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DSM staff profile

Emeritus Professor John Langley

PositionProfessor
DepartmentDepartment of Preventive and Social Medicine (DSM)
QualificationsMA(Cant) PhD DipComH(Otago)
Research summaryInjury prevention

Research

John has been involved in injury prevention research since 1978, and received his PhD from the University of Otago in 1985. He has written numerous articles in academic, professional and lay publications on a wide range of injury prevention issues. He tends to use quantitative research methods, especially epidemiological. He is an active advocate for improvements in injury prevention policy and practice.

John is involved to varying degrees in a large number of research projects being undertaken by the IPRU.

Publications

Kypri, K., Davie, G., McElduff, P., Langley, J., & Connor, J. (2016). Long-term effects of lowering the alcohol minimum purchasing age on traffic crash injury rates in New Zealand. Drug & Alcohol Review. Advance online publication. doi: 10.1111/dar.12378

Harcombe, H., Langley, J., Davie, G., & Derrett, S. (2015). Functional status following injury: What recovery pathways do people follow? Injury, 46(7), 1275-1280. doi: 10.1016/j.injury.2015.04.004

Kypri, K., Davie, G., McElduff, P., Langley, J., & Connor, J. (2015). Effects of lowering the alcohol minimum purchasing age on weekend hospitalised assaults of young Māori in New Zealand. Drug & Alcohol Review, 34(3), 299-303. doi: 10.1111/dar.12241

Langley, J. D., Lilley, R., Wilson, S., Derrett, S., Samaranayaka, A., Davie, G., … Wyeth, E. H., Hansen, P., & Hokowhitu, B. (2014). Factors associated with non-participation in one or two follow-up phases in a cohort study of injured adults. Injury Prevention, 19, 428-433. doi: 10.1136/injuryprev-2012-040685

Cryer, C., Samaranayaka, A., Langley, J. D., & Davie, G. (2014). The epidemiology of life-threatening work-related injury: A demonstration paper. American Journal of Industrial Medicine, 57(4), 425-437. doi: 10.1002/ajim.22301

Authored Book - Other

McCracken, S. B., Langley, J. D., Feyer, A.-M., Broughton, J. R., & Rothstein, D. (2002). A Review of Health and Safety Information Systems within SiteSafe New Zealand's Heads of Agreement Companies: Identifying a Framework for Conducting Injury Surveillance within Construction (Occasional Report Series No. 42) (OR042 ed.). Dunedin: NEOH and IPRU, 30p.

Stephenson, S. C. R., & Langley, J. D. (2002). Impact of Injury in New Zealand (Occasional Report Series No. 43) (OR043 ed.). Dunedin: Injury Prevention Research Unit & ACC, 43p.

Stephenson, S. C. R., Langley, J. D., & Simpson, J. C. (2001). New Zealand District Health Board injury data 1994-1998; Occasional Report Series No.040. Dunedin: Injury Prevention Research Unit, 35p.

Stephenson, S. C. R., Langley, J. D., & Simpson, J. C. (2001). New Zealand regional data 1993-1997; Occasional Report Series No.034. Dunedin: Injury Prevention Research Unit, 35p.

Begg, D. J., Langley, J. D., & Morrison, L. (2001). Risky motor vehicle traffic behaviour among young adults (Occasional Report Series No. 037). Dunedin: Injury Prevention Research Unit, 54p.

Jaye, C., Simpson, J. C., & Langley, J. D. (1999). Barriers to safe hot water: a qualitative investigation of plumbers' experiences, opinions, knowledge and practice concerning hot tap water safety in the home (OR26 ed.). Dunedin: Injury Prevention Research Unit, 66p.

Feyer, A.-M., Langley, J. D., Howard, M. L., Horsburgh, S. C., Wright, C., Alsop, J. C., & Cryer, P. C. (1999). Work-related fatal injuries in New Zealand 1985-1994: Descriptive epidemiology (Occasional Report Series No. 28). NZEOH and IPRU, 52p.

