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A growing number of studies use data before and after treatment initiation in groups exposed to different treatment strategies to estimate “causal effects” using a ratio measure called the prior event rate ratio (PERR). Here, we offer a causal interpretation for PERR and its additive scale analog, the prior event rate difference (PERD). Read the paper at https://academic.oup.com/aje/article/190/1/

https://www.lupop.lu.se/article/causal-interpretation-rate-change-methods-prior-event-rate-ratio-and-rate-difference - 2025-11-09

The coronavirus disease 2019 (COVID-19) pandemic and the coming transition to a postpandemic world where COVID-19 will likely remain as an endemic disease present a host of challenges and opportunities in epidemiologic research. Read the paper at https://academic.oup.com/aje/article/190/1/17/5874603

https://www.lupop.lu.se/article/what-now-epidemiology-wake-pandemic - 2025-11-09

Suppose that an investigator wants to estimate an association between a continuous exposure variable and an outcome, adjusting for a set of confounders. If the exposure variable suffers classical measurement error, in which the measured exposures are distributed with independent error around the true exposure, then an estimate of the covariate-adjusted exposure-outcome association may be biased. R

https://www.lupop.lu.se/article/reducing-bias-due-exposure-measurement-error-using-disease-risk-scores - 2025-11-09

In aspiring to be discerning epidemiologists, we must learn to think critically about the fundamental concepts in our field and be able to understand and apply many of the novel methods being developed today. We must also find effective ways to teach both basic and advanced topics in epidemiology to graduate students, in a manner that goes beyond simple provision of knowledge. Read the paper at ht

https://www.lupop.lu.se/article/simulation-tool-teaching-and-learning-epidemiologic-methods - 2025-11-09

Factorial Mendelian randomization is the use of genetic variants to answer questions about interactions. Although the approach has been used in applied investigations, little methodological advice is available on how to design or perform a factorial Mendelian randomization analysis. Read the paper at https://academic.oup.com/ije/article/49/4/1147/5542600?rss=1

https://www.lupop.lu.se/article/factorial-mendelian-randomization-using-genetic-variants-assess-interactions - 2025-11-09

Unmeasured confounding can bias the relationship between exposure and outcome. Sensitivity analyses generate bias-adjusted measures but these are not much used; this may change with the availability of the E-value (for evidence for causality in observational studies), appealing for its ease of calculation. Read the paper at https://academic.oup.com/ije/article/49/5/1509/5913108

https://www.lupop.lu.se/article/bias-factor-maximum-bias-and-e-value-insight-and-extended-applications - 2025-11-09

We illustrate the method and some potential choices using data from England for men diagnosed with melanoma. Various marginal measures are presented and compared. Read the paper at https://academic.oup.com/ije/article/49/5/1614/5896134

https://www.lupop.lu.se/article/reference-adjusted-and-standardized-all-cause-and-crude-probabilities-alternative-net-survival - 2025-11-09

The PhD position is linked to the research project The long reach of the neighborhood: Health, education and earnings in Landskrona, Sweden, 1904-2015, funded by Handelsbankens forskningsstiftelser. The PhD student will work in this project in collaboration with other project members and will be affiliated with the Centre for Economic Demography at LUSEM (CED, www.ed.lu.se). Read more and apply he

https://www.lupop.lu.se/article/phd-position-economic-history-neighborhood-effects-over-life-course - 2025-11-09

Find out how GDPR will affect you and your research! More information, including programme, here.

https://www.lupop.lu.se/article/gdpr-event - 2025-11-09

This paper describes the multiform, wave-missing and two-method designs, including their benefits, their impact on bias and power, and other factors that must be taken into consideration when implementing them in an epidemiological study design. Read the paper at https://academic.oup.com/ije/article/49/5/1702/5827680

https://www.lupop.lu.se/article/reflection-modern-methods-planned-missing-data-designs-epidemiological-research - 2025-11-09

Pga Corona kan vi endast ta 15 personer per visning. Biljetter till visningar köpes i Butik Botan före visningar. Lunchvisningar kl 12:15-13:00, kostnad 60 kr. 7/10 Frukt av alla slag 4/11 Ett besök i regnskogen 2/12 Julens växter och frön Seniorvisningar kl 11:15-12:00, kostnad 40 kr. 14/10 Kryptogamer 11/11 Tillbaka till rötterna 9/12 Julens växter och frön  

https://www.botan.lu.se/artikel/visningar-host-och-vinter-2020 - 2025-11-09

En vänförening, "Botans vänner", har bildats och söker medlemmar. Föreningen ska främja trädgården, stödja forskning kring botanik och verka för folkbildning.På Botans vänners webbplats kan du läsa mer. 

