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Curated

National Couples' Health and Time Study (NCHAT), United States, 2020-2022 (ICPSR 38417)

Released/updated on: 2025-12-23
Geographic coverage: United States
The National Couples' Health and Time Study (NCHAT) is a population-based study of couples in America that contains representative samples of racial and ethnic diverse and sexual and gender diverse individuals. NCHAT entered the field on September 1, 2020, and data collection completed in April 2021. A follow-up survey (Wave 2) was fielded in 2022. The Wave 1 sample includes 3,642 main respondents. The sample frame included adults in the United States who ranged in age from 20-60 years old, who were married or cohabiting, and who were able to read English or Spanish. About 1,515 partners participated. NCHAT sample participants were recruited through the Gallup Panel. About 9 percent of the sample was non-Latinx Black, 6 percent non-Latinx Asian, 5 percent non-Latinx Multirace, 16 percent Latinx, and 1 percent another racial or ethnic identity. Approximately 55 percent of the sample identified as heterosexual, 20 percent as gay or lesbian, 10 percent as bisexual, and 15 percent as another sexual identity or multiple sexual identities. The sample was about evenly split between men and women, and almost 3 percent identified as another gender identity. 27 percent of couples were the same gender, and 4 percent were non-binary. About 75 percent were married and the remainder were cohabiting. The average age was 45. 65 percent of the sample had no children. One-third of the sample was in an interracial couple. 10 percent were born outside the US. Survey, time diary, experience sampling method, and geospatial data were collected. NCHAT is uniquely suited to address COVID, stress, family functioning, and physical and mental health and includes an abundance of contextual and acute measures of race and racism, sexism, and heterosexism.
Curated

Panel Study of Income Dynamics (PSID): Main Interview, 2021 (ICPSR 39190)

Released/updated on: 2025-12-23
Geographic coverage: United States

The PSID is the world's longest-running nationally representative household panel survey. With over 50 years of data on the same families and their descendants, the PSID is a cornerstone of the data infrastructure for empirically based social science research in the U.S. PSID gathers data on the family as a whole and on individuals residing within the family, emphasizing the dynamic and interactive aspects of family economics, demography, and health. PSID data were collected annually from 1968-1997 and biennially after 1997.

In the Main Interview, one person per family is interviewed on a regular basis. Information about each family member is collected, but much greater detail is obtained about the reference person and, if married/cohabitating, the spouse or long-term cohabitor. Survey content changes to reflect evolving scientific and policy priorities, although many content areas have been consistently measured since 1968. Information includes employment, income, wealth, expenditures, time use, health, dementia screener, insurance, education, marriage, childbearing, philanthropy, and numerous other topics. Additional types of PSID data are available only under a restricted contract. These include but are not limited to: geospatial data below the level of state; mortality data; Medicare claims; and educational characteristics from the National Center for Education Statistics.

With low attrition and high success in following young adults as they form their own families, the sample size has grown from roughly 5,000 families in 1968 to more than 9,000 families and 24,000 individuals by 2021. Over the course of the study, the PSID has distributed data on more than 84,000 individuals. The long panel, genealogical design, and broad content of the data offer unique opportunities to conduct generational and life-course research.

The PSID now contains thousands of inter- and intragenerational relationships over 50 years of data, including (as of the 2021 wave):

  • "Paired" generational relationships, with each family in the pair providing independent interviews
    • Parent-Adult Child pairs: ~4,300
    • Sibling pairs: ~5,200
    • Cousin pairs: ~5,400
  • "Tripled" generational relationships, with all three generations providing independent interviews
    • Grandparent-Parent-Adult Child triplets: ~1,000

For information about earlier data collections, see Panel Study of Income Dynamics (PSID): Main Interview, 1968-2015.

In 2021, the main interview was updated to include questions about the impacts of the COVID-19 pandemic, including: loss of earnings, US government stimulus payments, charitable giving, participants' exposure to COVID-19, and vaccination status.