Langley, J. D., Feyer, A.-M., Wright, C., Alsop, J. C., Horsburgh, S. C., Howard, M. L., & Cryer, P. C. (1999). Work-related fatal injuries in New Zealand 1985-1994: Recommendations on the establishment of ongoing work injury mortality surveillance (Occasional Report Series No. 27). Dunedin: New Zealand Enviromental & Occupational Health Research Centre & Injury Prevention Research Unit, 30p.

Reeder, A. I., Begg, D. J., & Langley, J. D. (1997). Motorcycle riding behaviour and crash experiences (Occasional Report Series No. 17). Dunedin: IPRU, 30p.

Begg, D. J., McCool, J., & Langley, J. D. (1997). The road safety attitudes, practices and crash experiences of young adults in a pilot study (Occasional Report Series No. 15). Dunedin: IPRU, 19p.

Begg, D. J., & Langley, J. D. (1997). Lifestyle factors as predictors of injuries and crashes among young adults: A longitudinal study (Occasional Report Series No. 16). Dunedin: IPRU, 56p.

Begg, D. J., & Langley, J. D. (1997). Transport related safety practices and crash experiences (Occasional Report Series No. 19). Dunedin: IPRU, 38p.

Gafford, J. E., Alsop, J. C., Begg, D. J., Langley, J. D., & Firth, H. M. (1997). Occupational injury and work related practices (Occasional Report Series No. 18). Dunedin: IPRU, 27p.

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Chapter in Book - Research

Driscoll, T., Harrison, J., & Langley, J. (2004). Injury surveillance. In R. McClure, M. Stevenson & S. McEvoy (Eds.), The scientific basis of injury prevention and control. (pp. 87-109). Melbourne, Australia: IP Communications.

Driscoll, T., Harrison, J., & Langley, J. (2004). The burden of injury. In R. McClure, M. Stevenson & S. McEvoy (Eds.), The scientific basis of injury prevention and control. (pp. 18-33). Melbourne, Australia: IP Communications.

Stewart, I. A., Silva, P. A., & Langley, J. D. (1996). Otitis media with effusion. In P. A. Silva & W. R. Stanton (Eds.), From Child to Adult: The Dunedin Multidisciplinary Health and Development Study. (pp. 113-129). Auckland: Oxford University Press.

Gafford, J. E., Silva, P. A., & Langley, J. D. (1996). Injuries. In P. A. Silva & W. R. Stanton (Eds.), From Child to Adult: the Dunedin Multidisciplinary Health and Development Study. (pp. 98-112). Auckland: Oxford University Press.

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Journal - Research Article

Kypri, K., Davie, G., McElduff, P., Langley, J., & Connor, J. (2016). Long-term effects of lowering the alcohol minimum purchasing age on traffic crash injury rates in New Zealand. Drug & Alcohol Review. Advance online publication. doi: 10.1111/dar.12378

Harcombe, H., Langley, J., Davie, G., & Derrett, S. (2015). Functional status following injury: What recovery pathways do people follow? Injury, 46(7), 1275-1280. doi: 10.1016/j.injury.2015.04.004

Kypri, K., Davie, G., McElduff, P., Langley, J., & Connor, J. (2015). Effects of lowering the alcohol minimum purchasing age on weekend hospitalised assaults of young Māori in New Zealand. Drug & Alcohol Review, 34(3), 299-303. doi: 10.1111/dar.12241

Langley, J. D., Lilley, R., Wilson, S., Derrett, S., Samaranayaka, A., Davie, G., … Wyeth, E. H., Hansen, P., & Hokowhitu, B. (2014). Factors associated with non-participation in one or two follow-up phases in a cohort study of injured adults. Injury Prevention, 19, 428-433. doi: 10.1136/injuryprev-2012-040685

Cryer, C., Samaranayaka, A., Langley, J. D., & Davie, G. (2014). The epidemiology of life-threatening work-related injury: A demonstration paper. American Journal of Industrial Medicine, 57(4), 425-437. doi: 10.1002/ajim.22301

Wilson, S. J., Derrett, S., Cameron, I. D., Samaranayaka, A., Davie, G., & Langley, J. (2014). Prevalence of poor outcomes soon after injury and their association with the severity of the injury. Injury Prevention, 20, 57-61. doi: 10.1136/injuryprev-2012-040690

