Source: Australian Government Department of Health and Aged Care In New Zealand, figures from 2019 show that 10% of students aged 13-18 years vaped at least monthly, while 6% vaped weekly
The VC10 allows for adjustable puff parameters, including volume, duration, interval, and frequency
(We also tracked even multiples of 5, but the results were conceptually similar, so we concentrate on heaping at intervals of 10.) For each participant, we computed the proportion of days demonstrating digit bias, and expressed this using Whipples index (Denic et al., 2004), which indicates the factor by which the proportion of rounded values exceeds that expected from a random distribution of values
On its packaging and ads, JUUL warns the product contains nicotine and nicotine is an addictive substance