Table 1.
Participant characteristics by study year (2014 and 2018) and crude odds ratios for recenta e-cigarette usage at a regional university in Appalachian Kentucky.
| Characteristic and/or Covariate | n (% of study pop.) |
E-cigarette Use cOR (95% CI)b |
|||
|---|---|---|---|---|---|
| 2014 | 2018 | Χ2p | 2014 cOR | 2018 cOR | |
| Ever Used E-cigarette (Vaped) | 173 (33) | 241 (46) | <0.001 | c | c |
| Recenta E-cigarette Use | 93 (18) | 141 (28) | <0.001 | c | c |
| One E-cigarette use per day | 62 (12) | 76 (15) | 0.187 | c | c |
| 2 – 3 E-cigarette uses per day | 12 (2.3) | 28 (5.6) | 0.009 | c | c |
| 4 – 6 E-cigarette uses per day | 9 (1.8) | 13 (2.6) | 0.381 | c | c |
| >7 E-cigarette uses per day | 10 (2.0) | 36 (7.2) | <0.001 | c | c |
| Don’t know # E-cig uses per day | 10 (2.0) | 12 (2.4) | 0.656 | c | c |
| Recenta Use of E-Cig or Cigarette | 152 (30) | 143 (29) | 0.546 | c | c |
| Recent Use of E-Cig & Cigarette | 59 (12) | 48 (10) | 0.290 | c | c |
| Currentd Cigarette Use | 126 (25) | 63 (13) | <0.001 | 13 (7.4–22) | 15 (7.7–28) |
| < 21 years of age | 449 (87) | 447 (86) | 0.561 | 1.2 (0.6–2.5) | 1.9 (1.0–3.6) |
| Female gender | 339 (66) | 276 (53) | <0.001 | 0.4 (0.2–0.6) | 0.5 (0.4–0.8) |
| White, non-Hispanic | 456 (88) | 453 (97) | <0.001 | 0.8 (0.4–1.5) | 0.7 (0.3–2.2) |
| Kentucky Resident | 426 (83) | 424 (84) | 0.695 | 0.8 (0.4–1.4) | 0.4 (0.3–0.7) |
| Commuter Student | 191 (37) | 195 (38) | 0.872 | 0.7 (0.4–1.2) | 0.9 (0.6–1.3) |
| Fraternity/Sorority Life | 99 (19) | 103 (20) | 0.707 | 1.5 (0.9–2.6) | 3.4 (2.1–5.4) |
| Military Service | 16 (3.1) | 27 (5.3) | 0.082 | 3.1 (1.1–9.0) | 0.5 (0.2–1.4) |
| Any Cancer in Family | 241 (46) | 227 (44) | 0.446 | 0.9 (0.6–1.4) | 0.9 (0.6–1.3) |
| Any Asthma in Family | 153 (29) | 144 (28) | 0.603 | 1.0 (0.6–1.6) | 0.8 (0.5–1.2) |
| Parent(s) Smoke and/or Vape | 194 (38) | 184 (36) | 0.430 | 1.7 (1.1–2.7) | 1.1 (0.7–1.6) |
| Believe Policy Promotes Health | 346 (67) | 351 (67) | 0.982 | 0.3 (0.2–0.4) | 0.3 (0.2–0.4) |
| Support E-Cig Campus Ban | 386 (74) | 356 (68) | 0.022 | 0.3 (0.2–0.5) | 0.2 (0.1–0.3) |
a: Recent: Anytime in the previous 30 days.
b: Crude odds ratios (cOR) and 95% confidence interval.
c: Not determined since the characteristic is or includes the outcome of the logistic regression.
d: Current: Smoked > 100 cigarettes in lifetime and currently average smoking more than zero cigarettes per day.