Country: United States

Study Design: Observational cohort with repeated measurements over time

Participant age range:

• Early adulthood or midlife

• Aging adults

Number of participants at baseline: 7,108

Year of initial enrollment: 1995

Number of data collection waves: 4

Measures of well-being:

• Positive psychological well-being (overall / multidimensional)

• Optimism

• Positive affect

• Purpose / meaning in life / ikigai

• Life satisfaction

• Mastery

• Personal growth or self-acceptance

• Healthy family functioning

Quantity of well-being measures (e.g., number of constructs, number of times of well-being was assessed:  High

Quality of well-being measures (e.g., were measures reliable and valid in the study population): High

Measures of physical health: ​

• Self-rated / questionnaire-based health

• Self-report medical history or medication use

• Measured anthropometrics, e.g., weight

• Biomarkers

Access information: This dataset is available to all researchers. Researchers are not required to submit an application to access this data. There are no fees required to access this dataset.

Notable Citation: Morozink J, Friedman E, Coe C & Ryff C. (2010). Socioeconomic and psychosocial predictors of interleukin-6 in the MIDUS national sample. Health Psychology, 29(6), 626.