Title |
Maternal Stress and Infant Mortality
|
---|---|
Published in |
Psychological Science, May 2013
|
DOI | 10.1177/0956797612468010 |
Pubmed ID | |
Authors |
Quetzal A. Class, Ali S. Khashan, Paul Lichtenstein, Niklas Långström, Brian M. D’Onofrio |
Abstract |
Although preconception and prenatal maternal stress are associated with adverse outcomes in birth and childhood, their relation to infant mortality remains uncertain. We used logistic regression to study infant mortality risk following maternal stress within a population-based sample of infants born in Sweden between 1973 and 2008 (N = 3,055,361). Preconception (6-0 months before conception) and prenatal (between conception and birth) stress were defined as death of a first-degree relative of the mother. A total of 20,651 offspring were exposed to preconception stress, 26,731 offspring were exposed to prenatal stress, and 8,398 cases of infant mortality were identified. Preconception stress increased the risk of infant mortality independently of measured covariates, and this association was timing specific and robust across low-risk groups. Prenatal stress did not increase risk of infant mortality. These results suggest that the period immediately before conception may be a sensitive developmental period with ramifications for infant mortality risk. |
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Country | Count | As % |
---|---|---|
United States | 2 | 17% |
Singapore | 1 | 8% |
New Zealand | 1 | 8% |
United Kingdom | 1 | 8% |
Unknown | 7 | 58% |
Demographic breakdown
Type | Count | As % |
---|---|---|
Members of the public | 8 | 67% |
Scientists | 3 | 25% |
Practitioners (doctors, other healthcare professionals) | 1 | 8% |
Mendeley readers
Geographical breakdown
Country | Count | As % |
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United States | 5 | 3% |
Ghana | 2 | 1% |
United Kingdom | 2 | 1% |
Sweden | 1 | <1% |
India | 1 | <1% |
Greece | 1 | <1% |
Rwanda | 1 | <1% |
Unknown | 133 | 91% |
Demographic breakdown
Readers by professional status | Count | As % |
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Student > Ph. D. Student | 32 | 22% |
Student > Master | 21 | 14% |
Student > Bachelor | 21 | 14% |
Researcher | 17 | 12% |
Student > Doctoral Student | 14 | 10% |
Other | 20 | 14% |
Unknown | 21 | 14% |
Readers by discipline | Count | As % |
---|---|---|
Psychology | 33 | 23% |
Medicine and Dentistry | 26 | 18% |
Social Sciences | 24 | 16% |
Nursing and Health Professions | 13 | 9% |
Agricultural and Biological Sciences | 9 | 6% |
Other | 17 | 12% |
Unknown | 24 | 16% |