Table 2.
Vape shop characteristics (n = 61) using t-test or simple logistic regression.
| Variable | Subvariable | Year 1 (n = 61) Mean (SD); Range or Frequency (%) | Year 2 (n = 61) Mean (SD); Range or Frequency (%) | Significance (p-Value) |
|---|---|---|---|---|
| Number of e-cig flavors a | 127.60 (77.20); 25–400 | 114.60 (66.40); 20–300 | 0.321 | |
| Nicotine levels sold (mg/mL) b | 0 | 59 (98) c | 61 (100) | 0.959 |
| 3 | 46 (77) c | 61 (100) | 0.934 | |
| 6 | 57 (95) c | 61 (100) | 0.953 | |
| 12 | 58 (97) c | 60 (98) | 0.557 | |
| 18 | 51 (85) c | 45 (74) | 0.131 | |
| 20 | 3 (5) c | 3 (5) | 0.983 | |
| 24 | 25 (42) c | 16 (26) | 0.075 | |
| Free trial e-cig puffs b | Yes | 61 (100) | 61 (100) | N/A |
| Method of offering | Display | 39 (64) | 18 (30) | <0.001 *,B |
| free trial e-cigarette puffs b | Face-to-face | 51 (84) | 60 (98) | 0.021 * |
| Free nicotine e-cigarette sample b | Yes | 34 (56) | 30 (49) | 0.469 |
| Sell dry herb atomizers, vaporizers, or pens b | Yes | 19 (31) | 19 (31) | N/A |
| Customers mix e-juice b | Yes | 14 (23) | 22 (36) | 0.115 |
| Shop mixes e-juice b | Yes | 17 (28) | 14 (23) | 0.533 |
| Sell pre-mixed e-juice b | Yes | 55 (90) | 60 (98) | 0.087 |
| Employee trainings b | Yes | 51 (84) | 59 (98) c | 0.022 * |
| Nicotine toxicity education b | Yes | 27 (44) | 25 (42) c | 0.773 |
| Nicotine spills in shop b | Yes | 43 (70) | 59 (97) c | 0.001 *,B |
| Touch nicotine in shop | Yes | 38 (62) | 54 (89) | 0.001 *,B |
| Safety equipment (SE) | Yes | 51 (84) | 46 (75) | 0.265 |
| SE for nicotine contact | Yes | 28 (55) d,e | 27 (59) e | 0.369 |
a Independent t-test. b Simple logistic regression. c One missing response omitted (n = 60). d Eleven missing responses not omitted for count (i.e., 28 out of 61 answered yes). e Percentages out of those who answered yes: Year 1: 28/51 = 55; Year 2: 27/46 = 59. * Significant p-value. B p-Value remains significant after a conservative Bonferroni correction for multiple tests (0.006).