This study is maintained and distributed by the National Archive of Computerized Data on Aging (NACDA), the aging program within ICPSR. NACDA is sponsored by the National Institute on Aging (NIA) at the National Institutes of Heath (NIH).
Principal Investigator(s): Bengtson, Vern L., University of Southern California-Los Angeles
The Longitudinal Study of Generations (LSOG), initiated in 1971, began as a survey of intergenerational relations among 300 three-generation California families: grandparents (then in their sixties), middle-aged parents (then in their early forties), and grandchildren (then aged 15 to 26). The study broadened in 1991 and now includes a fourth generation, the great-grandchildren of these same families. The LSOG, with a fully elaborated generation-sequential design, allows comparisons of sets of aging parents and children at the same stage of life but during different historical periods. These comparisons make possible the investigation of the effects of social change on inter-generational solidarity or conflict across 35 years and four generations, as well as effects of social change on the ability of families to buffer stressful life transitions (aging, divorce and remarriage, higher female labor force participation, changes in work and the economy, and possible weakening of family norms of obligation), and the effects of social change on the transmission of values, resources, and behaviors across generations. The study also examines how intergenerational relationships influence individuals' well-being as they transition across the life course from early, to middle, to late adulthood. The LSOG contains information on family structure, household composition, affectual solidarity and conflict, values, attitudes, behaviors, role importance, marital relationships, health and fitness, mental health and well-being, caregiving, leisure activities, and life events and concerns. Demographic variables include age, sex, income, employment status, marital status, socioeconomic history, education, religion, ethnicity, and military service.
These data are freely available.
Bengtson, Vern L. Longitudinal Study of Generations, 1971, 1985, 1988, 1991, 1994, 1997: [California]. ICPSR04076-v1. Ann Arbor, MI: Inter-university Consortium for Political and Social Research [distributor], 2009-03-03. doi:10.3886/ICPSR04076.v1
Persistent URL: http://doi.org/10.3886/ICPSR04076.v1
This study was funded by:
- United States Department of Health and Human Services. National Institutes of Health. National Institute on Aging (2R01AG00799-21A2)
Scope of Study
Subject Terms: activities of daily living, age, aging, caregivers, children, death, drug use, education, employment, ethnicity, family history, generations, grandchildren, grandparents, household composition, institutional care, intergenerational relations, interpersonal relations, life satisfaction, marital status, mental health, military service, parents, physical condition, political affiliation, race, religion, self concept, siblings
Smallest Geographic Unit: state
Date of Collection:
Unit of Observation: individuals
Universe: Families were drawn randomly from a subscriber list of 840,000 members of a California Health Maintenance Organization in Los Angeles.
Data Types: survey data
Sample: Families were recruited by enlisting a grandfather over the age of 60 who was part of a three-generation family that was willing to participate.
personal interviews, telephone interviews, self-enumerated questionnaires, and mailback questionnaires
Presence of Common Scales: Affectual Solidarity Reliability, Consensual Solidarity (Socialization), Associational Solidarity, Functional Solidarity, Intergenerational Social Support, Normative Solidarity, Familism, Structural Solidarity, Intergenerational Feelings of Conflict, Management of Conflict Tactics, Rosenberg Self-Esteem, Depression (CES-D), Locus of Control, Bradburn Affect Balance, Eysenck Extraversion/Neuroticism, Anxiety (Hopkins Symptom Checklist), Activities of Daily Living (IADL/ADL), Religious Ideology, Political Conservatism, Gender Role Ideology, Individualism/Collectivism, Materialism/Humanism, Work Satisfaction, Gilford-Bengtson Marital Satisfaction
Original ICPSR Release: 2005-02-25
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