Evidence map›Paper›PMID 35477473›Full record

ArticleBMC medicine2022

Impact of prenatal tobacco smoking on infant telomere length trajectory and ADHD symptoms at 18 months: a longitudinal cohort study.

Meghan P Howell, Christopher W Jones, Cade A Herman, Celia V Mayne, Camilo Fernandez, Katherine P Theall, Kyle C Esteves, Stacy S Drury

Open access · goldAbstract read
In one paragraph

Article in BMC medicine, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
16citing papers in PubMed, 1 pooled it
1.7field-weighted citation impact, top 16% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

16 citing papers in PubMed, 1 synthesis or guideline pooled it, 20 citations in OpenAlex.

  1. Pooled it
  2. Article
  3. Article
  4. Article
  5. Review
  6. Machine learning-enhanced surface-enhanced spectroscopic detection of polycyclic aromatic hydrocarbons in the human placenta.Proceedings of the National Academy of Sciences of the United States of America · 2025
    Article
  7. Article
  8. Article
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  11. Article
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  14. Review
  15. Quitting Smoking before and after Pregnancy: Study Methods and Baseline Data from a Prospective Cohort Study.International journal of environmental research and public health · 2022
    Article
  16. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

8 authors at 3 institutions in 1 country.

Meghan P HowellDepartment of Pediatrics, Tulane University School of Medicine, 1430 Tulane Avenue, #8526, New Orleans, Louisiana, 70112, USA.
Christopher W JonesDepartment of Psychiatry, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA.
Cade A HermanTufts University School of Medicine, Boston, MA, USA.
Celia V MayneDepartment of Psychiatry and Behavioral Science, Tulane University School of Medicine, 1430 Tulane Avenue, #8526, New Orleans, Louisiana, 70112, USA.
Camilo FernandezDepartment of Orthopedic Surgery, Tulane University School of Medicine, 1430 Tulane Avenue, #8526, New Orleans, Louisiana, 70112, USA.
Katherine P TheallGlobal Community Health and Behavioral Sciences, Tulane University School of Public Health and Tropical Medicine, 1430 Tulane Avenue, #8526, New Orleans, Louisiana, 70112, USA.
Kyle C EstevesClinical Neuroscience Research Center, Tulane University School of Medicine, 1430 Tulane Avenue, #8526, New Orleans, Louisiana, 70112, USA.
Stacy S DruryDepartment of Pediatrics, Tulane University School of Medicine, 1430 Tulane Avenue, #8526, New Orleans, Louisiana, 70112, USA. sdrury@tulane.edu.
Tulane University · USTufts University · USUniversity of Pennsylvania · US

Funding

TRAINING PROGRAM/RESPIRATORY NEUROBIOLOGY AND SLEEPT32HL007713 · NHLBI · UNIVERSITY OF PENNSYLVANIA · PI PACK, ALLAN I · 1992 to 2022
$11.9M
Elucidating the measurement of telomeres: Development of a transdisciplinary, high-impact Telomere Research NetworkU24AG066528 · NIA · TULANE UNIVERSITY OF LOUISIANA · PI DRURY, STACY SCHMIDT · 2019 to 2023
$3.0M
Setting the trajectoryR01MH101533 · NIMH · TULANE UNIVERSITY OF LOUISIANA · PI DRURY, STACY SCHMIDT · 2013 to 2017
$2.7M
NHLBI NIH HHS T32 HL007713NIA NIH HHS U24 AG066528NIMH NIH HHS R01 MH101533
6 · The paper itself

Abstract

backgroundPrenatal maternal tobacco smoking is a predictor of child attention-deficit/hyperactivity disorder (ADHD) and is associated with offspring telomere length (TL). In this study, we examine the relationship between maternal prenatal smoking, infant TL, and maternal report of early childhood symptoms of ADHD.

methodsOne-hundred and eighty-one mother-infant dyads were followed prospectively for the infant's first 18 months of life. Prenatal smoking was assessed from maternal report and medical records. TL was measured from infant buccal swab DNA obtained across the first 18 months of life. ADHD symptoms were obtained from maternal report on the Child Behavior Check List. Multiple regression models tested the relation between prenatal smoking and both ADHD symptoms and infant TL. Additional analyses tested whether the change in infant TL influenced the relation between prenatal smoking and ADHD symptoms.

resultsSixteen percent of mothers reported prenatal smoking. Infant TL at 4, 12, and 18 months of age were correlated. Consistent with previous cross-sectional studies linking shorter offspring TL to maternal prenatal smoking, maternal prenatal smoking predicted greater telomere shortening from four to 18 months of infant age (β = - 5.797, 95% CI [-10.207, -1.386]; p = 0.010). Maternal depression was positively associated with both prenatal smoking (odds ratio (OR): 4.614, 95% CI [1.733, 12.282]; p = 0.002) and child ADHD symptoms (β = 4.713, 95% CI [2.073, 7.354]; p = 0.0006). To prevent confounding, analyses examined the relation between TL, ADHD symptoms, and prenatal smoking only in non-depressed mothers. In non-depressed mothers, infant TL attrition across the first 18 months moderated the relation between smoking and child ADHD.

conclusionsThe findings extend previous studies linking prenatal smoking to shorter infant TL by providing data demonstrating the effect on TL trajectory. The relation between prenatal smoking and early infant ADHD symptoms was moderated by the change in TL. The findings provide novel initial evidence suggesting that TL dynamics are one mechanistic pathway influencing the relation between maternal prenatal smoking and ADHD.

Indexed as

Attention Deficit Disorder with HyperactivityPrenatal Exposure Delayed EffectsChildChild, PreschoolCohort StudiesFemaleHumansInfantLongitudinal StudiesPregnancyTelomereTobacco SmokingAttention deficit/hyperactivity disorderMaternal depressionPrenatalSmokingTelomere attritionTelomere lengthTobacco

Identifiers

PMID35477473
PMCPMC9047258
OpenAlexW4225003117

What OpenQuestion holds

Textmetadata
LicenceCC BY
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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.