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PopDigests are short, comprehensive summaries of research results with a link to the original publication (if accessible online). This allows population experts and other interested audiences to be able to easily access information to the latest research results. 

Young and Old Woman
The combined impact of smoking, obesity and alcohol on national life expectancy levels and trends
Fanny Janssen (Netherlands Interdisciplinary Demographic Institute and University of Groningen), Sergi Trias-Llimós (London School of Hygiene & Tropical Medicine and Centre for Demographic Studies CED Barcelona) and Anton E. Kunst (University of Amsterdam) examined the individual and combined effects of smoking, obesity and alcohol not only on life expectancy levels but also on secular trends in life expectancy for 30 European countries. [...]
Pregnant woman with toddler
Does being conceived with help of medically assisted reproduction play a role?
Alice Goisis and Maria Palma (Centre for Longitudinal Studies, Social Research Institute, UCL) looked at parent-child relationships of individuals around the age of 14 in the UK. Their results suggest that differences between the medically assisted reproduction and natural conception families in terms of closeness and frequency of quarrelling are small, and generally not statistically significant. [...]
Elderly man picking up littter
Does post-retirement work constrain engagement in unpaid productive activities?
The transition to retirement has become increasingly diverse: some retirees leave the workforce entirely, while others continue to work. Working during retirement may, however, limit the time and opportunities for unpaid productive activities, such as volunteering, providing informal care, or looking after grandchildren. [...]
The role of the state, crisis management and global perceptions in changes to total fertility rates
Comolli and colleagues investigated the potential influence of economic recessions on total fertility rate in Nordic countries. They looked at the fertility histories and childbearing risk of native-born women in these countries between the late 1980s to mid-2010s. [...]
Caring for older parents does not lead to early exit from the labour market
Ariane Bertogg (University of Konstanz), Tiziana Nazio (WZB Berlin Social Science Center & University of Torino) and Susanne Strauß (University of Konstanz) use SHARE data to find that providing regular care to parents or parents-in-law is not associated with a higher likelihood of exiting the labour market. [...]
Does finding a partner online influence future family characteristics?
Using Pairfam data, Mirkka Danielsbacka (University of Turku), Antti O. Tanskanen (University of Turku) and Francesco Billari (Bocconi University) looked into whether meeting a partner online associated with different family-related outcomes than of those of who meet offline. [...]
A study by Melissa Bohnert and Pablo Gracia (Trinity College Dublin) asks whether engagement with digital media has been detrimental for the well-being of children, and whether the effects are the same for all children. [...]
Understanding the role of internal migration in shaping regional population change in Germany
Nico Stawarz and Nikola Sander from Germany’s Federal Institute for Population Research (BiB) use data on migration flows between 401 counties for the period 1991 to 2017 to study the impact of migration on regional population change since German Reunification. [...]
Do personal contacts matter?
Using data from the European EQUAL project on migrants in the southern Italian region of Calabria, Cremaschi and Devillanova (Bocconi University) found that having a higher number of personal contacts increases chances of obtaining regular legal status; native and/or family contacts were associated with a much greater effect. [...]
Comparing age-specific migration patterns and migration in central and peripheral municipalities
Liliya Karachurina and Nikita Mkrtchyan (National Research University Higher School of Economics, Department of Demography) looked at how age-specific migration patterns in Europe and the United States are reflected in Russia and compared the age profiles of net migration in central and peripheral municipalities. [...]