Wilson, R., Derrett, S., Hansen, P., & Langley, J. D. (2014). Costs of injury in New Zealand: Accident Compensation Corporation spending, personal spending and quality-adjusted life years lost. Injury Prevention, 19(2), 124-129. doi: 10.1136/injuryprev-2011-040252

Wilson, R., Hansen, P., Langley, J., & Derrett, S. (2014). A comparison of injured patient and general population valuations of EQ-5D health states for New Zealand. Health & Quality of Life Outcomes, 12, 21. doi: 10.1186/1477-7525-12-21

Cryer, C., Langley, J. D., Samaranayaka, A., Davie, G., Morgaine, K., Lilley, R., & Barson, D. (2014). An outcome evaluation of a New Zealand farm safety intervention: A historical cohort study. American Journal of Industrial Medicine, 57(4), 458-467. doi: 10.1002/ajim.22290

Morgaine, K. C., Langley, J. D., McGee, R. O., & Gray, A. R. (2014). Impact evaluation of a farm-safety awareness workshop in New Zealand. Scandinavian Journal of Work, Environment & Health, 40(6), 649-653. doi: 10.5271/sjweh.3446

Kypri, K., Davie, G., McElduff, P., Connor, J., & Langley, J. (2014). Effects of lowering the minimum alcohol purchasing age on weekend assaults resulting in hospitalization in New Zealand. American Journal of Public Health, 104(8), 1396-1401. doi: 10.2105/ajph.2014.301889

Kypri, K., Wolfenden, L., Hutchesson, M., Langley, J., & Voas, R. (2014). Public, official, and industry submissions on a Bill to increase the alcohol minimum purchasing age: A critical analysis. International Journal of Drug Policy, 25(4), 709-716. doi: 10.1016/j.drugpo.2014.05.001

Gedeborg, R., Warner, M., Chen, L.-H., Gulliver, P., Cryer, C., Robitaille, Y., … Langley, J. (2014). Internationally comparable diagnosis-specific survival probabilities for calculation of the ICD-10-based Injury Severity Score. Journal of Trauma & Acute Care Surgery, 76(2), 358-365. doi: 10.1097/TA.0b013e3182a9cd31

Brookland, R., Begg, D., Langley, J., & Ameratunga, S. (2014). Parental influence on adolescent compliance with graduated driver licensing conditions and crashes as a restricted licensed driver: New Zealand Drivers Study. Accident Analysis & Prevention, 69, 30-39. doi: 10.1016/j.aap.2013.06.034

Langley, J., Lilley, R., Samaranayaka, A., & Derrett, S. (2014). Work status and disability trajectories over 12 months after injury among workers in New Zealand. New Zealand Medical Journal, 127(1390). Retrieved from http://journal.nzma.org.nz/journal/127-1390/6016/content.pdf

Begg, D. J., Langley, J. D., Brookland, R. L., Ameratunga, S., & Gulliver, P. (2014). Pre-licensed driving experience and car crash involvement during the learner and restricted, licence stages of graduated driver licensing: Findings from the New Zealand Drivers Study. Accident Analysis & Prevention, 62, 153-160. doi: 10.1016/j.aap.2013.08.027

Maclennan, B., Kypri, K., Room, R., & Langley, J. (2013). Local government alcohol policy development: Case studies in three New Zealand communities. Addiction, 108(5), 885-895. doi: 10.1111/add.12017

Lilley, R., Davie, G., Langley, J., Ameratunga, S., & Derrett, S. (2013). Do outcomes differ between work and non-work-related injury in a universal injury compensation system? Findings from the New Zealand Prospective Outcomes of Injury Study. BMC Public Health, 13, 995. doi: 10.1186/1471-2458-13-995

Gulliver, P., Langley, J., & Cryer, C. (2013). Monitoring trends in violence: A delayed response to Estrada (2006). Journal of Interpersonal Violence, (28), 16, 3129-3148. doi: 10.1177/0886260513488697

Langley, J., Begg, D., Samaranayaka, A., Brookland, R., & Weiss, H. (2013). Unsupervised driving by learner licence holders: Associated characteristics and crash risk. Accident Analysis & Prevention, 60, 24-30. doi: 10.1016/j.aap.2013.07.021

