George Ploubidis
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georgeploubidis.bsky.social
George Ploubidis
@georgeploubidis.bsky.social

Prof of Population Health & Statistics at UCL @sriucl.bsky.social | Director of 1958NCDS & 1970BCS @clscohorts.bsky.social

Generational health drift | Lifecourse origins of adult health and mortality | Population mental health .. more

Psychology 35%
Public Health 23%
UCL @ucl.ac.uk · 1d
Today, UCL turns 200. 🎉 For two centuries, our community has opened doors, challenged convention and pushed the boundaries of knowledge across every discipline. Thank you to everyone who’s been part of the UCL story, here’s to the next century. ✨

#UCL200 #LoveUCL
📢 The CLS conference 2026, 22 – 23 September, London, will bring together researchers from across disciplines, institutions, sectors and career stages to showcase outstanding research using CLS cohort data. Deadline for submissions: Wednesday, 8 April. Further information: bit.ly/45SP3rO
Our findings highlight life-long inequalities in mental health by factors that are down to chance.
How mental health has changed in baby boomers and gen-X across their entire adulthoods
Our findings highlight life-long inequalities in mental health by factors that are down to chance.
tcnv.link
Users of survey data, lovers of DAGs, and general methodological enthusiasts, gather round!

I'm so excited to share this new paper, joint work with my brilliant colleagues @rjsilverwood.bsky.social, @pwgtennant.bsky.social, and Liam Wright.

🧵
How can the use of different modes of survey data collection introduce bias? An introduction to mode effects using directed acyclic graphs (DAGs)
Abstract. Survey data are self-reported data collected directly from respondents by a questionnaire or an interview and are commonly used in epidemiology.
academic.oup.com
📣 Announcing the CLS Conference 2026, celebrating 80 years of the UK’s cohort studies. Our call for papers is now open. All researchers using CLS cohort data are invited to submit and join us this September in London. Deadline for submissions: Wednesday, 8 April. More details: bit.ly/45SP3rO
UCL Centre for Longitudinal Studies Conference invites submissions from all researchers using @clscohorts.bsky.social data.

Conference: 22–23 September. Submissions by: 8 April. cls.ucl.ac.uk/events/cls-c...
CLS Conference 2026: call for papers now open | CLS
The CLS Conference 2026 will bring together researchers from across disciplines, sectors and career stages to showcase outstanding life course research using cohort data.
cls.ucl.ac.uk
📰 Hold the front page! CLS' @dominicpkelly.bsky.social is to join Longitudinal and Life Course Studies as section editor, with Larissa Pople and Liam Wright as associate editors – big news for CLS colleagues! @sllshome.bsky.social @bupjournals.bsky.social Find out more: bit.ly/49RmEDQ
New #NextStepsStudy research shows millennials who faced family financial hardship, parents’ separation or violence in the home during childhood are more likely to have mental health difficulties in their early 30s.

Read more on the CLS website - cls.ucl.ac.uk/childhood-ad...
Childhood adversity linked to later psychological difficulties | CLS
Millennials who faced family financial hardship, parents’ separation or violence in the home during childhood are more likely to have mental health difficulties in their early 30s.
cls.ucl.ac.uk
🚨Job alert!🚨

We are looking for a 🧮 quant postdoc researcher to join the AMAZING Jay Das-Munshi @jdasmunshi.bsky.social George Ploubidis @georgeploubidis.bsky.social & myself at @kingscsmh.bsky.social in collab with @clscohorts.bsky.social

All info: my.corehr.com/pls/kclrecru...

Closes 18 Nov!
my.corehr.com
🚨 NEW DATA! Data from the Age 9-10 Months Sweep of the Early Life Cohort Feasibility Study are now available to download from the @ukdataservice.bsky.social. Find out more on the CLS website: buff.ly/PPgvUTq
Date for the diary! Join us online next Thursday at 13:00 (UK time) to learn more about Growing Up in Digital Europe & feed into plans for the UK pilot. This new Europe-wide study will collect internationally comparable data on children’s wellbeing. More info: bit.ly/4pl4YHs @drlisac.bsky.social
GUIDE UK Stakeholder & Policy Engagement Webinar — GUIDE
We’d love for you to join our interactive webinar where we’ll bring together key voices from policy, research, and the third sector.
bit.ly
Women who were the first in their family to attend university are 40% more likely to have no children by age 46 than other women in their generation, finds new #1970BritishCohortStudy research led by @sriucl.bsky.social's @adameczanna.bsky.social

