Journal
ANXIETY STRESS AND COPING
Volume 17, Issue 1, Pages 87-102Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/1061580031000123667
Keywords
stress; modeling; latent variables; pregnancy; gestational age
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In the current study we examined whether or not stress at critical intervals during pregnancy, or stress consistently experienced across the course of pregnancy was associated with gestational age in a (large) multiethnic sample. After deriving a latent trait-state model of stress, we examined whether or not particular components of stress (i.e., perceived stress, general anxiety, pregnancy-specific anxiety), or stress in general, at specific time points or over time were associated with gestational age. Pregnancy-specific anxiety over the course of pregnancy was associated with shorter gestation after controlling for a number of risk factors, including history of diabetes, smoking, maternal age, and parity. Moreover, these findings suggest that the relation between pregnancy-specific anxiety and gestational age was similar across ethnic groups. The importance of modeling the components and timing of stress with latent variable methodology is discussed.
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