2024
Mediating Factors in the Association of Maternal Educational Level With Pregnancy Outcomes
Rogne T, Gill D, Liew Z, Shi X, Stensrud V, Nilsen T, Burgess S. Mediating Factors in the Association of Maternal Educational Level With Pregnancy Outcomes. JAMA Network Open 2024, 7: e2351166. PMID: 38206626, PMCID: PMC10784860, DOI: 10.1001/jamanetworkopen.2023.51166.Peer-Reviewed Original ResearchMeSH KeywordsBirth WeightCholesterolCohort StudiesDiabetes Mellitus, Type 2Educational StatusFemaleGenome-Wide Association StudyHumansHyperemesis GravidarumInfant, NewbornLipoproteins, HDLMediation AnalysisMendelian Randomization AnalysisPre-EclampsiaPregnancyPregnancy OutcomePregnancy, EctopicPremature BirthConceptsCardiometabolic risk factorsBody mass indexOffspring birth weightEducational attainmentMendelian randomizationHigh-density lipoprotein cholesterol levelsSystolic blood pressureInverse variance-weighted methodModifiable cardiometabolic risk factorsPregnancy outcomesCohort studyLipoprotein cholesterol levelsMR-Egger regressionMass indexUnivariable MR analysisEffects of educational attainmentAssociated with increased risk of adverse pregnancy outcomesPublic health interventionsMaternal education levelLower educational attainmentRisk factorsRisk of adverse pregnancy outcomesGenome-wide association studiesAssociated with increased riskBirth weight
2023
Season of Conception and Risk of Cerebral Palsy
Zhuo H, Ritz B, Warren J, Liew Z. Season of Conception and Risk of Cerebral Palsy. JAMA Network Open 2023, 6: e2335164. PMID: 37738049, PMCID: PMC10517373, DOI: 10.1001/jamanetworkopen.2023.35164.Peer-Reviewed Original ResearchConceptsCerebral palsySeason of conceptionCalifornia birth recordsCohort studyPreterm birthRelative riskBirth recordsRisk of CPStatewide cohort studyEtiological risk factorsHigher Social Vulnerability IndexLength of gestationDiagnostic recordsNeighborhood-level factorsSummer conceptionsRisk factorsStratified analysisLive birthsMAIN OUTCOMEHigh riskCP riskPoisson regressionCP statusDevelopmental servicesNeuromotor disabilitiesExposure to per- and polyfluoroalkyl substances in early pregnancy and risk of cerebral palsy in children
Vilhelmsson A, Rylander L, Jöud A, Lindh C, Mattsson K, Liew Z, Guo P, Ritz B, Källén K, Thacher J. Exposure to per- and polyfluoroalkyl substances in early pregnancy and risk of cerebral palsy in children. The Science Of The Total Environment 2023, 899: 165622. PMID: 37474063, DOI: 10.1016/j.scitotenv.2023.165622.Peer-Reviewed Original ResearchConceptsOdds ratioPreterm infantsEarly pregnancyPerfluorononanoic acidPrenatal PFAS exposureMaternal serum concentrationsCerebral palsy casesConfidence intervalsCase-control studyRisk of CPEnvironmental risk factorsPositive associationContinuous variablesHigh PFASPalsy casesBirth RegistryPreterm controlsCerebral palsyLifestyle factorsPreterm casesUnexplained etiologyPrenatal exposureSerum concentrationsRisk factorsPerfluorooctane sulfonate
2017
Maternal socioeconomic status and infant mortality with low birth weight as a mediator: an inter-country comparison between Scotland and Denmark using administrative data
Yu Y, Verfuerden M, Hardelid P, Zylbersztejn A, Liew Z, Olsen J, Gilbert R, Li J, Fu B. Maternal socioeconomic status and infant mortality with low birth weight as a mediator: an inter-country comparison between Scotland and Denmark using administrative data. International Journal For Population Data Science 2017, 1: 368. PMCID: PMC9351277, DOI: 10.23889/ijpds.v1i1.368.Peer-Reviewed Original ResearchLow birth weightBirth weightHighest SES quintileSocioeconomic statusInfant mortalitySES quintilePublic health preventive strategiesCausal mediation analysisOverall hazard ratioPrenatal risk factorsAdministrative hospital dataCare of infantsCause infant mortalityMaternal socioeconomic statusMonths of ageHigh SES groupEffect of SESArea-based deprivationHazard ratioDeath RegisterSurvival outcomesBirth characteristicsMaternal ageLowest quintileRisk factors