Nurses’ Health Study (NHS I) and Nurses’ Health Study II (NHS II)
Country: United States
Study Design: Observational cohort with repeated measurements over time
Participant age range: Early adulthood or midlife at enrollment
Number of participants at baseline: 121,700 (NHS I); 116,430 (NHS II)
Year of initial enrollment: 1976 (NHS I); 1989 (NHS II)
Number of data collection waves: 23 (NHS I) and 17 (NHS II); data collection ongoing
Measures of well-being:
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Optimism
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Purpose / Meaning in Life / Ikigai
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Life Satisfaction
Quantity of well-being measures (e.g., number of constructs, number of times of well-being was assessed: Moderate
Quality of well-being measures (e.g., were measures reliable and valid in the study population): High
Measures of physical health:
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Self-rated / questionnaire-based health
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Self-report medical history or medication use
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Measured anthropometrics, e.g., weight
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Biomarkers
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Genetics
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Linked medical records
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Adjudicated health outcomes
Access information:
This dataset is available to all researchers.
Researchers are required to submit an application to access this data. Fees are required to access this dataset.
Notable Citation: Kim E, Hagan K, Grodstein F, DeMeo D, De Vivo I, & Kubzansky L. (2017). Optimism and cause-specific mortality: a prospective cohort study. American journal of epidemiology, 185(1), 21-29.