Research Topics
| Guohua LiSummaryAffiliation: Columbia University Country: USA Publications
Research Grants
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Detail Information
Publications
Epidemiology of anesthesia-related mortality in the United States, 1999-2005Guohua Li
Center for Health Policy and Outcomes in Anesthesia and Critical Care, Department of Anesthesiology, Columbia University College of Physicians and Surgeons, New York, New York 10032, USA
Anesthesiology 110:759-65. 2009..Previous research on anesthesia-related mortality in the United States was limited to data from individual hospitals. The purpose of this study was to examine the epidemiologic patterns of anesthesia-related deaths at the national level...- Geographic region, weather, pilot age, and air carrier crashes: a case-control studyGuohua Li
Department of Anesthesiology, Columbia University College of Physicians and Surgeons, New York, NY 10032, USA
Aviat Space Environ Med 80:386-90. 2009..Previous studies assessing factors associated with crash risk were conducted primarily in general aviation, air taxis, and commuter air carriers... 
FIA Score: a simple risk index for predicting fatality in aviation crashesGuohua Li
Department of Emergency Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
J Trauma 65:1278-83. 2008..Previous studies have identified a variety of risk factors for occupant fatality in aviation crashes. A simple composite index measuring the risk of fatality in a given crash, however, is lacking...- Validity of suspected alcohol and drug violations in aviation employeesGuohua Li
Department of Anesthesiology, Columbia University College of Physicians and Surgeons, New York, NY 10032, USA
Addiction 105:1771-5. 2010..In the United States, transportation employees who are suspected of using alcohol and drugs are subject to reasonable-cause testing. This study aims to assess the validity of suspected alcohol and drug violations in aviation employees... - Drug violations and aviation accidents: findings from the US mandatory drug testing programsGuohua Li
Department of Anesthesiology, Columbia University College of Physicians and Surgeons, New York, NY 10032, USA
Addiction 106:1287-92. 2011..To assess the role of drug violations in aviation accidents... - Excess comorbidities associated with malignant hyperthermia diagnosis in pediatric hospital discharge recordsGuohua Li
Department of Anesthesiology, Columbia University College of Physicians and Surgeons, 622 West 168th Street, New York, NY 10032, USA
Paediatr Anaesth 21:958-63. 2011..Case reports have linked malignant hyperthermia (MH) to several genetic diseases... - Effectiveness of mandatory alcohol testing programs in reducing alcohol involvement in fatal motor carrier crashesJoanne E Brady
Department of Anesthesiology, College of Physicians and Surgeons, Columbia University, New York, New York 10032, USA
Am J Epidemiol 170:775-82. 2009..77, 95% confidence interval: 0.62, 0.94). Results from this study indicate that mandatory alcohol testing programs may have contributed to a significant reduction in alcohol involvement in fatal motor carrier crashes... - Creation of surge capacity by early discharge of hospitalized patients at low risk for untoward eventsGabor D Kelen
Department of Emergency Medicine, Johns Hopkins University School of Medicine, USA
Disaster Med Public Health Prep 3:S10-6. 2009..The aim of the study was to determine the potential for creation of inpatient bed surge capacity from the early discharge (reverse triage) of hospital inpatients at low risk of untoward events for up to 96 hours... - Alcohol violations and aviation accidents: findings from the U.S. mandatory alcohol testing programGuohua Li
Department of Emergency Medicine, Johns Hopkins University School of Medicine, 5801 Smith Avenue, Davis Building, Suite 3220, Baltimore, MD 21209, USA
Aviat Space Environ Med 78:510-3. 2007..S. aviation industry since 1995. This study documents the prevalence of alcohol violations and the association between alcohol violations and aviation accidents among aviation employees with safety-sensitive functions... - Epidemiology of anesthesia-related complications in labor and delivery, New York State, 2002-2005Khadeen Cheesman
Department of Anesthesiology, Columbia University, 622 West 168th St, PH5 505, New York, NY 10032, USA
Anesth Analg 109:1174-81. 2009..We aimed to fill this research gap by exploring the epidemiologic patterns and risk factors of anesthesia-related complications in a large sample of women giving birth in New York hospitals... - Feasibility and pilot study of the Pediatric Anesthesia NeuroDevelopment Assessment (PANDA) projectLena S Sun
Departments of Anesthesiology and Pediatrics, Columbia University, New York, NY, USA
J Neurosurg Anesthesiol 24:382-8. 2012..We present pilot study results in 28 sibling pairs recruited and tested at the Columbia University Medical Center (CUMC) and Children's Hospital of Boston (CHB) for the PANDA project... 