Langley, J., Samaranayaka, A., & Begg, D. J. (2013). Age, period and cohort effects on the incidence of motorcyclist casualties in traffic crashes. Injury Prevention, 19(3), 153-157. doi: 10.1136/injuryprev-2012-040345

Langley, J., Gulliver, P., Cryer, C., Kypri, K., Civil, I., & Davie, G. (2013). Use of alcohol intoxication codes for serious non-fatal hospitalised injury. Injury, 44(11), 1472-1476. doi: 10.1016/j.injury.2012.11.021

Derrett, S., Wilson, S., Samaranayaka, A., Langley, J., Wyeth, E., Ameratunga, S., Lilley, R., Davie, G., & Mauiliu, M. (2013). Prevalence and predictors of disability 24-months after injury for hospitalised and non-hospitalised participants: Results from a longitudinal cohort study in New Zealand. PLoS ONE, 8(11), e80194. doi: 10.1371/journal.pone.0080194

Gulliver, P., Begg, D., Brookland, R., Ameratunga, S., & Langley, J. (2013). Learner driver experiences and crash risk as an unsupervised driver. Journal of Safety Research, 46, 41-46. doi: 10.1016/j.jsr.2013.03.007

Langley, J., Davie, G., Wilson, S., Lilley, R., Ameratunga, S., Wyeth, E., & Derrett, S. (2013). Difficulties in functioning one year after injury: The role of preinjury sociodemographic and health characteristics, health care and injury-related factors. Archives of Physical Medicine & Rehabilitation, 94(7), 1277-1286. doi: 10.1016/j.apmr.2013.02.012

Cammock, R. D., Derrett, S., Davie, G., Langley, J., & Sopoaga, F. (2012). Injury to Pacific people in New Zealand: Pre-injury characteristics and early health outcomes: Results from a cohort study. Australasian Epidemiologist, 19(2), 17-21.

Langley, J., Begg, D., Brookland, R., Ameratunga, S., McDowell, A., & Broughton, J. (2012). Establishment of the New Zealand Drivers Study. New Zealand Medical Journal, 125(1357). Retrieved from http://journal.nzma.org.nz/journal/125-1357/5239/content.pdf

Wilson, R., Derrett, S., Hansen, P., & Langley, J. (2012). Retrospective evaluation versus population norms for the measurement of baseline health status. Health & Quality of Life Outcomes, 10, 68. doi: 10.1186/1477-7525-10-68

Langley, J., Begg, D., Brookland, R., Samaranayaka, A., Jordan, H., & Davie, G. (2012). Nonprogression through graduated driver licensing: Characteristics, traffic offending, and reasons for nonprogression. Traffic Injury Prevention, 13(1), 7-13. doi: 10.1080/15389588.2011.635170

Derrett, S., Samaranayaka, A., Wilson, S., Langley, J., Ameratunga, S., Cameron, I. D., Lilley, R., Wyeth, E., & Davie, G. (2012). Prevalence and predictors of sub-acute phase disability after injury among hospitalised and non-hospitalised groups: A longitudinal cohort study. PLoS ONE, 7(9), e44909. doi: 10.1371/journal.pone.0044909

Maclennan, B., Kypri, K., Langley, J., & Room, R. (2012). Public sentiment towards alcohol and local government alcohol policies in New Zealand. International Journal of Drug Policy, 23(1), 45-53. doi: 10.1016/j.drugpo.2011.05.019

Langley, J., & Gulliver, P. (2012). A decade of serious non-fatal assault in New Zealand. New Zealand Medical Journal, 125(1363). Retrieved from http://journal.nzma.org.nz/journal/125-1363/5369/content.pdf

Maclennan, B., Kypri, K., Langley, J., & Room, R. (2012). Non-response bias in a community survey of drinking, alcohol-related experiences and public opinion on alcohol policy. Drug & Alcohol Dependence, 126(1-2), 189-194. doi: 10.1016/j.drugalcdep.2012.05.014

Maclennan, B., Kypri, K., Langley, J., & Room, R. (2011). Public opinion and local government alcohol policy: A study of seven New Zealand communities. Contemporary Drug Problems, 38, 367-386.

