Self‐reported maternal smoking during pregnancy by source in Utah, 2003–2007

Srisukhumbowornchai, Sivithee; Krikov, Sergey; Feldkamp, Marcia L.

doi:10.1002/bdra.23058

Cited by 25 publications

(21 citation statements)

References 45 publications

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“…Cervical-vaginal ‘infection’ refers to maternal report of bacterial infection (n = 4), bacterial vaginosis (n = 30), yeast infection (n = 62), mixed infection (n = 4) or other/unspecified infection (n=43; e.g., chlamydia, trichomonas or herpes, etc.). Previous research indicates that such information gained through self-report can be more accurate than that obtained from medical records or birth certificates, 14-17 but we do not know the extent to which ‘infection’ per se was confirmed by microbial colonization. The terms ‘fetal growth restriction’ and ‘small for gestational age’ meet our needs equally, and we use them interchangeably since accurate differentiation of pathologically small from constitutionally small newborns (see 18,19 ) is an ongoing challenge.…”

Section: Methodsmentioning

confidence: 72%

“…24,65,66 We do not know the extent to which maternal reported cervical-vaginal infections involved a documented immune response to microbial colonization (i.e., true infection). Previous research indicates that information gained through self-report during maternal interview can be more accurate than that obtained from medical records or birth certificates, 14-17 though modest reliability has also been reported for some obstetric morbidity surveys. 67,68 In the ELGAN Study, newborns whose mother reported a genitourinary infection during pregnancy were more frequently exposed to inflammation of the chorionic plate, chorion, decidua, fetal stem vessels, and umbilical cord than were those whose mother did not.…”

Section: Discussionmentioning

confidence: 99%

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Extremely low gestational age and very low birthweight for gestational age are risk factors for autism spectrum disorder in a large cohort study of 10-year-old children born at 23-27 weeks’ gestation

Joseph¹,

Korzeniewski²,

Allred³

et al. 2017

American Journal of Obstetrics and Gynecology

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BACKGROUND No prospective cohort study of high-risk children has used rigorous exposure assessment and optimal diagnostic procedures to examine the perinatal antecedents of autism spectrum disorder (ASD), separately among those with and without cognitive impairment. OBJECTIVE To identify perinatal factors associated with increased risk for ASD with and without intellectual disability (ID: IQ < 70) in children born extremely preterm. STUDY DESIGN This prospective multi-center (14 institutions in 5 states) birth cohort study included children born at 23-27 weeks gestation in 2002-2004 who were evaluated for ASD and ID at age 10 years. Pregnancy information was obtained from medical records and by structured maternal interview. Cervical-vaginal ‘infection’ refers to maternal report of bacterial infection (n = 4), bacterial vaginosis (n = 30), yeast infection (n = 62), mixed infection (n = 4) or other/unspecified infection (n=43; e.g., chlamydia, trichomonas or herpes, etc.). We do not know the extent to which ‘infection’ per se was confirmed by microbial colonization. We use the terms ‘fetal growth restriction’ and ‘small for gestational age’ interchangeably in light of the ongoing challenge to discern pathologically from constitutionally small newborns. Severe fetal growth-restriction was defined as a birth weight Z-score for gestational age at delivery < - 2 (i.e., 2 standard deviations or more below the median birth weight in a referent sample that excluded pregnancies delivered for preeclampsia or fetal indications). Participants were classified into four groups based on whether or not they met rigorous diagnostic criteria for ASD and ID (ASD+/ID−, ASD+/ID+, ASD−/ID+ and ASD−/ID−). Temporally-ordered multinomial logistic regression models were used to examine the information conveyed by perinatal factors about increased risk for ASD and/or ID (ASD+/ID−, ASD+/ID+ and ASD−/ID+). RESULTS 889 of 966 (92%) children recruited were assessed at age 10 years, of whom 857 (96%) were assessed for ASD; of these, 840 (98%) children were assessed for ID. ASD+/ID− was diagnosed in 3.2% (27/840), ASD+/ID+ in 3.8% (32/840), and ASD−/ID+ in 8.5% (71/840). Maternal report of presumed cervical-vaginal ‘infection’ during pregnancy was associated with increased risk of ASD+/ID+ (odd ratio [OR], 2.7; 95% CI, 1.2-6.4). The lowest gestational age category (23-24 weeks) was associated with increased risk of ASD+/ID+ (OR, 2.9; 95% CI, 1.3-6.6) and ASD+/ID− (OR, 4.4; 95% CI, 1.7-11). Severe fetal growth restriction was strongly associated with increased risk for ASD+/ID− (OR, 9.9; 95% CI, 3.3-30), whereas peripartum maternal fever was uniquely associated with increased risk of ASD−/ID+ (OR, 2.9; 95% CI, 1.2-6.7). CONCLUSION Our study confirms that low gestational age is associated with increased risk for ASD irrespective of intellectual ability, whereas severe fetal growth restriction is strongly associated with ASD without ID. Maternal report of cervical-vaginal infection is associated with increased risk of ASD with ID, and per...

