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Updated: Mar 15, 2026

Using Chronic Social Stress to Model Postpartum Depression in Lactating Rodents
Published on: June 10, 2013
Identifying women at risk for postpartum anxiety: a prospective population-based study
C-L Dennis1,2,3, K Falah-Hassani1, H K Brown4,5,6
1Lawrence S. Bloomberg Faculty of Nursing, University of Toronto, Toronto, ON, Canada.
Objective:
To develop a multifactorial model to predict anxiety symptomatology at 8 weeks postpartum.
Method:
In a population-based study, 522 women in a health region near Vancouver, Canada, completed questionnaires at 1, 4, and 8 weeks postpartum. Questionnaires included risk factors measured at 1 week (sociodemographic, biological, pregnancy-related, life stressors, social support, obstetric, and maternal adjustment). Sequential logistic regression was completed to develop a predictive model of anxiety symptomatology at 8 weeks (State-Trait Anxiety Inventory score >40).
Results:
The prevalence of anxiety symptomatology at 1, 4, and 8 weeks postpartum was 22.6%, 17.2%, and 14.8% respectively. In multivariable models, anxiety symptomatology at 1 week (aOR 2.78, 95% CI: 1.04-7.43), multiparous parity (aOR 3.29, 95% CI: 1.28-8.48), history of psychiatric problems (aOR 3.07, 95% CI: 1.19-7.97), perceived stress (1 SD increase: aOR 4.92, 95% CI: 2.62-9.26), and childcare stress (1 SD increase: aOR 1.63, 95% CI: 1.01-2.64) were independent predictors of anxiety symptomatology at 8 weeks.
Conclusion:
While a significant proportion of women experience anxiety symptomatology following childbirth, multiparous women with a psychiatric history who have high levels of diverse stress are at greatest risk. These key factors may be used to promote early identification and secondary preventive interventions.
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