George Ploubidis

Does childhood mental health impact sleep in midlife? | CLS Mental health difficulties in childhood are linked to irregular sleep patterns in midlife, according to the 1970 British Cohort Study.

📢 New @ucl.ac.uk research finds people who experience mental health difficulties in childhood at ages 5-16 are more likely to have irregular sleep patterns at ages 46-48, with more reported to sleep less than six hours every night.

Read more on the CLS website 👉 buff.ly/4TdWrN0

1/ Has life expectancy fully recovered from the COVID-19 pandemic? In a new pre-print, we find that 31 of 34 high-income countries had still not returned to their expected life expectancy trajectories five years after the onset of the COVID-19 pandemic. www.medrxiv.org/content/10.6... #demography

Happy 80th Birthday Medical Research Council (MRC) National Survey of Health and Development (NSHD) - the world's longest running birth cohort study

Pensions and economic status among the 1958 birth cohort prior to reaching State Pension age

New research report for the Department for Work and Pensions 👇🏻

First we take Manhattan then we take Berlin

cls.ucl.ac.uk/wp-content/u...

One in four report financial difficulties in midlife | CLS A CLS briefing paper shows that more than a quarter of British adults in their early 50s are ‘just getting by’ or ‘finding it quite’ or ‘very difficult’ financially.

More than a quarter of British adults in their early 50s are ‘just getting by’ or ‘finding it quite’ or ‘very difficult’ financially, while two-thirds worry about how much money they will have to live on in retirement. Read more - bit.ly/3N2ISLA

The latest in this must-attend series is essential for anyone interested in analyses of administrative data (and our Millennium Cohort Study!). Register your place 👇

@rjsilverwood.bsky.social

Exciting research from @tommetherell.com 👇

The header of our article "Associations between early-life mental health and abnormal sleep duration in midlife: findings from a prospective cohort study in Great Britain" on the European Journal of Epidemiology website.

Delighted to share that our paper "Associations between early-life mental health and abnormal sleep duration in midlife: findings from a prospective cohort study in Great Britain" is now published in @springernature.com European Journal of Epidemiology! rdcu.be/e5rAK 👇

Gen Z more likely to live with parents in early 20s than previous generations | CLS More than two thirds of people in the UK are living with their parents at age 23, around three times higher than a generation of millennials when they were a similar age a decade ago.

🔎New research using data from the Age 23 Sweep of the Millennium Cohort Study shows gen Z are more likely to live with their parents in their early 20s than previous generations.

Read more on the CLS website: bit.ly/4tSafZh

What an amazing night 🌟We're so happy to be part of the #UCL200 celebrations

Training course: Causal Inference Using Cohort Data The aim of this three-day in person short course is to teach methods of causal inference with an emphasis on application. In our experience, many causal inference courses focus on specific methods wh

👉We are running a 3-day in-person course

"Causal Inference Using Cohort Data"

Dates: 20-22 Apr 2026

Presenters: Dr M Katsoulis (Associate Professor in Biomedical Statistics) & Dr L Wright (Lecturer in Statistics and Survey Methodology)

check here for more details www.ncrm.ac.uk/training/sho...

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

Graphic showing conference info and a photo of a mother and son

📢 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

Check our article in @uk.theconversation.com on our recent study on the long-term trajectories of mental ill-health in the 1958 and 1970 British birth cohorts and long-term inequalities in these

@clscohorts.bsky.social @georgeploubidis.bsky.social @jdasmunshi.bsky.social @kingscsmh.bsky.social

🌟Interested in mode effects? We're excited to see CLS colleagues @georgiatomova.bsky.social, @rjsilverwood.bsky.social and Liam Wright's work with @pwgtennant.bsky.social in this new paper on avoiding bias in survey data 👇

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 announcement with image of grandpa and primary age grandson.

📣 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

One woman and two men stand on steps of a white building holding a copy of an academic journal

📰 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

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.

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...

📢8 days to apply to this 2-year postdoc!📢

Join @jdasmunshi.bsky.social + @georgeploubidis.bsky.social + me to do research using data from @clscohorts.bsky.social and beyond, as well as linkages to health and administrative data, to examine population mental health inequalities over the life course!

🚨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!

Text saying New data release: Early Life Cohort Feasibility Study, Age 9-10 Months Sweep next to photo of crawling baby

🚨 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

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.

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

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

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

Senior businesswoman is doing paperwork in her stock factory. Big news! 1958 National Child Development Study Age 62 Sweep Data now available. Centre for Longitudinal Studies

🎉 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

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 👀

A huge loss for UCL, IOE and SRI, but very happy for Ozan. Can’t wait to find out about the new adventures

When we say global reach, we mean it. Including Brisbane. Especially Brisbane.