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Section: Methodsmentioning

confidence: 72%

Section: Discussionmentioning

confidence: 99%

Extremely low gestational age and very low birthweight for gestational age are risk factors for autism spectrum disorder in a large cohort study of 10-year-old children born at 23-27 weeks’ gestation

Joseph¹,

Korzeniewski²,

Allred³

et al. 2017

American Journal of Obstetrics and Gynecology

View full text Add to dashboard Cite

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“…Steps to improve confidentiality during data collection might result in greater disclosure. In one study on self-reported smoking quality during pregnancy, the use of computer-assisted interviewing technology identified 46.1 % more women compared with the birth certificate [27]. Additional studies are needed to determine whether maternal worksheets can more accurately capture maternal cigarette use before and during pregnancy or if other tools are needed.…”

Section: Discussionmentioning

confidence: 99%

Reliability of Reported Maternal Smoking: Comparing the Birth Certificate to Maternal Worksheets and Prenatal and Hospital Medical Records, New York City and Vermont, 2009

Howland

Mulready-Ward

Madsen

et al. 2015

Matern Child Health J

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Maternal smoking is captured on the 2003 US Standard Birth Certificate based on self-reported tobacco use before and during pregnancy collected on post-delivery maternal worksheets. Study objectives were to compare smoking reported on the birth certificate to maternal worksheets and prenatal and hospital medical records. The authors analyzed a sample of New York City (NYC) and Vermont women (n = 1,037) with a live birth from January to August 2009 whose responses to the Pregnancy Risk Assessment Monitoring System survey were linked with birth certificates and abstracted medical records and maternal worksheets. We calculated smoking prevalence and agreement (kappa) between sources overall and by maternal and hospital characteristics. Smoking before and during pregnancy was 13.7 and 10.4 % using birth certificates, 15.2 and 10.7 % using maternal worksheets, 18.1 and 14.1 % using medical records, and 20.5 and 15.0 % using either maternal worksheets or medical records. Birth certificates had “almost perfect” agreement with maternal worksheets for smoking before and during pregnancy (κ = 0.92 and 0.89) and “substantial” agreement with medical records (κ = 0.70 and 0.74), with variation by education, insurance, and parity. Smoking information on NYC and Vermont birth certificates closely agreed with maternal worksheets but was underestimated compared with medical records, with variation by select maternal characteristics. Opportunities exist to improve birth certificate smoking data, such as reducing the stigma of smoking, and improving the collection, transcription, and source of information.

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“…Using the clinic data as the gold standard, the sensitivity of maternal report for use of in vitro fertilization (IVF) was 91%. Another validation study compared responses to CATI questionnaire items regarding smoking to data on birth certificates; smoking was more often reported in the NBDPS (Srisukhumbowornchai and others, 2012). Another study conducted a Bayesian bias analysis which incorporated previous research on reliability of self-reported smoking to examine the relationship of smoking and orofacial clefts reported from the NBDPS (Honein and others, 2007; MacLehose and others, 2009).…”

Section: Limitations Of Nbdpsmentioning

confidence: 99%

The national birth defects prevention study: A review of the methods

Reefhuis

Gilboa

Anderka

et al. 2015

Birth Defects Research

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204

312

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Background The National Birth Defects Prevention Study (NBDPS) is a large population-based multi-center case-control study of major birth defects in the United States. Methods Data collection took place from 1998 through 2013 on pregnancies ending between October 1997 and December 2011. Cases could be live born, stillborn or induced terminations, and were identified from birth defects surveillance programs in Arkansas, California, Georgia, Iowa, Massachusetts, New Jersey, New York, North Carolina, Texas and Utah. Controls were live born infants without major birth defects identified from the same geographical regions and time periods as cases via either vital records or birth hospitals. Computer-assisted telephone interviews were completed with women between 6 weeks and 24 months after the estimated date of delivery. After completion of interviews, families received buccal cell collection kits for the mother, father and infant (if living). Results There were 47,832 eligible cases and 18,272 eligible controls. Among these, 32,187 (67%) and 11,814 (65%) respectively, provided interview information about their pregnancies. Buccal cell collection kits with a cytobrush for at least one family member were returned by 19,065 case and 6,211 control families (65% and 59% of those who were sent a kit). More than 500 projects have been proposed by the collaborators and over 200 manuscripts published using data from the NBDPS through December 2014. Conclusion The NBDPS has made substantial contributions to the field of birth defects epidemiology through its rigorous design, including case classification, detailed questionnaire and specimen collection, large study population, and collaborative activities across Centers.

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Self‐reported maternal smoking during pregnancy by source in Utah, 2003–2007

Abstract: Based on our findings, maternal smoking exposure from interview data was shown to be of higher quality with less misclassification compared to data obtained from medical records or birth certificates.

Cited by 25 publications

References 45 publications

Extremely low gestational age and very low birthweight for gestational age are risk factors for autism spectrum disorder in a large cohort study of 10-year-old children born at 23-27 weeks’ gestation

Extremely low gestational age and very low birthweight for gestational age are risk factors for autism spectrum disorder in a large cohort study of 10-year-old children born at 23-27 weeks’ gestation

Reliability of Reported Maternal Smoking: Comparing the Birth Certificate to Maternal Worksheets and Prenatal and Hospital Medical Records, New York City and Vermont, 2009

The national birth defects prevention study: A review of the methods

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