Tobacco sales by flavour category, average per cent of tobacco inventory by flavour category and presence of exterior tobacco ads by flavour category preimplementation and postimplementation of flavoured tobacco restrictions in Minneapolis and Saint Paul, Minnesota
| Minneapolis | Saint Paul | Control city comparisons (Brooklyn Park vs round 2) | |||||||||
| Round 1 (before policy) | Round 2 (after policy) | P values 1 vs 2 | Round 3 (after policy) | P values 1 vs 3 | Round 1 (before policy) | Round 2 (after policy) | P values 1 vs 2 | Brooklyn Park | P values vs Minneapolis | P values vs Saint Paul | |
| No. of retailers | 41 | 41 | 39 | 37 | 37 | 14 | |||||
| Tobacco sales (% yes) | |||||||||||
| Flavoured | 35 (85.4%) | 16 (39.0%) | <0.001* | 6 (15.4%) | <0.001* | 36 (97.3%) | 3 (8.1%) | <0.001* | 14 (100%) | <0.001* | <0.001* |
| Menthol | 38 (92.7%) | 41 (100%) | 1.000 | 37 (94.9%) | 1.000 | 37 (100%) | 37 (100%) | 1.000 | 14 (100%) | 1.000 | 1.000 |
| Unflavoured | 39 (95.1%) | 39 (95.1%) | 1.000 | 39 (100%) | 1.000 | 36 (97.3%) | 37 (100%) | 1.000 | 14 (100%) | 1.000 | 1.000 |
| Ambiguous | 33 (80.5%) | 26 (63.4%) | 0.070 | 24 (61.5%) | 0.043* | 25 (67.6%) | 30 (81.1%) | 0.267 | 8 (57.1%) | 1.000 | 0.147 |
| Per cent of tobacco inventory that was… | |||||||||||
| Flavoured | 24.6±2.6 | 5.0±1.1 | <0.001* | 1.9±0.8 | <0.001* | 18.2±1.3 | 0.8±0.5 | <0.001* | 20.4±3.0 | 0.002* | <0.001* |
| Menthol | 31.1±1.9 | 35.7±2.3 | 0.132 | 33.9±2.5 | 0.279 | 34.6±2.5 | 27.3±1.4 | 0.010* | 28.6±2.4 | 0.040* | 0.652 |
| Unflavoured | 42.9±2.7 | 56.7±3.1 | 0.002* | 65.5±2.4 | <0.001* | 40.8±2.5 | 70.3±1.9 | <0.001* | 39.3±3.4 | <0.001* | <0.001* |
| Exterior ads (% yes) | |||||||||||
| Any | 25 (61.0%) | 24 (58.5%) | 1.000 | 23 (59.0%) | 1.000 | 25 (67.6%) | 23 (62.2%) | 0.688 | 6 (42.9%) | 0.309 | 0.214 |
| Flavoured | 5 (12.2%) | 3 (7.3%) | 0.688 | 0 (0.0%) | 0.063 | 8 (21.6%) | 5 (13.5%) | 0.375 | 2 (14.3%) | 0.592 | 1.000 |
| Menthol | 19 (46.3%) | 15 (36.6%) | 0.219 | 16 (41.0%) | 0.754 | 23 (62.2%) | 21 (56.8%) | 0.727 | 5 (35.7%) | 0.953 | 0.180 |
| Unflavoured | 21 (51.2%) | 22 (53.7%) | 1.000 | 19 (48.7%) | 1.000 | 22 (59.5%) | 23 (62.2%) | 1.000 | 3 (21.4%) | 0.037* | 0.009* |
| % of Exterior ads that were menthol† | 41.4±6.3 | 34.1±6.9 | 0.794 | 41.1±7.1 | 0.482 | 53.8±5.7 | 38.6±3.7 | 0.031* | 55.6±17.2 | 0.286 | 0.144 |
*P<0.05; values are n (%) or mean±SE; p values are from McNemar’s or paired t-tests in within-city comparisons, and from Χ2 (or Fisher’s exact) or two-sample t-tests for between-city comparison.
†Only includes retailers with at least one exterior ad in both rounds: n=21 and 19 for Minneapolis pre/post, n=21 for Saint Paul pre/post, n=6 for Brooklyn Park.