https://www.botan.lu.se/artikel/ny-vanforening-till-botaniska-tradgarden - 2025-11-09

En kompost är som en mångmiljonstad som sjuder av liv och aktivitet! Men hur får man egentligen den att fungera? Kleopatra införde redan på sin tid dödsstraff för utförsel av kompostmaskar.. Följ med botanisten Julia Borg och trädgårdsteknikern Katarina Löthman-Kaliff på en tur i Botaniska trädgården och få kunskap och inspiration till din egen mångmiljonstad! 3 november kl 12:15-13:00 Är du över

https://www.botan.lu.se/artikel/kompost-guidad-visning - 2025-11-09

Long-term effective methods are needed to curb the negative effects of coastal erosion. Within the LIFE Coast Adapt project, researchers from Lund University, together with officials from Region Skåne and several coastal municipalities in Skåne, have tested various nature-based methods to contribute to a practice in the field. The project has now come to an end with promising results. In the LIFE

https://www.cec.lu.se/article/collaboration-led-methods-can-protect-our-coastal-environments-erosion - 2025-11-10

The city of Cali, in Colombia, is hosting the UN’s 16th biodiversity summit, known as Cop16. The summit, which runs until Friday, November 1, is focused on how countries will fulfil previous pledges to protect at least 30% of the world’s land and water and restore 30% of degraded ecosystems by 2030. It’s a noble aim, yet Colombia itself shows just how far we have to go. If you travel south east fr

https://www.cec.lu.se/article/colombia-hosts-un-biodiversity-summit-its-own-amazonian-rainforest-crisis - 2025-11-10

What were the main outcomes of the UN Biodiversity Conference COP16 and what happened behind the scenes? Here are key takeaways from our webinar with negotiators, researchers, NGOs and other experts. On 21 November, some 150 people tuned into the webinar Post COP16 analysis: From biodiversity commitments to action. The event was co-organized by SIANI, Focali, Stockholm Environment Institute, WWT,

https://www.cec.lu.se/article/post-match-analysis-cop16-learn-what-happened-and-why-it-matters - 2025-11-10

Bioenergy plays a vital role in the transition to a fossil-free society. However, the "unused" agricultural land, so-called marginal land, deemed suitable for bioenergy cultivation in southern Sweden is practically nonexistent, according to a new study from Lund University. Much of the land is already in use, for example, for horse grazing. "Our study shows that the potential for bioenergy product

https://www.cec.lu.se/article/land-identified-crucial-swedish-bioenergy-already-occupied-new-study-shows - 2025-11-10

Lund University has achieved third place globally in the QS Sustainability Rankings, according to a press release issued by the university on Tuesday. The QS World University Rankings: Sustainability evaluates approximately 1,750 institutions worldwide on their contributions to sustainable development. Lund University ranks first in Sweden, second in Europe, and third globally. Henrik Smith, Profe

https://www.cec.lu.se/article/henrik-smith-systematic-efforts-behind-lund-universitys-top-sustainability-ranking - 2025-11-10

With his cycling helmet perched on his head, he rushes in like a whirlwind, fires off monosyllabic replies to emails and then asks thoughtful questions during meetings while simultaneously managing to work away on his computer. For Henrik Smith, life moves at a hundred miles an hour. But he is also a lauded professor with an awful lot to do. Henrik Smith, you see, wants to save the world. Has he g

https://www.cec.lu.se/article/henrik-smith-visionary-who-never-slows-down - 2025-11-10

Lead, pesticides, brominated flame retardants, plastic additives, polychlorinated biphenyls (PCBs), and heavy metals. This is what researchers at Lund University in Sweden found when they collected dead hedgehogs to investigate the environmental pollutants found in urban environments. Previous research has investigated the presence of heavy metals in hedgehogs from other urban areas in Europe and

https://www.cec.lu.se/article/high-levels-environmental-pollutants-and-heavy-metals-hedgehogs - 2025-11-10