Mortality risk in a birth cohort of commuter air carrier and air taxi pilotsYandong Qiang
Department of Emergency Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland 21205, USA
J Occup Environ Med 45:1297-302. 2003..15-0.22), but considerably higher mortality from aviation crashes (SMR, 128.88; 95% CI = 6.35-2624.36). The results indicate that the current medical certification system is effective in maintaining a healthy pilot workforce...- Factors associated with injury severity in Oklahoma City bombing survivorsMary T Glenshaw
Center for Injury Research and Policy, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA
J Trauma 66:508-15. 2009..The objective of this study was to identify personal and environmental risk factors for injury severity in the Oklahoma City bombing, on April 19, 1995... - A scoring system to predict unplanned intubation in patients having undergone major surgical proceduresMay Hua
Department of Anesthesiology, Columbia University College of Physicians and Surgeons, 622 West 168th St, PH5, Room 535, New York, NY 10032, USA
Anesth Analg 115:88-94. 2012..Unplanned tracheal intubation after surgery has been associated with high mortality. Few studies have examined the risk factors for this complication... - A retrospective cohort study of the association of anesthesia and hernia repair surgery with behavioral and developmental disorders in young childrenCharles DiMaggio
Department of Epidemiology, Mailman School of Public Health, New York, NY, USA
J Neurosurg Anesthesiol 21:286-91. 2009.... - Early childhood exposure to anesthesia and risk of developmental and behavioral disorders in a sibling birth cohortCharles DiMaggio
Department of Anesthesiology, Columbia University, 622 West 168 St, New York, NY 10032, USA
Anesth Analg 113:1143-51. 2011..Using data from a sibling birth cohort, we assessed the association between exposure to anesthesia in the setting of surgery in patients younger than 3 years and the risk of developmental and behavioral disorders... - Pilot error in air carrier mishaps: longitudinal trends among 558 reports, 1983-2002Susan P Baker
Department of Health Policy and Management, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD 21205, USA
Aviat Space Environ Med 79:2-6. 2008..This study aims to identify longitudinal trends in the prevalence and patterns of pilot error and other factors in U.S. air carrier mishaps... - Pediatric anesthesia and neurodevelopmental impairments: a Bayesian meta-analysisCharles DiMaggio
Department of Anesthesiology, Columbia University, New York, NY 10032, USA
J Neurosurg Anesthesiol 24:376-81. 2012..The evidence, however, is considerably uncertain... - Survival and functional outcomes after cardiopulmonary resuscitation in the intensive care unitHayley B Gershengorn
Albert Einstein College of Medicine, Division of Pulmonary, Critical Care, and Sleep Medicine, Beth Israel Medical Center, New York, NY 10003, USA
J Crit Care 27:421.e9-17. 2012..In this study, we evaluated survival rates, functional status, and predictors of good outcomes after in-ICU CPR... - Hearing deficit in a birth cohort of U.S. male commuter air carrier and air taxi pilotsYandong Qiang
Department of International Health, Center for Injury Research and Policy, Johns Hopkins University, Bloomberg School of Public Health, Baltimore, MD 21205, USA
Aviat Space Environ Med 79:1051-5. 2008..Long-term exposure to multiple risk factors in aviation may place pilots at excess risk of developing hearing deficits. We examined the incidence and risk factors for hearing deficit in a birth cohort of male commuter and air taxi pilots... - Crash rates of scheduled commuter and air carrier flights before and after a regulatory changeSusan P Baker
Johns Hopkins Bloomberg School of Public Health, Center for Injury Research and Policy, Baltimore, MD 21205, USA
Aviat Space Environ Med 80:381-5. 2009..Published crash rates obscured changes related to aircraft size. This research was undertaken to determine whether the rule change affected crash rates of aircraft with 10-30 passenger seats... - Pilot age and error in air taxi crashesGeorge W Rebok