Gulliver, P. J., Cryer, C., Langley, J. D., & Davie, G. S. (2011). Identifying Māori ethnicity for estimating trends in fatal and serious non-fatal injury. Australian & New Zealand Journal of Public Health, 35(4), 352-356. doi: 10.1111/j.1753-6405.2011.00730.x

Derrett, S., Davie, G., Ameratunga, S., Wyeth, E., Colhoun, S., Wilson, S., Samaranayaka, A., Lilley, R., Hokowhitu, B., Hansen, P., & Langley, J. (2011). Prospective Outcomes of Injury Study: Recruitment, and participant characteristics, health and disability status. Injury Prevention, 17(6), 415-418. doi: 10.1136/injuryprev-2011-040044

Davie, G., Samaranayaka, A., Langley, J. D., & Barson, D. (2011). Estimating person-based injury incidence: Accuracy of an algorithm to identify readmissions from hospital discharge data. Injury Prevention, 17(5), 338-342. doi: 10.1136/injuryprev-2011-040090

Langley, J., Samaranayaka, A., Davie, G., & Campbell, A. J. (2011). Age, cohort and period effects on hip fracture incidence: Analysis and predictions from New Zealand data 1974-2007. Osteoporosis International, 22(1), 105-111. doi: 10.1007/s00198-010-1205-6

Langley, J., Derrett, S., Davie, G., Ameratunga, S., & Wyeth, E. (2011). A cohort study of short-term functional outcomes following injury: the role of pre-injury socio-demographic and health characteristics, injury and injury-related healthcare. Health & Quality of Life Outcomes, 9, 68. doi: 10.1186/1477-7525-9-68

Horsburgh, S., & Langley, J. D. (2011). Recruitment and retention of farm owners and workers for a six-month prospective injury study in New Zealand: A feasibility study. Journal of Occupational Medicine & Toxicology, 6, 16. doi: 10.1186/1745-6673-6-16

Kypri, K., Samaranayaka, A., Connor, J., Langley, J. D., & MacLennan, B. (2011). Non-response bias in a web-based health behaviour survey of New Zealand tertiary students. Preventive Medicine, 53(4-5), 274-277. doi: 10.1016/j.ypmed.2011.07.017

Gulliver, P., Cryer, C., Davie, G., & Langley, J. (2010). An investigation into methods to develop indicators to measure injury related impairment. Injury Prevention, 16(4), 240-246. doi: 10.1136/ip.2009.022913

Derrett, S., Davie, G., Ameratunga, S., & Langley, J. (2010). Capturing outcomes following injury: A New Zealand pilot study. New Zealand Medical Journal, 123(1316). Retrieved from http://journal.nzma.org.nz/journal/123-1316/4155/content.pdf

Kypri, K., Paschall, M. J., Langley, J. D., Baxter, J., & Bourdeau, B. (2010). The role of drinking locations in university student drinking: Findings from a national web-based survey. Drug & Alcohol Dependence, 111, 38-43. doi: 10.1016/j.drugalcdep.2010.03.018

Cryer, C., Gulliver, P., Langley, J. D., & Davie, G. (2010). Is length of stay in hospital a stable proxy for injury severity? Injury Prevention, 116, 254-260. doi: 10.1136/ip.2009.023903

Tin Tin, S., Woodward, A., Thornley, S., Langley, J., Rodgers, A., & Ameratunga, S. (2010). Cyclists' attitudes toward policies encouraging bicycle travel: Findings from the Taupo bicycle study in New Zealand. Health Promotion International, 25(1), 54-62. doi: 10.1093/heapro/dap041

Wyeth, E. H., Derrett, S., Hokowhitu, B., Hall, C., & Langley, J. (2010). Rangatiratanga and Ōritetanga: Responses to the Treaty of Waitangi in a New Zealand study. Ethnicity & Health, 15(3), 303-316. doi: 10.1080/13557851003721194

Kypri, K., Davie, G., Langley, J., Voas, R., & Begg, D. (2009). The utility of routinely collected data in evaluating important policy changes: The New Zealand alcohol purchasing age limit example. American Journal of Public Health, 99(7), 1212-1215. doi: 10.2105/ajph.2007.120212

