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Patterns of pregnancy and postpartum depressive symptoms: Latent class trajectories and predictors.

Fredriksen, Eivor; von Soest, Tilmann; Smith, Lars; Moe, Vibeke
Journal article; AcceptedVersion; Peer reviewed
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Year
2017
Permanent link
http://urn.nb.no/URN:NBN:no-66673

CRIStin
1427458

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  • Psykologisk institutt [2984]
  • CRIStin høstingsarkiv [16886]
Original version
Journal of Abnormal Psychology. 2017, 126 (2), 173-183, DOI: http://dx.doi.org/10.1037/abn0000246
Abstract
Depressive symptoms among pregnant and postpartum women are common. However, recent studies indicate that depressive symptoms in the perinatal period do not follow a uniform course, and investigations of the heterogeneity of time courses and associated factors are needed. The aim of this study was to explore whether depressive symptoms in the perinatal period could be categorized into several distinct trajectories of symptom development among subgroups of perinatal women, and to identify predictors of these trajectory groups. The study used data from 1,036 Norwegian women participating in a community-based prospective study from midpregnancy until 12-months postpartum. Depressive symptoms were assessed with the Edinburgh Postnatal Depression Scale at 7 time points (4 during pregnancy). Partner-related attachment, stress, childhood adversities, pregnancy-related anxiety, previous psychopathology, and socioeconomic conditions were assessed at enrollment. By means of growth mixture modeling based on piecewise growth curves, 4 classes of depressive symptom trajectories were identified, including (a) pregnancy only (4.4%); (b) postpartum only (2.2%); (c) moderate-persistent (10.5%); and (d) minimum symptoms (82.9%) classes. Multinomial logistic regression analyses showed that membership in the pregnancy only and postpartum only classes primarily was associated with pregnancy-related anxiety and previous psychopathology, respectively, whereas the moderate-persistent class was associated with diverse psychosocial adversity factors. Findings suggest heterogeneity in temporal patterns of elevated depressive mood, relating specific trajectories of time courses with distinct adversity factors. Researchers and clinicians should be aware of possible multiple courses of elevated perinatal depressive mood, and inquire about possible diverse adversity factors, aberrant pathways, and prognoses.

© 2017 American Psychological Association. This paper is not the copy of record and may not exactly replicate the authoritative document published in the APA journal. Please do not copy or cite without author's permission.
 
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