Work‐related physical exertion and risk of preterm, low birthweight delivery
Abstract
Summary. Although many women work during pregnancy, the effect of maternal job experience on pregnancy outcome is controversial. We investigated whether work‐related physical exertion increases a woman's risk of delivering a preterm, low birthweight infant. We studied 773 employed, pregnant women included in the National Longitudinal Survey of Labor Market Experience, Youth Cohort (NLSY), a nationally representative sample of young adults. Data concerning work status, job title during pregnancy, and other factors affecting the outcome of pregnancy were obtained from the NLSY. Assessment of physical exertion was based on job title, using an established catalogue of occupational characteristics. Women in jobs characterised by high physical exertion experienced a higher rate of preterm, low birthweight delivery, defined as maternal report of delivery more than 3 weeks early and birthweight under 2 500 g (adjusted RR=5.1, 95% CI=1.5, 17.7). These findings support a policy of limiting work‐related physical exertion during pregnancy.
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The study did not find the previously suggested associations with physical exertion and psychological stress, although stress was associated with PTL in the case-control analysis.
“We did not find the previously suggested associations with physical exertion11,12 and psychological stress,20,21 although stress was associated with PTL in the case-control analysis.”
From Triggers of Spontaneous Preterm Delivery – Why Today? (2014) · cites this paper as [11]
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- Authors
- Homer, C. J., Beresford, S. A. A., Jarnes, S. A., Siegel, E., & Wilcox, S.
- Affiliations
- University of North Carolina at Chapel Hill (US)
- Corresponding author
- Homer, Charles J.
- Venue
- Paediatric and Perinatal Epidemiology
- Publisher
- Wiley
- Published
- 1990-04
- Volume
- 4
- Issue
- 2
- Pages
- 161-174
- ISSN
- 0269-5022 (ISSN-L)
- 1365-3016
- OpenAlex
- W2089477176
- Cited by
- 54
- References
- 22
- Citations by year
- 2026: 1 · 2023: 1 · 2021: 2 · 2020: 1 · 2019: 1 · 2018: 1 · 2016: 2 · 2014: 2 · 2013: 3
- FWCI
- 7.87
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Paediatric and Perinatal Epidemiology (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Health Sciences › Health Professions › Occupational Therapy › Occupational Health and Safety in Workplaces
- Health Sciences › Health Professions › General Health Professions › Maternal and Neonatal Healthcare
- Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Pregnancy and Medication Impact
- Keywords
- pregnancy, preterm birth, low birth weight, maternal employment, job characteristics, job titles, pregnancy outcomes, occupational health policy
- MeSH terms
- Adolescent, Adult, Physical Exertion, Female, Humans, Infant, Low Birth Weight, Infant, Newborn, Infant, Premature, Longitudinal Studies, Pregnancy, Pregnancy Outcome, Regression Analysis, Risk Factors, Socioeconomic Factors, United States, Work, Cohort Studies
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