Begg, D., Langley, J., Broughton, J., Brookland, R., Ameratunga, S., & McDowell, A. (2009). New Zealand drivers study: A follow-up study of newly licensed drivers. Injury Prevention, 15(4), e2. doi: 10.1136/ip.2009.021998

Hay, G., Kypri, K., Whigham, P., & Langley, J. (2009). Potential biases due to geocoding error in spatial analyses of official data. Health & Place, 15(2), 562-567. doi: 10.1016/j.healthplace.2008.09.002

Hay, G. C., Whigham, P. A., Kypri, K., & Langley, J. D. (2009). Neighbourhood deprivation and access to alcohol outlets: A national study. Health & Place, 15(4), 1086-1093. doi: 10.1016/j.healthplace.2009.05.008

Day, L., Voaklander, D., Sim, M., Wolfe, R., Langley, J., Dosman, J., … Ozanne-Smith, J. (2009). Risk factors for work related injury among male farmers. Occupational & Environmental Medicine, 66(5), 312-318. doi: 10.1136/oem.2008.040808

Begg, D., Langley, J., Brookland, R., McDowell, A., Ameratunga, S., & Broughton, J. (2009). The opinions of newly licensed drivers in New Zealand on the minimum car driver licensing age and reasons for getting a licence. New Zealand Medical Journal, 122(1306). Retrieved from http://journal.nzma.org.nz/journal/122-1306/3880/content.pdf

McDonald, G., Davie, G., & Langley, J. (2009). Validity of police-reported information on injury severity for those hospitalized from motor vehicle traffic crashes. Traffic Injury Prevention, 10(2), 184-190. doi: 10.1080/15389580802593699

Derrett, S., Langley, J., Hokowhitu, B., Ameratunga, S., Hansen, P., Davie, G., Wyeth, E., & Lilley, R. (2009). Prospective outcomes of injury study. Injury Prevention, 15(5), e3. doi: 10.1136/ip.2009.022558

Begg, D., & Langley, J. (2009). A critical examination of the arguments against raising the car driver licensing age in New Zealand. Traffic Injury Prevention, 10(1), 1-8.

Brookland, R., Begg, D., Langley, J., & Ameratunga, S. (2009). Parent and adolescent risky driving behaviours: New Zealand Drivers Study. Journal of the Australasian College of Road Safety, 20(1), 52-59.

Kypri, K., Paschall, M. J., Langley, J., Baxter, J., Cashell-Smith, M., & Bourdeau, B. (2009). Drinking and alcohol-related harm among New Zealand university students: Findings from a national web-based survey. Alcoholism: Clinical and Experimental Research, 33(2), 307-314. doi: 10.1111/j.1530-0277.2008.00834.x

Davie, G., Cryer, C., & Langley, J. (2008). Improving the predictive ability of the ICD-based Injury Severity Score. Injury Prevention, 14(4), 250-255. doi: 10.1136/ip.2007.017640

Davie, G., Langley, J., Samaranayaka, A., & Weatherspoon, M. E. (2008). Accuracy of injury coding under ICD-10-AM for New Zealand public hospital discharges. Injury Prevention, 14, 319-323. doi: 10.1136/ip.2007.017954

Thornley, S. J., Woodward, A., Langley, J. D., Ameratunga, S. N., & Rodgers, A. (2008). Conspicuity and bicycle crashes: Preliminary findings of the Taupo Bicycle Study. Injury Prevention, 14(1), 11-18. doi: 10.1136/ip.2007.016675

Langley, J., Cryer, C., & Davie, G. (2008). NZ Government's trend analysis of hospitalised self-harm is misleading. Australian & New Zealand Journal of Public Health, 32(2), 162-166.

Kypri, K., Langley, J. D., Saunders, J. B., Cashell-Smith, M. L., & Herbison, P. (2008). Randomized controlled trial of web-based alcohol screening and brief intervention in primary care. Archives of Internal Medicine, 168(5), 530-536.

Cryer, C., & Langley, J. D. (2008). Studies need to make explicit the theoretical and case definitions of injury [Commentary]. Injury Prevention, 14(2), 74-77. doi: 10.1136/ip.2007.017327

Langley, J., Kypri, K., Cryer, C., & Davie, G. (2008). Assessing the validity of potential alcohol-related non-fatal injury indicators. Addiction, 103(3), 397-404.

