Karl Parker, BSc, MSc, PGDipSc.

Karl provides advice on survey design and undertakes analysis of survey data, predominantly in the areas of drug and alcohol use. Previously he worked as a statistician at the University of Auckland where he was primarily involved with the investigation of hospital admissions data.

Email: k.parker1@massey.ac.nz

publications

Casswell, S., Huckle, T., Parker, K., Graydon-Guy, T., Leung, J., Parry, C., Torun, P., Sengee, G., Pham, C., Gray-Phillip, G., Callinan, S., Chaiyasong, S., MacKintosh, A. M., Meier, P., & Randerson, S. (2023). Effective alcohol policies are associated with reduced consumption among demographic groups who drink heavily. Alcohol Clinical and Experimental Research, 47(4), 786-795. https://doi.org/10.1111/acer.15030 A578

Leung, J. Y. Y., Casswell, S., Parker, K., Huckle, T., Romeo, J., Graydon-Guy, T., Byron, K., Callinan, S., Chaiyasong , S., Gordon, R., Harker, N., Mackintosh, A. M., Meier, P., Paraje, G., Parry, C. D. H., Cuong Pham, Petersen Williams, P., Randerson, S., Schelleman-Offermans, K., Sengee, G., Torun, P., van Dalen, W. (2023). Effective alcohol policies and lifetime abstinence: an analysis of the International Alcohol Control (IAC) Policy Index. Drug and Alcohol Review, 42(3), 704-713. https://onlinelibrary.wiley.com/doi/full/10.1111/dar.13582. A570

Casswell S., Huckle T., Parker K., Romeo J., Graydon-Guy T., Leung J., Byron, K., Callinan, S., Chaiyasong, S., Gordon, R., MacKintosh, A. M., Meier, P., Paraje, G., Parry, C. D. H., Pham, C., Petersen Williams, P., Randerson, S., Schelleman-Offermans, K., Sengee, G., Torun, P., van Dalen, W., Harker, N. (2022) Benchmarking alcohol policy based on stringency and impact: The International Alcohol Control (IAC) policy index. PLOS Global Public Health 2(4): e0000109. https://doi.org/10.1371/journal.pgph.0000109

Rychert, M., Parker, K., Wilkins, C., Graydon-Guy, T. (2021). Predictors of medicinal cannabis users' willingness to utilise a new prescription Medicinal Cannabis Scheme in New Zealand. New Zealand Medical Journal, 134(1534), 66–75. A521

Huckle, T., Parker, K., Romeo, J., & Casswell, S. (2020). Online alcohol delivery is associated with heavier drinking during the first New Zealand COVID-19 pandemic restrictions. Drug and Alcohol Review, published online Nov 30. doi 10.1111/dar.13222. A504

Huckle, T., Callinan, S., Pham., C., Chaiyasong, S., Parker, K., Casswell, S. (2020). Harmful drinking occurs in private homes in some high-and middle-income alcohol markets: Data from the International Alcohol Control Study. Drug and Alcohol Review, 39(6), 616-623. DOI: 10.1111/dar.13137. A492

Rychert, M., Wilkins, C., Parker, K., Graydon-Guy, T. (2020). Exploring medicinal use of cannabis in a time of policy change in New Zealand. New Zealand Medical Journal, 22 May, 133, 54-69. A486

Huckle, T., Wong, K., Parker, K., Casswell, S. (2019). Increased use of police and health-related services among those with heavy drinkers in their lives in New Zealand In A.-M. Laslett, R. Room, O. Waleewong, O. Stanesby & S. Callinan (Eds.), Harm to others from drinking: Patterns in nine societies (pp. 197-214). Geneva: World Health Organization.

Gray-Phillip, G., Huckle, T., Callinan, S., Parry, C. D. H., Chaiyasong, S., Mackintosh, A.-M., Meier, P., Kazantseva, E., Piazza, M., Parker, K., Casswell, S. (2018). Availability of alcohol: location, time and ease of purchase in high and middle-income countries: Data from the International Alcohol Control (IAC) study. Drug and Alcohol Review, published online 27 March, https://onlinelibrary.wiley.com/doi/pdf/10.1111/dar.12693. A431

