PROJECT PAGE
Thought, Stress, and Immunity Study (TSI)
The Thought, Stress, and Immunity (TSI) study is a longitudinal study of a small cohort of older adults (2001 – present), refreshed every 5 years. In semiannual assessments, participants are evaluated for their psychological, immune, and cognitive health. Other variables are available; some measures have changed with each refresher.
Principal Investigator(s): Dr. Suzanne Segerstrom
General Information
Country of Data Collection: USA
Years of Data Collection: 2001-present
Study Status: Ongoing
Total Number of Assessments Completed: ~45
Approx. Retention Rate: 50%
Sample
Composition: Longitudinal cohort study, with refresher samples added every 5 years
*Note: Because of the longitudinal cohort design with refresher cohorts, individuals’ number of completed waves ranges from 1 to 20+. Assessments have been conducted semiannually since 2001 (~45 waves maximum possible).
Sex
SES
Education level:
M = 16 (range =7-22 years)
Race/Ethnicity
Personality Data
Construct
Big Five
Depression
Coping
Emotion Regulation
Worry
Psychological Well-Being
Scale
NEO-FFI
Geriatric Depression Scale
BRIEF
Emotion Regulation Scale
Penn State Worry Questionnaire
Scales of Psychological Well-being
Waves
T1, T3*
T1-T3^
T2, T3^
T2^
T1~
T1“
Method
Self-Report
Self-Report
Self-Report
Self-Report
Self-Report
Self-Report
N* At visit 2 at T1 and visit 1 at T3
^ Every visit
~ Visits 1 and 6
“ Odd-numbered visits
Please note: there are also caregiver data available. For a full list of measures and detailed explanation of visits and timepoints, please see
here.
behavioral tasks
biomarkers
childhood experiences
cognitive function
health behaviors
mental health
physical health
repetitive thought
Stress
Data Access
Codebook Available Online: Yes, here.
Data Available Online: No
Project Proposal Required to Use Data: Yes, prospective collaborators will develop a short (2-3 pp.) proposal with rationale and variables to be used, in consultation with the investigators.
Contact
Contact: Suzanne Segerstrom (scsege0@uky.edu)