Cohort Profile: The Norwegian Life Course, Ageing and Generation Study (NorLAG)
Peer reviewed, Journal article
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Original versionInternational Journal of Epidemiology. 2021, (1-11). https://doi.org/10.1093/ije/dyaa280
The Norwegian Life Course, Ageing and Generation Study (NorLAG) was set up to gain new and updated knowledge on ageing and age-related changes in Norway. The nationwide, population-based study includes information on core life domains for 11 028 men and women born between 1922 and 1966. NorLAG combines longitudinal survey data from three waves (2002, 2007 and 2017) with secondary annual data from the public registers that provide time series on financial information, civil status and educational attainment for up to 50 years (1967 to 2017). NorLAG1 comprises 5555 respondents aged 40 years and older at the time of interview, the expanded NorLAG2 sample counts 9238 respondents (including 68% of the NorLAG1 participants) and NorLAG3 includes a total of 6099 respondents (aged 50–95). Topics covered include health and care, wellbeing and mastery, work and retirement, and family and intergenerational relationships. Information on context, timing of events and close family enables the construction of interdependent trajectories and pathways for men and women from mid-life to old age. Access to the NorLAG data is facilitated through the national research infrastructure ACCESS Life Course. Data are available via the online portal at [https://norlag.nsd.no], hosted by Norwegian Social Research at Oslo Metropolitan University and the Norwegian Centre for Research data.