1996
Asthma among Puerto Rican Hispanics: a multi-ethnic comparison study of risk factors.
Beckett W, Belanger K, Gent J, Holford T, Leaderer B. Asthma among Puerto Rican Hispanics: a multi-ethnic comparison study of risk factors. American Journal Of Respiratory And Critical Care Medicine 1996, 154: 894-899. PMID: 8887582, DOI: 10.1164/ajrccm.154.4.8887582.Peer-Reviewed Original ResearchConceptsRisk factorsPuerto Rican HispanicsSocioeconomic statusHispanic ethnicityHispanic mothersEnvironmental tobacco smoke exposureIndependent risk factorPhysician-diagnosed asthmaPrevalence of asthmaTobacco smoke exposureStrong risk factorAfrican American ethnicityEnvironmental risk factorsYr of ageLow socioeconomic statusStudy of asthmaNon-Hispanic whitesMo of ageActive smokingAsthmatic childrenSmoke exposureChildhood asthmaCigarette smokersMaternal ageMaternal history
1995
Measurement of Exposure to Environmental Tobacco Smoke in Pregnant Women
O'Connor T, Holford T, Leaderer B, Hammond S, Bracken M. Measurement of Exposure to Environmental Tobacco Smoke in Pregnant Women. American Journal Of Epidemiology 1995, 142: 1315-1321. PMID: 7503052, DOI: 10.1093/oxfordjournals.aje.a117599.Peer-Reviewed Original ResearchConceptsUrine cotinineEnvironmental tobacco smokePregnant womenTobacco smokeWork exposureAir nicotine concentrationsSelf-reported exposurePersonal air monitorsExposure assessment methodsAir nicotineMeasurement of exposureHome exposureCotinineNicotine concentrationsExposure classificationWomenCohen's kappaExposureSpearman rank-order correlation coefficientAir monitorsRank-order correlation coefficientKappaSocial exposureSmokeHigh levels