2023
Birth characteristics and risk of Ewing sarcoma
Wiemels J, Wang R, Feng Q, Yee A, Morimoto L, Metayer C, Ma X. Birth characteristics and risk of Ewing sarcoma. Cancer Causes & Control 2023, 34: 837-843. PMID: 37335392, PMCID: PMC10460323, DOI: 10.1007/s10552-023-01737-4.Peer-Reviewed Original ResearchConceptsBirth characteristicsEwing's sarcomaConclusionsThis population-based studyDisease riskMultivariable logistic regression modelNon-Hispanic white subjectsPopulation-based seriesPopulation-based studySignificant risk factorsMetastatic Ewing sarcomaEwing's sarcoma casesMinimal selection biasLogistic regression modelsYear of birthPurposeThe incidenceFetal growthRisk factorsSarcoma casesLower riskSarcomaMultiethnic populationBirth recordsWhite subjectsGenetic susceptibilityPredisposition alleles
2022
Hispanic Ethnicity Differences in Birth Characteristics, Maternal Birthplace, and Risk of Early-Onset Hodgkin Lymphoma: A Population-Based Case–Control Study
Graham C, Metayer C, Morimoto LM, Wiemels JL, Siddique A, Di M, Rodwin RL, Kadan-Lottick NS, Ma X, Wang R. Hispanic Ethnicity Differences in Birth Characteristics, Maternal Birthplace, and Risk of Early-Onset Hodgkin Lymphoma: A Population-Based Case–Control Study. Cancer Epidemiology Biomarkers & Prevention 2022, 31: 1788-1795. PMID: 35709749, PMCID: PMC9444874, DOI: 10.1158/1055-9965.epi-22-0335.Peer-Reviewed Original ResearchConceptsNon-Hispanic whitesHodgkin's lymphomaCase-control studyBirth characteristicsMaternal birthplaceMaternal agePopulation-based case-control studyMultivariable logistic regression modelConfidence intervalsEthnic differencesEarly-onset cancersPotential ethnic differencesForeign-born mothersLogistic regression modelsEthnicity differencesRace/ethnicityYear of birthLymphomaPaternal ageFemale HispanicsHispanic casesMale HispanicsHodgkinAgeRisk
2019
Tobacco use increases risk of food insecurity: An analysis of continuous NHANES data from 1999 to 2014
Mayer M, Gueorguieva R, Ma X, White MA. Tobacco use increases risk of food insecurity: An analysis of continuous NHANES data from 1999 to 2014. Preventive Medicine 2019, 126: 105765. PMID: 31260724, DOI: 10.1016/j.ypmed.2019.105765.Peer-Reviewed Original ResearchConceptsLow food securityTobacco useTobacco productsNutrition Examination Survey dataSingle product useAlternative tobacco productsUse of cigarettesMagnitude of associationLogistic regression modelsMultiple tobacco productsMultinomial logistic regression modelsFood insecurityNational HealthHigh prevalenceHealth disparity issuesNHANES dataOnly cigarettesSignificant associationTobacco product typesProduct useHealth risksCigarettesAssociationRegression modelsOdds
2018
Regional Practice Patterns and Racial/Ethnic Differences in Intensity of End‐of‐Life Care
Wang S, Hsu SH, Huang S, Doan KC, Gross CP, Ma X. Regional Practice Patterns and Racial/Ethnic Differences in Intensity of End‐of‐Life Care. Health Services Research 2018, 53: 4291-4309. PMID: 29951996, PMCID: PMC6232508, DOI: 10.1111/1475-6773.12998.Peer-Reviewed Original ResearchConceptsIntensity of endHospital referral regionsRegional practice patternsPractice patternsLife careEthnic differencesLife care expendituresLocal practice patternsCancer decedentsMedicare databaseRacial/Ethnic DifferencesReferral regionsCare expendituresCareEnd resultDifferencesEpidemiologyDecedents
2016
Birth weight and risk of paediatric Hodgkin lymphoma: Findings from a population-based record linkage study in California
Triebwasser C, Wang R, DeWan AT, Metayer C, Morimoto L, Wiemels JL, Kadan-Lottick N, Ma X. Birth weight and risk of paediatric Hodgkin lymphoma: Findings from a population-based record linkage study in California. European Journal Of Cancer 2016, 69: 19-27. PMID: 27814470, PMCID: PMC5125877, DOI: 10.1016/j.ejca.2016.09.016.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAge of OnsetBirth OrderBirth WeightCaliforniaCase-Control StudiesChildChild, PreschoolEthnicityFemaleFetal MacrosomiaHodgkin DiseaseHumansInfantInfant, Low Birth WeightInfant, NewbornInformation Storage and RetrievalLogistic ModelsMaleMaternal AgeOdds RatioPaternal AgeRisk FactorsConceptsAge of diagnosisPediatric Hodgkin lymphomaHigh birth weightBirth weightTime of deliveryHodgkin's lymphomaOdds ratioPopulation-based record linkage studyPopulation-based case-control studyBirth orderNormal birth weightRecord linkage studyCase-control studyConditional logistic regressionMagnitude of associationSubgroup of childrenPerinatal factorsMaternal ageEtiological investigationBirth recordsPaternal ageHL casesDisease riskLogistic regressionDiagnosis
2002
Daycare attendance and risk of childhood acute lymphoblastic leukaemia
Ma X, Buffler PA, Selvin S, Matthay KK, Wiencke JK, Wiemels JL, Reynolds P. Daycare attendance and risk of childhood acute lymphoblastic leukaemia. British Journal Of Cancer 2002, 86: 1419-1424. PMID: 11986774, PMCID: PMC2375371, DOI: 10.1038/sj.bjc.6600274.Peer-Reviewed Original ResearchConceptsAcute lymphoblastic leukemiaChildhood acute lymphoblastic leukemiaLymphoblastic leukemiaOdds ratioNorthern California Childhood Leukemia StudyPopulation-based controlsCalifornia Childhood Leukemia StudyCase-control pairsChildhood Leukemia StudyDate of birthBirth RegistryDaycare attendanceCommon infectionsIncident casesYounger ageLeukemiaLeukemia StudyMore childrenLonger durationChildrenDaycare settingRiskDaycareMore hoursPreschool attendance