Department of Mental Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD 21205 1901, USA
Aviat Space Environ Med 80:647-51. 2009..The correlation between pilot characteristics and error is less clear. This study aims to examine whether pilot age is associated with the prevalence and patterns of pilot error in air taxi crashes... - Prevalence of malignant hyperthermia due to anesthesia in New York State, 2001-2005Joanne E Brady
Department of Anesthesiology, College of Physicians and Surgeons, Columbia University, 622 West 168th Street, PH5 505, New York, NY 10032, USA
Anesth Analg 109:1162-6. 2009..MH prevalence in the United States is not well documented. In this study, we assessed the prevalence of MH in New York State hospitals... - Characteristics of alcohol-related fatal general aviation crashesGuohua Li
Department of Emergency Medicine, Johns Hopkins University School of Medicine, 1830 E Monument Street, Suite 6 100, Baltimore, MD 21205, USA
Accid Anal Prev 37:143-8. 2005..The effects of alcohol on piloting performance have been studied extensively. Information describing alcohol-related aviation crashes, however, is scant... - Age, flight experience, and risk of crash involvement in a cohort of professional pilotsGuohua Li
Department of Emergency Medicine, Johns Hopkins School of Medicine, Baltimore, MD 21205, USA
Am J Epidemiol 157:874-80. 2003..The lack of an association between pilot age and crash risk may reflect a strong "healthy worker effect" stemming from the rigorous medical standards and periodic physical examinations required for professional pilots... - Likelihood of reroute during ambulance diversion periods in central MarylandMelissa L McCarthy
Department of Emergency Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
Prehosp Emerg Care 11:408-15. 2007..To determine the proportion of patients rerouted during ambulance diversion periods and factors associated with reroute... - Pilot error in air carrier accidents: does age matter?Guohua Li
Department of Emergency Medicine, Johns Hopkins University, School of Medicine, Baltimore, MD 21205, USA
Aviat Space Environ Med 77:737-41. 2006..This study aimed to examine age-related differences in the prevalence and patterns of pilot error in air carrier accidents... - Age-related vision problems in commuter and air taxi pilots: a study of 3019 pilots, 1987-1997George W Rebok
Department of Mental Health, Johns Hopkins University, Bloomberg School of Public Health, Baltimore, MD 21205 1901, USA
Aviat Space Environ Med 78:706-11. 2007..This paper examines the incidence of age-related vision problems in a birth cohort of commuter air carrier and air taxi pilots... - Aviation-related injury morbidity and mortality: data from U.S. health information systemsSusan P Baker
Center for Injury Research and Policy, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
Aviat Space Environ Med 80:1001-5. 2009..Objectives of this study were to explore the patterns of aviation-related injuries admitted to U.S. hospitals and relate them to aviation deaths in the same period... - Alcohol in fatal crashes involving Mexican and Canadian drivers in the USASusan P Baker
Center for Injury Research and Policy, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA
Inj Prev 17:304-8. 2011..To determine the prevalence of alcohol involvement and impairment in fatal crashes in the USA involving Mexican and Canadian drivers... - Drinking history and risk of fatal injury: comparison among specific injury causesLi Hui Chen
Center for Injury Research and Policy, Johns Hopkins Bloomberg School of Public Health, 624 N Broadway, Baltimore, MD 21205 1996, USA
Accid Anal Prev 37:245-51. 2005..04; 95% CI=1.64, 9.93) than for males (OR=1.45; 95% CI=1.20, 1.74). The authors conclude that drinking history is associated with a significantly increased risk of all types of fatal injury... - Driving-while-intoxicated history as a risk marker for general aviation pilotsGuohua Li
Department of Emergency Medicine, Johns Hopkins University, School of Medicine, 1830 E Monument Street, Suite 6 100, Baltimore, MD 21205, USA
