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Piecewise latent growth curve modeling of systolic blood pressure reactivity and recovery from the cold pressor test

Published online by Cambridge University Press:  09 January 2002

MARIA M. LLABRE
Affiliation:
Behavioral Medicine Research Center and Department of Psychology, University of Miami, Coral Gables, FL, USA
SUSAN B. SPITZER
Affiliation:
Behavioral Medicine Research Center and Department of Psychology, University of Miami, Coral Gables, FL, USA
PATRICE G. SAAB
Affiliation:
Behavioral Medicine Research Center and Department of Psychology, University of Miami, Coral Gables, FL, USA
NEIL SCHNEIDERMAN
Affiliation:
Behavioral Medicine Research Center and Department of Psychology, University of Miami, Coral Gables, FL, USA
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Abstract

Latent growth curve methodology was used to model systolic blood pressure reactivity and recovery from the cold pressor test. A piecewise regression approach permitted the separate but simultaneous modeling of the two components (reactivity and recovery) of the stress process. Data came from a study of 99 participants classified on the basis of gender, ethnicity, and family history of hypertension. Their systolic blood pressure was assessed at rest, during the cold pressor test, and during a task recovery period. A measure of task appraisal and readings from ambulatory blood pressure monitoring during a workday were also examined. The article illustrates a step-by-step approach to modeling reactivity and recovery. Results indicated that both reactivity and recovery were associated with subsequent systolic blood pressure at work.

Type
Research Article
Copyright
© 2001 Society for Psychophysiological Research

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