Day, L., Langley, J., Stathakis, V., Wolfe, R., Sim, M., Voaklander, D., & Ozanne-Smith, J. (2007). Challenges of recruiting farm injury study participants through hospital emergency departments. Injury Prevention, 13, 88-92. doi: 10.1136/ip.2006.013110

Langley, J. D., Davie, G. S., & Simpson, J. C. (2007). Quality of hospital discharge data for injury prevention. Injury Prevention, 13, 42-44. doi: 10.1136/ip.2006.013375

Kypri, K., Paschall, M. J., Maclennan, B., & Langley, J. D. (2007). Intoxication by drinking location: A web-based diary study in a New Zealand university community. Addictive Behaviors, 32, 2586-2596.

Cryer, C., & Langley, J. D. (2006). Developing valid indicators of injury incidence for ″all injury″. Injury Prevention, 12, 202-207. doi: 10.1136/ip.2006.011635

Kypri, K., Langley, J. D., Saunders, J. B., & Cashell-Smith, M. L. (2006). Assessment may conceal therapeutic benefit: Findings from a randomized controlled trial for hazardous drinking. Addiction, 102, 62-70.

Martin, J., Langley, J., & Millichamp, J. (2006). Domestic violence as witnessed by New Zealand children. New Zealand Medical Journal, 119(1228). Retrieved from http://journal.nzma.org.nz/journal/119-1228/1817/content.pdf

Morgaine, K., Langley, J. D., & McGee, R. O. (2006). The FarmSafe Programme in New Zealand: Process evaluation of year one (2003). Safety Science, 44, 359-371.

Kypri, K., & Langley, J. (2006). Splitting the alcohol purchase age: Gambling with youth health. Drug & Alcohol Review, 25, 293-295.

Millichamp, J., Martin, J., & Langley, J. (2006). On the receiving end: Young adults describe their parents' use of physical punishment and other disciplinary measures during childhood. New Zealand Medical Journal, 119(1228). Retrieved from http://journal.nzma.org.nz/journal/119-1228/1818/content.pdf

Langley, J., Stephenson, S., Thorpe, C., & Davie, G. (2006). Accuracy of injury coding under ICD-9 for New Zealand public hospital discharges. Injury Prevention, 12, 58-61. doi: 10.1136/ip.2005.010173

Kypri, K., Voas, R. B., Langley, J. D., Stephenson, S. C. R., Begg, D. J., Tippetts, A. S., & Davie, G. S. (2006). Minimum purchasing age for alcohol and traffic crash injuries among 15- to 19-year-olds in New Zealand. American Journal of Public Health, 96(1), 126-131.

Langley, J., McNoe, B., & Feyer, A.-M. (2006). Work-related bystander deaths in New Zealand: A significant hidden problem. New Zealand Medical Journal, 119(1247). Retrieved from http://journal.nzma.org.nz/journal/119-1247/2357/content.pdf

Kypri, K., Langley, J., & Stephenson, S. (2005). Episode-centred analysis of drinking to intoxication in university students. Alcohol & Alcoholism, 40(5), 447-452.

Day, L., Langley, J., Voaklander, D., Sim, M., Wolfe, R., Dosman, J., … Ozanne-Smith, J. (2005). Minimizing bias in a case-control study of farm injury. Journal of Agricultural Safety & Health, 11(2), 175-184.

McNoe, B., Langley, J., & Feyer, A.-M. (2005). Work-related fatal traffic crashes in New Zealand: 1985-1998. New Zealand Medical Journal, 118(1227). Retrieved from http://journal.nzma.org.nz/journal/118-1227/1783/content.pdf

Goulding, A., Jones, I. E., Williams, S. M., Grant, A. M., Taylor, R. W., Manning, P. J., & Langley, J. (2005). First fracture is associated with increased risk of new fractures during growth. Journal of Pediatrics, 146, 286-288.

Spicer, R., Miller, T., Langley, J., & Stephenson, S. (2005). Comparison of injury case fatality rates in the United States and New Zealand. Injury Prevention, 11, 71-76. doi: 10.1136/ip.2004.005579

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