Table 3.
Factors associated with e-cigarette susceptibility and current e-cigarette use pre-and -during COVID.
| E-cigarette use susceptibility (n=1,597) | Current e-cigarette user (n=3,729) | |||||||
|---|---|---|---|---|---|---|---|---|
| OR | 95% CI | AOR | 95% CI | OR | 95% CI | AOR | 95% CI | |
| Wave | ||||||||
| Pre-COVID | Ref. | Ref | Ref. | Ref. | ||||
| During COVID | 0.74 ** | (0.62 – 0.87) | 0.70 | (0.44 – 1.12) | 0.43 ** | (0.38 – 0.49) | 0.38 ** | (0.31 – 0.46) |
| Frequency visit stores | ||||||||
| Never | Ref. | Ref | Ref | Ref. | ||||
| Sometimes | 1.60 ** | (1.27 – 2.02) | 1.02 | (0.68 – 1.51) | 1.73 ** | (1.42 – 2.11) | 0.93 | (0.72 – 1.21) |
| Frequently-very frequently | 2.50 ** | (1.87 – 3.34) | 1.83 * | (1.19 – 2.82) | 2.60 ** | (2.09 – 3.24) | 1.13 | (0.84 – 1.53) |
| Ads cigarettes | ||||||||
| Never | Ref | Ref | Ref. | Ref. | ||||
| Sometimes | 2.17 ** | (1.77 – 2.65) | 1.94 * | (1.33 – 2.82) | 1.58 ** | (1.35 – 1.85) | 0.91 | (0.69 – 1.17) |
| Frequently-very frequently | 2.49 ** | (1.63 – 3.78) | 1.62 | (0.84 – 3.11) | 2.25 ** | (1.75 – 2.91) | 0.67 | (0.45 – 1.00) |
| Ads e-cigarettes | ||||||||
| Never | Ref | Ref | Ref. | Ref. | ||||
| Sometimes | 2.15 ** | (1.75 – 2.63) | 1.15 | (0.79 – 1.67) | 1.95 ** | (1.63 – 2.33) | 1.33 * | (1.02 – 1.74) |
| Frequently-very frequently | 3.79 ** | (2.59 – 5.53) | 1.75 | (0.98 – 3.12) | 3.83 ** | (3.05 – 4.82) | 1.84 * | (1.20 – 2.48) |
| Sex, % | ||||||||
| Female | Ref. | Ref. | Ref. | Ref | ||||
| Male | 0.75 * | (0.60 – 0.94) | 0.75 * | (0.59 – 0.95) | 1.21* | (1.02 – 1.42) | 1.36 * | (1.11 – 1.68) |
| School grade | ||||||||
| 7th – 8th grade | Ref. | Ref | Ref. | Ref. | ||||
| 9th grade | 1.02 | (0.82 – 1.26) | 0.97 | (0.76 – 1.24) | 1.96 ** | (1.58 – 2.41) | 1.58 * | (1.19 −2.09) |
| 10th grade | 0.91 | (0.70 – 1.19) | 0.75 | (0.55 – 1.01) | 2.87 ** | (2.31 – 3.57) | 1.69 * | (1.25 – 2.26) |
| 11th – 12th grade | 0.84 | (0.59 – 1.19) | 0.71 | (0.48 – 1.06) | 3.22 ** | (2.53 – 4.09) | 1.79 ** | (1.28 – 2.47) |
| Parents education | ||||||||
| High-school or less | Ref. | Ref | Ref | Ref | ||||
| University | 1.14 | (0.87 – 1.49) | 0.97 | (0.72 – 1.29) | 0.94 | (0.78 – 1.14) | 0.91 | (0.70 – 1.18) |
| Don’t know | 1.02 | (0.69 – 1.48) | 0.98 | (0.65 – 1.48) | 0.59 * | (0.43 – 0.81) | 0.92 | (0.61 – 1.39) |
| Family smoke | ||||||||
| No | Ref | Ref | Ref. | Ref. | ||||
| yes | 1.35 * | (1.09 – 1.68) | 1.06 | (0.78 – 1.45) | 1.78 ** | (1.52 – 2.07) | 0.88 | (0.71 – 1.08) |
| Friends smoke | ||||||||
| No | Ref. | Ref | Ref | Ref. | ||||
| yes | 1.40 * | (1.14 – 1.72) | 0.98 | (0.68 – 1.42) | 2.52 ** | (2.15 – 2.95) | 0.71 * | (0.54 – 0.93) |
| Family uses e-cigarettes | ||||||||
| No | Ref | Ref | Ref. | Ref. | ||||
| yes | 1.14 | (0.82 – 1.60) | 0.69 | (0.42 – 1.15) | 3.83 ** | (3.24 – 4.54) | 2.84 ** | (2.25 – 3.59) |
| Friends use of e-cigarettes | ||||||||
| No | Ref. | Ref | Ref. | Ref. | ||||
| yes | 1.92 ** | (1.57 – 2.34) | 1.68* | (1.16 – 2.42) | 9.67 ** | (7.52 – 12.42) | 6.49 ** | (4.37 – 8.91) |
| Current smoker | ||||||||
| No | Ref. | Ref. | Ref. | Ref. | ||||
| yes | - | - | - | - | 13.29 ** | (9.98 – 17.69) | 4.59 ** | (3.15 – 6.68) |
| Alcohol use | ||||||||
| No | Ref. | Ref. | Ref. | Ref. | ||||
| yes | 2.80 ** | (2.16 – 3.63) | 2.69 ** | (2.03 – 3.56) | 8.54 ** | (7.09 – 10.27) | 4.27 ** | (3.46 – 5.29) |
| Marihuana use (last year) | ||||||||
| No | Ref. | Ref. | Ref. | Ref. | ||||
| yes | - | - | - | - | 7.02 ** | (5.55 – 8.88) | 3.54 ** | (2.62 – 4.79) |
| Perceived harm (disease) | ||||||||
| I don’t know/ it won’t happen/unlikely | Ref. | Ref | Ref. | Ref. | ||||
| Likely/very likely | 0.79 | (0.61 – 1.02) | 0.81 | (0.61 – 1.07) | 0.74 ** | (0.63 – 0.88) | 1.11 | (0.78 – 1.25) |
| Surely | 0.53 ** | (0.38 – 0.72) | 0.57 * | (0.39 – 0.82) | 0.52 ** | (0.43 – 0.66) | 0.93 | (0.56 – 1.13) |
| Perceived harm (addiction) | ||||||||
| No | Ref. | Ref | Ref | Ref | ||||
| yes | 0.74 * | (0.60 – 0.90) | 0.71 * | (0.56 – 0.89) | 0.89 | (0.77 – 1.03) | 0.94 | (0.77 – 1.15) |
P -values:
*
p-value <0.050,
**
p-value <0.001