Comparison of stores in states with comprehensive tobacco control programmes versus all other states
| Stores in programme states (n=130) (%) | Stores in non-programme states (n=451) (%) | p Value | |
| Gift with purchase | 24.6 | 11.8 | < 0.001 |
| Any exterior ads | 38.5 | 37.7 | 0.45 |
| Mean number exterior ads | 1.26 | 0.97 | 0.13 |
| Any interior ads | 58.5 | 56.1 | 0.35 |
| Mean number interior ads | 1.9 | 1.60 | 0.14 |
| Advertising restrictions | 95.4 | 36.6 | < 0.001 |
| Store type | |||
| Convenience store | 49.2 | 52.8 | 0.27 |
| Supermarket | 26.2 | 18.8 | 0.05 |
| Gas (petrol) station | 11.5 | 14.0 | 0.29 |
Programme states: Arizona (9 stores), California (115 stores), and Massachusetts (9 stores).
Non-programme states: Alabama, Arkansas, Colorado, Connecticut, Florida, Georgia, Idaho, Illinois, Indiana, Kansas, Kentucky, Louisiana, Maine, Maryland, Michigan, Minnesota, Missouri, Mississippi, Montana, North Carolina, Nebraska, New Jersey, New Mexico, New York, Ohio, Oklahoma, Oregon, Pennsylvania, South Carolina, South Dakota, Tennessee, Texas, Vermont, Virginia, Washington, West Virginia, and Wisconsin.