Accid Anal Prev 37:179-84. 2005..The results of this study support DWI history as a valid risk marker for general aviation pilots. The safety benefit of background checking for DWI history needs to be further evaluated... - Mortality in epilepsy: driving fatalities vs other causes of death in patients with epilepsySoham G Sheth
Department of Neurology, Johns Hopkins School of Medicine, Baltimore, MD 21287, USA
Neurology 63:1002-7. 2004..CONCLUSION: Fatal driver crashes due to seizures are uncommon. This finding supports the current public policy of permitting patients whose seizures are controlled to drive... - Long-term differences in language and cognitive function after childhood exposure to anesthesiaCaleb Ing
Department of Anesthesiology, Columbia University College of Physicians and Surgeons, 622 W 168th St, BHN 4 440, New York, NY 10032, USA
Pediatrics 130:e476-85. 2012..We examined the association between exposure to anesthesia in children under age 3 and outcomes in language, cognitive function, motor skills, and behavior at age 10... - The epidemiology of upper airway injury in patients undergoing major surgical proceduresMay Hua
Department of Anesthesiology, Columbia University Medical Center, New York, NY 10032, USA
Anesth Analg 114:148-51. 2012..Airway injury is a potentially serious and costly adverse event of anesthesia care. The epidemiologic characteristics of airway injury have not been well documented... - Body mass index and cardiovascular disease in a birth cohort of commuter air carrier and air taxi pilotsYandong Qiang
Department of Emergency Medicine, Johns Hopkins University School of Medicine, Baltimore, MD 21202, USA
Ann Epidemiol 15:247-52. 2005..Incorporating BMI into the current medical standards for commercial pilots merits serious consideration... - Pilot age and geographic region of commuter and air taxi crashes: a case-control studyGeorge W Rebok
Department of Mental Health, Johns Hopkins University Bloomberg School of Public Health, Baltimore, MD 21205, USA
Aviat Space Environ Med 82:111-5. 2011..Previous studies of major airline and general aviation crashes have identified a host of risk factors. We examined risk factors related to crashes involving commuter air carrier and air taxi flights... - Mandatory ethics consultation policyMegan E Romano
Department of Anesthesiology, Columbia University, New York, NY 10032, USA
Mayo Clin Proc 84:581-5. 2009..To describe ethics consultations at a single institution that has a mandatory ethics consultation policy... - Patients who leave without being seen: their characteristics and history of emergency department useRu Ding
Department of Emergency Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
Ann Emerg Med 48:686-93. 2006.... - Exploratory spatial analysis of pilot fatality rates in general aviation crashes using geographic information systemsJurek G Grabowski
Department of Emergency Medicine, The Johns Hopkins University School of Medicine, 1830 East Monument Street, Baltimore, MD 21205, USA
Am J Epidemiol 155:398-405. 2002..This study demonstrates that geographic information systems are a valuable tool for injury prevention and aviation safety research... - Inpatient disposition classification for the creation of hospital surge capacity: a multiphase studyGabor D Kelen
Department of Emergency Medicine, Johns Hopkins University, Baltimore, MD 21287, USA
Lancet 368:1984-90. 2006..We sought to develop a disposition classification system that categorises inpatients according to suitability for immediate discharge on the basis of risk tolerance for a subsequent consequential medical event... - Self-rated changes in cognition and piloting skills: a comparison of younger and older airline pilotsGeorge W Rebok
Department of Mental Hygiene, The Johns Hopkins University, Bloomberg School of Public Health, Baltimore, MD 21205, USA
Aviat Space Environ Med 73:466-71. 2002..The relationship of chronological age to self-rated changes in cognition has been studied extensively. However, the relationship of these changes to age-related changes in piloting skills is not well understood... - What is a cohort effect? Comparison of three statistical methods for modeling cohort effects in obesity prevalence in the United States, 1971-2006Katherine M Keyes
