In the NZHS, neighbourhood deprivation refers to the New Zealand Index of Deprivation 2018 (NZDep2018), which measures the level of socioeconomic deprivation for each neighbourhood (Statistical Area 1) according to a combination of the following 2018 Census variables: household income, benefit receipt, household crowding, home ownership, employment status, qualifications, single parent families, living in home with dampness/mould and access to the internet
This makes it hard for researchers to disentangle the potential impact of cannabis on cancer risk from the impact of the tobacco
In addition, isobutane burns cleaner and is much safer than low quality lighters which have low quality and smelly butane
But some say forcing tobacco restrictions on US soldiers, who are grappling with the rigours of war, is simply going too far