Read more on the CLS website: bit.ly/3H6OmlB
Baby boomers with private pensions and housing wealth were more likely to retire early, according to new research using data from the 1958 National Child Development Study #NCDS

Read more on the CLS website - bit.ly/3ZCLF1x
🚨New webinar! Join @rjsilverwood.bsky.social and Dr Liam Wright on Thursday, 27 February to learn about mode effects in the UK cohort studies and discover methods for handling them. Sign up now: https://buff.ly/41A9Cbe
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Data from the 1970 British Cohort Study Age 51 Sweep are now available to download from @ukdataservice.bsky.social

These new data offer opportunities for research on midlife and ageing, and for cross-cohort comparisons with earlier-born generations.

Read more: buff.ly/Lcl8IqK
✨ Have you booked yet? Join us for our free webinar NEXT WEEK introducing 1970 British Cohort Study data at age 51. Discover more about the experiences of generation X in midlife: cls.ucl.ac.uk/events/bcs70... #BSC70 #ageing
What data do you need from the next 1958 and 1970 British cohort study surveys? Take part in our consultation to inform the questions on topics, including family, finances and health at ages 68 and 56. Submit an idea and / or sign up to a consultative event: buff.ly/6BJd0WD
And don’t miss the recording of last week’s webinar, which takes you through the key highlights of the data. Watch here: bit.ly/4lG6UrP
🎉 News from the 1958 National Child Development Study! Data from the Age 62 Sweep are now available to download from the @ukdataservice.bsky.social. This is the most comprehensive data collection of the cohort’s adult lives.

Find out more: bit.ly/4lIwpJa

A huge loss for UCL, IOE and SRI, but very happy for Ozan. Can’t wait to find out about the new adventures
We had our farewell to @aksoyundan.bsky.social at UCL yesterday!

Ozan has been such a big part of our journey, from building our Quant Sociology group to being an incredible mentor and collaborator along the way.

We’ll miss his presence & humour a lot, but we’re excited to see what he does next 👀
Today I presented my work on data from the @unicefinnocenti.bsky.social Disrupting Harm survey at #IPC2025 in Brisbane! It was a great opportunity to engage with other researchers interested in investigating youth mental health in the population.

Preprint: osf.io/preprints/ps...
🔎 Important new research featured today in @thetimes.com and on the BBC World Service draws on Next Steps Study data to explore whether parenthood impacts millennials’ mental health.

Read more on The Times website: bit.ly/44Rskez
Listen to the BBC World Service Newsroom programme: bit.ly/40Xr0W5
Nothing says “please don’t attrit” like a well-timed birthday card. Learn this and other tricks from our stellar cohort studies team!
Another packed day coming up at the @esrasurvey.bsky.social ESRA 2025 conference. Come chat to our friendly team about sending birthday cards as part of your participant engagement strategy!

You can find the full list of #ESRA25 speakers here: bit.ly/4eM3JMu

@rjsilverwood.bsky.social
We have a ✨NEW PREPRINT✨! Using data from the @clscohorts.bsky.social Millennium Cohort Study and linked healthcare records, we tested the association between social media use and psychiatric diagnoses in secondary care in young people in England. This is still a work in progress - feedback welcome!
Characterising the longitudinal relationship between social media use and psychiatric diagnoses in secondary care in adolescents in England: https://osf.io/87cze
Characterising the longitudinal relationship between social media use and psychiatric diagnoses in secondary care in adolescents in England: https://osf.io/87cze
🧸 We're bear-y excited to introduce our new companion, who will be coming with us to @esrasurvey.bsky.social 2025 Conference next week. Sadly this little bear doesn't have a name yet – what should we call him? Post your ideas below and the winning name will be announced on Friday, 18 July. #ESRA25
Register for our latest webinar to explore the rich new data from the Age 62 Sweep of NCDS, to be released imminently. Join us on Thursday, 17 July from 1–2pm to discover how lifelong factors affect retirement and ageing.

Book now 👉 buff.ly/vpvsEUI

😂

Επικό φιλοσοφικό δοκίμιο όπως πάντα, αλλά JAMC καλύτερο το Head On ξεκάθαρα (αν και το 2004 στη Μαλακάσα πρέπει να με μίσησαν όλοι γύρω μου όταν το έπαιξαν οι Pixies).