Department of Epidemiology, Columbia University, New York, NY 10032, USA
Soc Sci Med 70:1100-8. 2010..As such, the absence or presence of cohort effects depends on the conceptual definition and therefore statistical method used... - Geographic patterns of pilot fatality rates in commuter and air taxi crashesJurek G Grabowski
Johns Hopkins School of Medicine, Department of Emergency Medicine, Baltimore, MD 21205, USA
Aviat Space Environ Med 73:1014-20. 2002..Geographic information systems are widely used in studies of diseases. However, their value for aviation safety research has not been adequately explored... - Three-year outcomes for Medicare beneficiaries who survive intensive careHannah Wunsch
Department of Anesthesiology, Columbia University, 622 W 168th St, PH 527D, New York, NY 10032, USA
JAMA 303:849-56. 2010..Although hospital mortality has decreased over time in the United States for patients who receive intensive care, little is known about subsequent outcomes for those discharged alive... - Ground crew injuries and fatalities in U.S. commercial aviation, 1983-2004Jurek G Grabowski
Johns Hopkins School of Medicine, Department of Emergency Medicine, Baltimore, MD 21205, USA
Aviat Space Environ Med 76:1007-11. 2005..The objective of this paper was to examine airport ground crew injuries and fatalities involving aircraft of commuter air carriers and major airlines... - Human factors in aviation crashes involving older pilotsGuohua Li
Department of Emergency Medicine, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
Aviat Space Environ Med 73:134-8. 2002..Experimental studies using flight simulators indicate that due to decreased working memory capacity, older pilots are outperformed by their younger counterparts in communication tasks and flight summary scores... - Validity of police-reported alcohol involvement in fatal motor carrier crashes in the United States between 1982 and 2005Melissa L McCarthy
Department of Emergency Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland 21209, USA
J Safety Res 40:227-32. 2009..To examine the validity of police-reported alcohol data for drivers involved in fatal motor carrier crashes... - Helicopter crashes related to oil and gas operations in the Gulf of MexicoSusan P Baker
Johns Hopkins Bloomberg School of Public Health, 624 N Broadway, Baltimore, MD 21205, USA
Aviat Space Environ Med 82:885-9. 2011..The hazards inherent in flight operations in the Gulf of Mexico prompted investigation of the number and circumstances of crashes related to oil and gas operations in the region... - Substance use and misuse in the aftermath of terrorism. A Bayesian meta-analysisCharles DiMaggio
Department of Epidemiology, Columbia University, Mailman School of Public Health, New York, NY 10032, USA
Addiction 104:894-904. 2009..To conduct a comprehensive analysis of the conflicting evidence on substance use and misuse following mass traumas such as terrorist incidents... - Birth cohort effects and gender differences in alcohol epidemiology: a review and synthesisKatherine M Keyes
Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, New York 10032, USA
Alcohol Clin Exp Res 35:2101-12. 2011..First, we conduct a cross-national review of the literature on birth cohort differences in alcohol consumption, disorder, and mortality. Second, we determine the consistency of evidence for birth cohort effects on gender differences... - A multiphase method for estimating cohort effects in age-period contingency table dataKatherine M Keyes
Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, NY 10032, USA
Ann Epidemiol 20:779-85. 2010..As an example of application, we analyze homicide mortality data for males in the United States from 1935 through 2004... - Impact of nonphysician staffing on outcomes in a medical ICUHayley B Gershengorn
Division of Pulmonary, Critical Care, and Sleep Medicine, Beth Israel Medical Center, New York, NY 10003, USA
