This study aimed to review the validity and/or reliability of light-intensity physical activity (LPA) questionnaires and identify the most suitable questionnaires for measurement of LPA in adults. Following the PRISMA-P 2020 guidelines, we searched MEDLINE, PsycINFO, CINAHL, Scopus, Embase, and MedNar. Only studies that targeted adults [greater…

We present three statistical methods for causal analysis in life course research that are able to take into account the order of events and their possible causal relationship: a cross-lagged model, a latent growth model (LGM), and a synthesis of the two, an autoregressive latent trajectories model (ALT). We apply them to a highly relevant…

Understanding the role of social policies in intergenerational transfers from old to young people is especially important in times of population aging. This paper focuses on the influences of social expenditures and social services on financial support and on practical help from older parents to their adult children based on the first two waves…

A small proportion of deaths result from the use of drugs with the intention to hasten death without an explicit request of the patient. Additional insight into its characteristics is needed for evaluating this practice. In the Netherlands in 2001, questionnaires were mailed to physicians that addressed the decision making that preceded their…

Data from the International Adult Literacy Survey (IALS) were analyzed to compare the incidence and volume of continuing education (CE) and training among adults in the following countries: Australia, Belgium, Canada, Ireland, the Netherlands, New Zealand, Poland, Switzerland, the United Kingdom, and the United States. The following were among the…