BACKGROUND Physical activity (PA) levels are problematic in lower-educated working young adults (18-26 years). To promote PA, smartphone apps have great potential, but there is no evidence for their effectiveness in this population. To increase the likelihood that a newly developed app will be effective, formative research and user testing are required. OBJECTIVE The aim of this study was to ...

The effect of the socioeconomic characteristics in one generation on the socioeconomic achievement of the next generation is the central concern of social stratification research. Researchers typically address this issue by analyzing the associations between the characteristics of parents and offspring. This approach, however, focuses on observed parent-offspring pairs and ignores that changes ...

What drives stated preferences about the number of foreigners? Is it self-interest as stressed by the political economy of immigration? Does social interaction affect this preference or is the immigration preference completely in line with the preference for the aggregate population size? In this paper we distinguish each of these categories and show for the case of the Netherlands that each of...

This article introduces us to the complexities of conducting social scientific research in a major urban disaster zone and reports on results from the most systematic survey at the time aimed at tracking the whereabouts of pre-Katrina residents during the first year of recovery, the Displaced New Orleans Residents Pilot Survey. This survey drew an area-probability sample of pre-Katrina resident...

Using data from the Fragile Families and Child Wellbeing study and the Current Population Survey, we find that labor market conditions play a large role in explaining the positive relationship between educational attainment and marriage. Our results suggest that if loweducated parents enjoyed the same, stronger labor market conditions as their more-educated counterparts, then differences in mar...

We describe trends in maternal employment and leave-taking after birth of a newborn and analyze the extent to which these behaviors are influenced by parental leave policies. Data are from the June Current Population Survey (CPS) Fertility Supplements, merged with other months of the CPS, and cover the period 1987 to 1994. This time span is one during which parental leave legislation expanded a...

The demographic and education composition of European countries is changing: the population share of young individuals is declining while that of the highly educated is rising. This paper estimates the impact of cohort size on wages using data on 21 European countries covering 2007-2010 to cast light on the economic consequences of changes in the profile of the labour force. The effect of cohor...

Peers, Neighborhoods and Immigrant Student Achievement: Evidence from a Placement Policy Immigrants typically perform worse than other students in the OECD countries. We examine to what extent this is due to the population characteristics of the neighborhoods that immigrants grow up in. We address this issue using a governmental refugee placement policy which provides exogenous variation in the...

BACKGROUND The health of elderly population in the world has been an important issue in recent century and the use of appropriate or inappropriate medications is challenging among them. The purpose of this study was to assess the pattern of medication in elderly population in Amirkola, northern of Iran. METHODS This study was conducted on 1534 elderly subjects who participated in Amirkola Hea...