Maternal postpartum depressive symptoms and infant externalizing and internalizing behaviors |
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| Affiliation: | 1. Maternal and Child Health Program, Department of Family Science, School of Public Health, University of Maryland College Park, College Park, MD, USA;2. Department of Epidemiology and Biostatistics, School of Public Health, University of Maryland, College Park, MD, USA;3. Department of Epidemiology, School of Medicine, University of Maryland, Baltimore, MD, USA;4. Department of Epidemiology, Brown University School of Public Health, Providence, RI, USA;1. National University of Singapore, Singapore;2. University of Washington, United States;1. Department of Behavioral Neuroscience, Oregon Health & Science University, Portland, Oregon;2. Advanced Imaging Research Center, Oregon Health & Science University, Portland, Oregon;3. Development, Health and Disease Research Program, University of California, Irvine, Irvine, California;4. Department of Computer Science, University of California, Irvine, Irvine, California;5. Department of Psychology and Neuroscience, University of North Carolina, Chapel Hill, North Carolina;6. Department of Psychiatry, University of North Carolina, Chapel Hill, North Carolina;7. Charité Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Institute of Medical Psychology, Berlin, Germany |
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| Abstract: | Maternal postpartum depression has been shown to be one of the main predictors of externalizing and internalizing behaviors in toddlers and adolescents. Research suggests that presence of such behaviors can be observed as early as infancy. The current study uses longitudinal data from 247 mothers to examine the relationship between postpartum depressive symptoms at 8 weeks and the infant's externalizing and internalizing behaviors at 12 months. In unadjusted linear regression models, there were associations between postpartum depressive symptoms and infant externalizing behaviors (β = 0.082, SE = 0.032, p = 0.012) and internalizing behaviors (β = 0.111, SE = 0.037, p = 0.003). After controlling for potential confounding factors, including maternal age, race, education, home ownership, smoking status in the postpartum period, marital status, parenting stress, and happiness from becoming a parent, the associations between postpartum depressive symptoms and infant externalizing (β = 0.051, SE = 0.034, p = 0.138) and internalizing behaviors (β = 0.077, SE = 0.040, p = 0.057) were reduced and became non-significant. Furthermore, in these models the total amount of variance explained was 17.2% (p < 0.0001) for externalizing behaviors and 10.5% (p < 0.01) for internalizing behaviors; the only significant predictor of externalizing behaviors was maternal age (β = −0.074, SE = 0.030, p = 0.014), and of internalizing behaviors was white non-Hispanic ethnicity (β = −1.33, SE = 0.378, p = 0.0005). A combined effect of the confounding factors seems to explain the finding of no significant independent association between postpartum depressive symptoms and infant externalizing and internalizing behaviors. |
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| Keywords: | Postpartum depressive symptoms Infancy Externalizing and internalizing behaviors |
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