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Project 2 -- (Diary Studies)
ABSTRACT:
The proposal seeks support for the first large-scale
longitudinal investigation of daily stressors and well-being during
adulthood. The primary goal is to examine how sociodemographic
factors, health status, personality characteristics, and genetic
endowment modify patterns of change in exposure to day-to-day life
stressors as well as physical and emotional reactivity to these
stressors.
The aims are to :
(1) describe how the links between
multiple aspects of daily stressors (e.g., frequency,
content, severity) and daily
physical and emotional well-being change over 10 years
during adulthood;
(2) examine how personal factors, including sociodemographic
factors and personality characteristics
influence change in both exposure to as well as changes
in physical and emotional reactivity to daily
stressors;
(3) investigate how
exposure and reactivity to daily stressors
correlate with physiological
indicators of physical
health and predict changes in global health reports;
and
(4) explore the relative genetic
and environmental influences mediating change
in exposure and physical and
emotional reactivity to daily stressors
throughout adulthood.
These aims will be addressed by collecting
a second wave of the National
Study of Daily Experiences (NSDE)
approximately 10 years after the first data collection.
The NSDE is a telephone diary
study of a U.S. National sample of 1483 adults ranging in age from
25 to 74 years. Respondents in the NSDE are a representative
subsample of the MIDUS (Midlife in the United States) survey.
A rich set of prospective and concurrent sociodemographic,
physical health, and personality measures assessed by the MIDUS
survey will be used to predict change in exposure and physical
and emotional reactivity to daily stressors from Time 1 to Time
2 of the NSDE. In addition, data from the proposed MIDUS biological
project would allow us to examine how daily stress processes measured
in the proposed NSDE collection are related to physiological
indicators of health (e.g., allostatic load, immune functioning).
All of these questions will be examined in a genetically
informative sample to test how these processes are mediated by
both genetic and environmental influences.
