Poulsen, Gry, Kurinczuk, Jennifer J., Wolke, Dieter, Boyle, Elaine M., Field, David, Alfirevic, Zarko and Quigley, Maria A. (2011) Accurate reporting of expected delivery date by mothers 9 months after birth. Journal of Clinical Epidemiology, Vol.64 (No.12). pp. 1444-1450. doi:10.1016/j.jclinepi.2011.03.007 ISSN 0895-4356.
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Abstract
To measure agreement between gestational age based on maternal report of expected date of delivery (EDD) 9 months after birth and gestational age at birth in routine hospital data. Furthermore, to examine whether sociodemographic and perinatal factors influenced agreement and whether disagreement affected classification of infants in preterm groups.
The study used data on 8,058 singleton infants from the UK Millennium Cohort Study. Women were interviewed 9 months after birth and interviews were linked to routine hospital data. The infant’s date of birth and EDD were used to calculate gestational age in completed weeks.
Agreement between maternal report and hospital data was 72% for exact number of weeks’ gestation and 94% for agreement within 1 week. Disagreement was associated with the infant not being firstborn, unplanned pregnancy, late or no antenatal care, and low socioeconomic status. Maternal report of gestational age resulted in slightly more children being classified as preterm (6.4%) than gestational age based on hospital data (6.1%). Agreement was found to be poor for postterm births.
Gestational age based on retrospective maternal reporting of EDD is reliable within 1 week or when used to assign infants to broad gestational groups.
| Item Type: | Journal Article |
|---|---|
| Subjects: | R Medicine > RA Public aspects of medicine > RA0421 Public health. Hygiene. Preventive Medicine R Medicine > RG Gynecology and obstetrics |
| Divisions: | Faculty of Science, Engineering and Medicine > Science > Psychology |
| Library of Congress Subject Headings (LCSH): | Gestational age -- Research, Clinical epidemiology, Maternal health services, Premature labor, Pregnancy -- Duration, Delivery date (Obstetrics), UK millennium cohort study series |
| Journal or Publication Title: | Journal of Clinical Epidemiology |
| Publisher: | Elsevier Inc. |
| ISSN: | 0895-4356 |
| Official Date: | December 2011 |
| Dates: | Date Event December 2011 Published |
| Volume: | Vol.64 |
| Number: | No.12 |
| Page Range: | pp. 1444-1450 |
| DOI: | 10.1016/j.jclinepi.2011.03.007 |
| Status: | Peer Reviewed |
| Publication Status: | Published |
| Access rights to Published version: | Restricted or Subscription Access |
| Funder: | British United Provident Association (BUPA) |
| Grant number: | TBF-08-07 (BUPA) |
| URI: | https://wrap.warwick.ac.uk/36442/ |
Data sourced from Thomson Reuters' Web of Knowledge
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