Boston demographics and prepost change after the enactment of a flavoured tobacco product restriction
| Demographic measures | |
| Boston demographics† | |
| Total population (N) | 650 281 |
| Number of designated neighbourhoods (N) | 23 |
| Non-white (%) | 54.5 |
| Median income (US$) | 55 777 |
| Independent retailers (%) | 81.3 |
| Tobacco retail density | 1.40 |
| Stores selling flavoured products at baseline‡ (%) | 88.6 |
| Complete case retailers | 353 |
| Prepost change (complete case retailers)‡ | ||
| Measures | Baseline | Follow-up |
| % stores selling flavoured tobacco products | 100.0 | 14.4* |
| Average number of flavoured products sold | 19.5 | 0.39* |
| % of stores with flavoured product advertisements | 58.9 | 28.0* |
*P<0.05.
†Demographic data from the 2011–2015 American Community Survey (ACS) Estimates.
‡All stores who were surveyed at baseline (N=488).
§Prepost change is assessed only among complete case retailers who were surveyed at both baseline and follow-up periods (N=353).