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Background Small towns in New Zealand have reported high availability of methamphetamine, and conversely a shortage of cannabis. Stakeholders have suggested drug dealers are purposely promoting methamphetamine rather than cannabis. Aims (1) To compare the availability of methamphetamine and cannabis in different size communities; (2) Identify determinants of the high availability of methamphetamine, including low availability of cannabis. Method An online drug survey was promoted via a broadly targeted Facebook™ campaign. Participants were asked if they lived in a “city”, “small town” or “rural area”, their drug use patterns, and local drug market characteristics, including current availability. A total of 6311 people completed the survey. Logistic regression models were constructed to identify independent predictors of reporting high availability of methamphetamine, cannabis, ecstasy and LSD respectively, with low availability of cannabis included as a predictor in the non-cannabis markets. Results Methamphetamine was reported to be more available than cannabis in all regions. Methamphetamine was more available in towns/rural areas than in cities. Significant predictors of high availability of methamphetamine were living in a town/rural area (OR = 1.38), purchasing from a gang member (OR = 1.88), daily methamphetamine use (OR = 2.41), Maori ethnicity (OR = 1.36) and reporting low availability of cannabis (OR = 1.89). Low availability of cannabis was not a predictor of high availability of ecstasy or LSD. Living in a town/rural area was not a predictor of high availability of cannabis, LSD or ecstasy. Purchasing from a gang member was a predictor of high availability of cannabis (OR = 1.80) and LSD (OR = 4.61). Conclusions Further research is required to identify what causal relationships, if any, there are between the statistical associations of high methamphetamine availability, living in a small town, purchasing from a gang, and low cannabis availability. It may be the case that small towns offer an environment where a gang can control the local drugs market.

Introduction New Zealand has a number of unusual geographical features that may influence the price of illegal drugs including international isolation, numerous rural communities, and two separate islands (North and South Islands). Aims (1) Collect data on the prices of different drug types from all regions of New Zealand; (2) Identify independent predictors of the reported prices. Method An online drug survey was promoted via a targeted Facebook™ campaign. A total of 6331 respondents completed the survey. Normal regression models were constructed to identify predictors of the reported price of an ounce of cannabis, gram of methamphetamine, pill of ecstasy and tab of LSD using demographics, drug use frequency, drug market indicators, region, community size, type of seller, and location of purchase as predictor variables. Results Higher availability was a predicator of lower prices for cannabis (-3% per higher availability category), methamphetamine (-4%) and ecstasy (-5%). Those living in the North Island (-26%) and buying from gangs (-5%) paid lower prices for methamphetamine. Those living in rural communities reported higher prices for methamphetamine (+5%) but lower prices for cannabis (-3%). Daily cannabis users (+4%) and those on social welfare (+2%) paid higher prices for cannabis. Conclusion Lower prices for methamphetamine in the North Island may reflect the concentration of methamphetamine manufacture there. The fact that gangs offer lower prices for methamphetamine suggests they do not have monopoly control of this market. Gangs may be able to offer lower prices for methamphetamine due to scale of production/trafficking and lower risk of victimisation. Higher prices for methamphetamine in rural areas may reflect less competitive markets. Lower prices for cannabis in rural communities may be due to proximity to growing locations. Daily cannabis users and those on social welfare may be less able to delay their cannabis purchases to low price harvest months.