Huckle, T., Casswell, S., Mackintosh, A.-M., Chaiyasong, S., Pham V, C., Morojele, N., Parry, C., P, M., Holmes, J., Callinan, S., Piazza, M., Kazantseva, E., Bayandorj, T., Gray-Phillip, G., Haliday, S., Chun, S., Welch, M., Graydon-Guy, T., Parker, K. (2018). The International Alcohol Control Study (IAC): Methodology and Implementation. Drug and Alcohol Review, published online 2 Jan, DOI, http://onlinelibrary.wiley.com/doi/10.1111/dar.12650/epdf. A419

Casswell, S., Huckle, T., Wall, M., Parker, K., Chaiyasong, S., Kazantseva, E., Parry, C. D. H., Pham V, C., Gray-Phillip, G., Piazza, M. (2018). Policy relevant behaviours predict heavier drinking on premises and mediate the relationship between heavier alcohol consumption and age, gender and education status – analysis from the International Alcohol Control (IAC) study. Drug and Alcohol Review, published online 21 Feb,  http://onlinelibrary.wiley.com/doi/12610.11111/dar.12669/epdf. A421

Pham V, C., Casswell, S., Parker, K., Callinan, S., Chaiyasong, S., Kazantseva, E., Meier, P., Mackintosh, A.-M., Piazza, M., Kazantseva, E., Gray-Phillip, G., Parry, C. D. H. (2018). Cross-country comparison of proportion of alcohol consumed in harmful drinking occasions using the International Alcohol Control (IAC) study. Drug and Alcohol Review, published online 14 Feb, http://onlinelibrary.wiley.com/doi/10.1111/dar.12665/epdf. A417

Lin, E.-Y., Witten, K., Oliver, M., Carroll, P., Asiasiga, L., Badland, H., & Parker, K. (2017). Social and built-environment factors related to children's independent mobility: The importance of neighbourhood cohesion and connectedness. Health and Place, 46, 107-113. A426

Rychert, M., Wilkins, C., Parker, K., & Witten, K. (2017). Are government-approved products containing new psychoactive substances perceived to be safer and more socially acceptable than alcohol, tobacco and illegal drugs? Findings from a survey of police arrestees in New Zealand. Drug and Alcohol Review, published online Dec 29, doi: 10.1111/dar.12655. A416

Casswell, S., Callinan, S., Chaiyasong, S., Pham V, C., Kazantseva, E., Bayandorj, T., Huckle, T., Parker, K., Railton, R., & Wall, M. (2016). How the alcohol industry relies on harmful use of alcohol and works to protect its profits. Drug and Alcohol Review, published online 27 OCT. doi: 10.1111/dar.12460. A393

Wilkins, C., Parker, K., Prasad, J., & Jawalkar, S. (2016). Do police arrestees substitute legal highs for other drugs? International Journal of Drug Policy, in press.

Adams, J., Neville, S., Parker, K., & Huckle, T. (2016). Influencing condom use by gay and bisexual men for anal sex through social marketing: A program evaluation of Get it On! Social Marketing Quarterly, doi: 10.1177/1524500416654897. A387

Casswell, S., Huckle, T., Wall, M., & Parker, K. (2016). Policy relevant behaviours mediate the relationship between socio-economic status and alcohol consumption – analysis from the International Alcohol Control (IAC) study. Alcoholism Clinical and Experimental Research, 40(2), 385-392. A375 

Oliver, M., Mavoa, S., Badland, H., Parker, K., Donovan, P., Kearns, R., Lin, E.-Y., & Witten, K. (2015). Associations between the neighbourhood built environment and out of school physical activity and active travel: An examination from the Kids in the City study. Health & Place, 36, 57-64. doi:10.1016/j.healthplace.2015.09.005. A366

Oliver, M., Parker, K., Witten, K., Mavoa, S., Badland, H., Donovan, P., Chaudhury, M., & Kearns, R. (2015). Children’s Out-of-School Independently Mobile Trips, Active Travel, and Physical Activity: A Cross-sectional Examination From the Kids in the City Study. Journal of Physical Activity and Health, in press, July 6. DOI: http://dx.doi.org/10.1123/jpah.2015-0043.

Badland, H., Kearns, R., Carroll, P., Oliver, M., Mavoa, S., Donovan, P., Parker, K., Chaudhury, M., Lin, J., & Witten, K. (2015). Development of a systems model to visualise the complexity of children's independent mobility. Children’s Geographies, Published online: 16 Mar 2015, doi:10.1080/14733285.14732015.11021240. A361

Huckle, T., & Parker, K. (2014). The lowering of the minimum purchase age in New Zealand is associated with a long term impact on alcohol-involved crashes. American Journal of Public Health, Published online ahead of print April 17, e1–e5. A345