Chest 139:1347-53. 2011..In our study, we compare outcomes of nonphysician provider-based teams to those of medical house staff-based teams in the MICU... - Epidemiologic patterns of injuries treated in ambulatory care settingsMarian E Betz
Johns Hopkins University School of Medicine, Baltimore, MD, USA
Ann Emerg Med 46:544-51. 2005..We seek to assess the incidences and characteristics of acute injuries treated at EDs and other ambulatory care settings... - Dexmedetomidine in the care of critically ill patients from 2001 to 2007: an observational cohort studyHannah Wunsch
Department of Anesthesiology, Columbia University, New York, New York, USA
Anesthesiology 113:386-94. 2010..We sought to examine patient and hospital variation in dexmedetomidine use and adoption patterns of dexmedetomidine over time... - Anesthesia and neurodevelopment in children: time for an answer?Lena S Sun
Department of Anesthesiology and Pediatrics, Columbia University, New York, NY, USA
Anesthesiology 109:757-61. 2008 - Age-60 Rule: the end is in sightAnna Cornell
Department of Emergency Medicine, The John Hopkins University School of Medicine, 5801 Smith Ave, Davis Bldg, Ste 3220, Baltimore, MD 21209, USA
Aviat Space Environ Med 78:624-6. 2007..In this article, we provide a brief review of the ICAO's amendment to the age limit and discuss the various implications of this new international standard... - Emergency department utilization in the United States and Ontario, CanadaGuohua Li
Department of Emergency Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
Acad Emerg Med 14:582-4. 2007..This study aimed to compare ED visit rates in the United States and Ontario, Canada, according to demographic and clinical characteristics... - Crash risk in general aviationGuohua Li
Department of Emergency Medicine, Johns Hopkins University School of Medicine and Center for Injury Research and Policy, Johns Hopkins University Bloomberg School of Public Health, Baltimore, MD 21209, USA
JAMA 297:1596-8. 2007 - Pilot alcohol violations reported in U.S. newspapers, 1990-2006Chadd K Kraus
Department of Emergency Medicine, The Johns Hopkins University, 5801 Smith Avenue, Davis Building, Suite 3220, Baltimore, MD 21209, USA
Aviat Space Environ Med 77:1288-90. 2006..S. newspapers have increased in recent years. This increase is likely due in part to increased detection resulting from enhanced aviation security and enforcement following the September 2001 terrorist attacks... - Suicide by aircraft: a comparative analysisCorey B Bills
Johns Hopkins University School of Medicine, Department of Emergency Medicine, 1830 E. Monument St, Ste. 6-100, Baltimore, MD 21205, USA
Aviat Space Environ Med 76:715-9. 2005..0001), and were more likely to have occurred away from the airport (p < 0.0001). CONCLUSION: Aviation crashes caused by suicide differ from unintentional aviation accidents in pilot characteristics, crash circumstances, and outcomes... - Injury and illness aboard an Antarctic cruise shipGregory H Bledsoe
Department of Emergency Medicine, The Johns Hopkins University School of Medicine, 5801 Smith Ave, Davis Building, Suite 3220, Baltimore, MD 21209, USA
Wilderness Environ Med 18:36-40. 2007..The objective of this study was to determine the incidence and patterns of injury and illness among passengers aboard a cruise ship in Antarctica... - Epidemiologic approaches to injury and violenceSusan P Baker
Center for Injury Research and Policy, Johns Hopkins Bloomberg School of Public Health, 624 North Broadway, Baltimore, MD 21205, USA
Epidemiol Rev 34:1-3. 2012.... - Marijuana use and motor vehicle crashesMu Chen Li
Department of Anesthesiology, Columbia University College of Physicians and Surgeons, New York, New York 10032, USA
Epidemiol Rev 34:65-72. 2012..The results of this meta-analysis suggest that marijuana use by drivers is associated with a significantly increased risk of being involved in motor vehicle crashes... - Intraoperative reported adverse events in childrenAthina Kakavouli
Department of Anesthesiology, Columbia University, New York, NY 10032, USA
