The Common Cold Project

Infected individuals drive infectious disease transmission, yet empirical data on social interactions during acute infection remain limited. We conducted a prospective longitudinal study of 1,000 medi...

AbstractObjectives. Sociological theory posits that social networks function as enduring relational structures that constrain and enable everyday social in

AbstractObjectives. Prior research often reports geographic cognitive health disparities in later life, including across rural-urban contexts. Yet few stud

AbstractObjectives. Rural residents are believed to experience greater social isolation than their urban counterparts. This isolation is typically attribut

AbstractObjective. The Social Environment and Cognitive Health in Urban and Rural Areas study was designed to examine cognitive health disparities in later

Supportive social relations are crucial to wellbeing as young adults transition to independence, especially when these transitions are impeded by limited employ...

Adolescent mental health problems are a major public health concern in high, medium and low-resource settings where formal mental health services experience a range of treatment and care gaps. Social ...

This page lists publications based on KINMATRIX data. If you have published a paper based on our data, please let us know. Published Papers Last published: Leopold, T. & Kalmijn, M. (2026): Kinship in...

Objective This study presents initial results from the KINMATRIX survey, a large-scale source of ego-centric network data offering an unprecedented level of scope and detail in mapping family relati...

IntroductionThe data protocol presented here stems from a study investigating the role of social networks in shaping health-risk behaviors in a small Lombard...

AbstractObjectives. Aging populations will increasingly need care, much of this provided informally particularly in rural areas and in low and middle-incom

AbstractBackground and Objectives. Caregiving for older adults falls disproportionately on women and family members, but little research addresses how gend

Theorizations of social exchanges often assume that people prefer interactions with supportive others but avoid others they perceive as demanding or d…

Scientific Reports - Distinct social network structures and their cognitive and psychological correlates

Social connectedness plays a vital role in cognitive health for rural adults, a population at heightened risk for Alzheimer's disease and related dementias (ADRD). We reviewed 39 primary studies exa.....

Social relationships are a critical factor in healthy aging, and the structure and composition of older adults’ social networks relate to cognitive health. However, whether characteristics of personal...

The convoy model posits that continuity and lack of turnover in ties is key for good mental health in older adulthood. However, this proposition is rarely tested with data on the addition and loss of ...

Changing family structures, nuclearization and urbanization are reshaping the socialization and support networks of older adults. Smaller families and migration reduce direct care and engagement oppor...

Background Family caregivers are central to the care of older adults living with dementia, particularly in African contexts where formal care services are scarce. Dementia caregiving is complex and un...

Different peers influence different behaviors: Conformity to best friends and status-based norms across the transition into adolescence

The way a problem is framed shapes its solutions. This article reframes the problem of misinformation and examines the implications of this shift for interventi...

The psychological well-being of young adults is a growing concern in the United States. Social networks, comprising relationships that provide various types of support, are crucial predictors of th...

Adolescents are especially vulnerable to misinformation but also possess unique strengths. This Perspective outlines a forward-looking research agenda to understand these vulnerabilities and foster re...

Journal of Youth and Adolescence - Parents and friends are critical social influences on adolescents’ academic achievement, yet how they function together within dynamic friendship networks...

IntroductionLoneliness has received attention in recent years as an important public health issue due to its associations with poorer mental and physical hea...

Researchers and practitioners rely on randomized controlled trials (RCTs) to make causal inferences. However, most people who participate in RCTs are …

Abstract. Bottom-up theory demonstrates that networks of actors play important roles in policy implementation, yet limited attention has so far been paid t

Myriad barriers impede women's access to contraception in Uganda and affect their reproductive autonomy. Almost half of married women of reproductive …

Early testing of infants exposed to HIV can significantly decrease mortality for those linked to HIV treatment. Infants exposed to HIV should first be tested at 6 weeks of age, but only 60% are tested...