Accuracy of Mothers' Retrospective Reports of Smoking During Pregnancy: Comparison with Twin Sister Informant Ratings

Heath, Andrew C., Knopik, Valerie S., Madden, Pamela A., Neuman, Rosalind J., Lynskey, Michael J., Slutske, Wendy S., Jacob, Theodore and Martin, Nicholas G. (2003) Accuracy of Mothers' Retrospective Reports of Smoking During Pregnancy: Comparison with Twin Sister Informant Ratings. Twin Research, 6 4: 297-301.


Author Heath, Andrew C.
Knopik, Valerie S.
Madden, Pamela A.
Neuman, Rosalind J.
Lynskey, Michael J.
Slutske, Wendy S.
Jacob, Theodore
Martin, Nicholas G.
Title Accuracy of Mothers' Retrospective Reports of Smoking During Pregnancy: Comparison with Twin Sister Informant Ratings
Journal name Twin Research  (ERA 2012 Listed)    (ERA 2010 Rank B)   Check publisher's open access policy
Publication date 2003
Sub-type Article
DOI 10.1375/136905203322296656
Volume number 6
Issue number 4
ISSN 1369-0523
Start page 297
End page 301
Total pages 5
Editor N. G. Martin
K. M. Kirk
Place of publication Bowen Hills, Australia
Publisher Australian Academic Press
Collection year 2003
Language eng
Subject C1
321011 Medical Genetics
730107 Inherited diseases (incl. gene therapy)
Abstract Retrospective assessment of maternal smoking or substance use during pregnancy is sometimes unavoidable. The unusually close relationship of twin sister pairs permits comparison of self-report data versus co-twin informant data on substance use during pregnancy. Information about smoking during pregnancy has been gathered from a series of mothers from an Australian volunteer twin panel (576 women reporting on 995 pregnancies), supplemented in many cases by independent ratings of their smoking by twin sister informants (821 pregnancies). Estimates of the proportion of women who had never smoked regularly (56-58%), who had smoked but did not smoke during a particular pregnancy (16-21%), or who smoked throughout the pregnancy (16-18%), were in good agreement whether based on self-report or twin sister informant data. However, informants underreported cases who smoked during the first trimester but then quit (1-3% versus 7-9% by self-report). Women who smoked throughout pregnancy (by informant report) rarely denied a history of regular smoking (<1%), although a small proportion of apparent false negative cases were identified where they either denied smoking during a pregnancy (9%) or denied smoking beyond the first trimester (10%). We conclude that retrospective smoking data can safely be used to identify potential associations of later child outcomes with maternal smoking during pregnancy.
Keyword Genetics & Heredity
Obstetrics & Gynecology
Reproductive Biology
Deficit-hyperactivity Disorder
Maternal Smoking
Birth-weight
Behavior
Risk
Children
Families
Alcohol
Q-Index Code C1

 
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