Cannabis abuse and dependence

These figures are taken from the 2006 New Zealand Mental Health Survey (Te Hinengaro)

The prevalence of Cannabis Abuse in New Zealand is 0.9% overall, but 3.2% 16-24yr age group
The prevalence of Cannabis Dependence 0.5% overall, but 1.5% in the16-24yr age group
Any Substance Disorder 9.6% in 16-24 age group i.e. almost 1in 10 of the 16-24 age group. It is also worth noting that it has been shown that the instruments used in this study may quite likely under report substance disorder.
These figures are not gender selected. Although women usually have a lower prevalence use in pregnancy and around a baby is particularly concerning. Furthermore, they and their babies may be greatly affected by a partners substance disorder.