I purchased it, took it back to the lab, and analyzed it
First, the data zones were divided into quintiles of income deprivation (1 = least deprived, 5 = most deprived) based on the income deprivation rank, generated from the percentage of income deprived population in each data zone (Table 2)
In general, e-cigarette aerosols tend to be simpler in composition than cigarette aerosols: e-liquids are a simpler starting matrix as compared to cigarette filler, and burning cigarettes have been reported to reach 900C,[1]
4 Includes substituted and/or unsubstituted polycyclic aromatic hydrocarbons and aromatic heterocyclic compounds, with two or more fused rings, at least one of which is benzoid (i.e., containing six carbon atoms and is aromatic) in structure