 0 0 0
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Best practices for moving from correlation to causation in ecological research - Nature Communications Different scientific traditions offer seemingly disparate approaches to inferring causal relationships in ecological systems. This Perspective unifies the causal assumptions and methods from...

Excited to share our new paper in @natcomms.nature.com We synthesize causal discovery & inference approaches across traditions (regression adjustment, quasi-expts, SEMs, Granger causality, convergent cross-mapping, and more) into a unified workflow for ecologists. www.nature.com/articles/s41...

1 month ago 165 64 3 6

I can

2 months ago 1 0 0 0
Yellow, green and red colored book cover of John Green’s EVERYTHING IS TUBERCULOSIS: THE HISTORY AND PERSISTENCE OF OUR DEADLIEST INFECTION

Yellow, green and red colored book cover of John Green’s EVERYTHING IS TUBERCULOSIS: THE HISTORY AND PERSISTENCE OF OUR DEADLIEST INFECTION

Enjoying this powerful book #EverythingIsTB by @johngreensbluesky.bsky.social

My birthday 🎁 from someone special who remembered my days as a physician in Africa

Fight #Tuberculosis

#PublicHealth matters!

2 months ago 5 1 2 0
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😂

2 months ago 0 0 0 0
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Ten-year findings from the Puberty Cohort: a sub-cohort within the Danish National Birth Cohort AbstractBackground. The age of puberty is declining. Earlier puberty has major implications due to associations with later physiological and psychiatric mo

Ten years of research within the unique DNBC Puberty Cohort has identified several prenatal and childhood biological and psychosocial factors associated with earlier puberty

#EpiSky #Lifecourse #PublicHealth

academic.oup.com/ije/article/...

2 months ago 6 0 0 0
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Rethinking Economics, the movement changing how the subject is taught Born of student disquiet after the 2008 crash, the group says it is reshaping economists’ education

"“By demanding that economics education should be more pluralist, more ethically conscientious, more historically aware, and more oriented towards the real world, Rethinking Economics has exposed the staggering deficiency in the way economists are educated..." www.theguardian.com/environment/...

2 months ago 25 6 0 2

Worth expanding to a multi-perspective view from employers, graduates, epi program directors & faculty, etc. We would want to hear from epidemiologists in government, industry, etc.

2 months ago 2 1 1 0
Summer Session in Epidemiology at University of Michigan. Apply online at SUMMEREPI.ORG

Summer Session in Epidemiology at University of Michigan. Apply online at SUMMEREPI.ORG

2 months ago 1 0 0 0
Preview
Courses

#EpiSky #CausalSky #PublicHealth

Summer School with me (teaching Applied Sensitivity Analysis) and others? Check this out:

sse.sph.umich.edu/courses/

2 months ago 10 3 1 0
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Gladys Mae West obituary: mathematician who pioneered GPS technology She made key contributions to US cold-war science despite facing huge barriers as a Black woman.

No joke: I got angry hate mail today for writing an obituary of a Black woman scientist—because the person felt she did didn’t deserve the recognition.

Which just makes me want to share it again: www.nature.com/articles/d41...

2 months ago 48307 19770 1367 809
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Whose ethics govern global health research? Ethical research must not exploit scarcity as an experimental variable.

"Ethical research requires that participant safety remains central, not subordinate to hypothesis testing....Vulnerability should never be seen as an opportunity to advance research at the expense of those it claims to serve." @natureportfolio.nature.com
www.nature.com/articles/d41...

2 months ago 86 26 5 0
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😂 I‘m sure I’m just as old/young as Richard. Just happened to become an MD before doing a PhD.

2 months ago 1 0 0 0

I was also taught MLM by Goldstein and later Joop Hox

2 months ago 2 0 0 0

I was in medical training in the 90s 😊

2 months ago 1 0 1 0

#EpiSky #Pregnancy #COVID19 #Vaccine #EHR #ClaimsData

2 months ago 0 0 0 1