Paediatr Anaesth 19:732-9. 2009..No study, so far, has characterized AE in children who receive anesthesia in the operating rooms (ORA) and NORA when anesthesia care is provided by the same team in a consistent manner... - Injury prevention and controlMarian Betz
Harvard Affiliated Emergency Medicine Residency, Department of Emergency Medicine, Beth Israel Deaconess Medical Center, One Deaconess Road, West Clinical Center 2, Boston, MA 02215, USA
Emerg Med Clin North Am 25:901-14, xi. 2007.... - Preventing fatalities in building bombings: what can we learn from the Oklahoma City bombing?Mary T Glenshaw
Center for Injury Research and Policy, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
Disaster Med Public Health Prep 1:27-31; discussion 31-3. 2007..This study assesses factors associated with fatality risk among individuals exposed to the 1995 Oklahoma City bombing... - Trends in Arkansas motorcycle trauma after helmet law repealGregory H Bledsoe
Department of Emergency Medicine, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
South Med J 98:436-40. 2005..This study aimed to assess the impact of the 1997 Arkansas helmet law repeal on motorcycle registrations, crash and fatality risks, and alcohol involvement in motorcycle crashes... - The social norms of birth cohorts and adolescent marijuana use in the United States, 1976-2007Katherine M Keyes
Department of Epidemiology, Columbia University, New York, NY 10032, USA
Addiction 106:1790-800. 2011..The present study investigated societal-level disapproval of marijuana use defined by birth cohort or by time-period... - Neighborhood characteristics and emergency department utilizationGuohua Li
Department of Emergency Medicine, Johns Hopkins University School of Medicine, 1830 East Monument Street, Suite 6 100, Baltimore, MD 21205, USA
Acad Emerg Med 10:853-9. 2003..This study assessed the relations between neighborhood demographic and socioeconomic characteristics and emergency department (ED) utilization... - Fragility versus excessive crash involvement as determinants of high death rates per vehicle-mile of travel among older driversGuohua Li
Department of Emergency Medicine, Johns Hopkins University School of Medicine, 1830 East Monument Street, Suite 6 100, Baltimore, MD 21205, USA
Accid Anal Prev 35:227-35. 2003..These findings suggest that measures to improve the protection of older vehicle occupants in crashes should be vigorously pursued... - Correlating homicide and suicideCorey B Bills
Department of Emergency Medicine, Johns Hopkins University School of Medicine, 1830 East Monument Street, Baltimore, MD 21205, USA
Int J Epidemiol 34:837-45. 2005..The divergent geographic patterns in the relationship between homicide and suicide might be due to regional differences in social and cultural variables...
Research Grants
- PILOT AGING AND AVIATION SAFETYGuohua Li; Fiscal Year: 2006..Results of this project can provide valuable empirical data for understanding the relationship between pilot aging and safety performance and for reassessing the "age-60 rule." ..
- Alcohol in Aviation and Motor CarriersGuohua Li; Fiscal Year: 2007..Findings from the proposed research could provide much-needed scientific evidence for informing important policy decisions relevant to transportation safety and protection of the traveling public. ..
- Alcohol in Aviation and Motor CarriersGuohua Li; Fiscal Year: 2010..Findings from theproposed research couldprovide much-neededscientific evidence for informing important policy decisions relevant to transportation safety andprotection of the traveling public. ..
- ALCOHOL AND GENERAL AVIATIONGuohua Li; Fiscal Year: 2003..Information on DWI history will be ascertained through the state motor vehicle agencies. Results of this project can be used to help develop and evaluate intervention programs for prevention and control of alcohol intoxicated flying. ..
- PILOT AGING AND AVIATION SAFETYGuohua Li; Fiscal Year: 2001....
- Alcohol in Aviation and Motor CarriersGuohua Li; Fiscal Year: 2009..Findings from theproposed research couldprovide much-neededscientific evidence for informing important policy decisions relevant to transportation safety andprotection of the traveling public. ..