Table 3:
Odds ratios (and 95% confidence intervals) for the relationship between time use group and each vaping outcome, 2017-2019 by year, adjusted*
| Overall | 2017 | 2018 | 2019 | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Past 30-day Nicotine Vaping | ||||||||||||
| Low Social/Disengaged | 1.13 | (0.92, | 1.41) | 1.38 | (0.83, | 2.29) | 0.86 | (0.59, | 1.24) | 1.20 | (0.86, | 1.67) |
| Workers | 5.69 | (4.76, | 6.81) | 8.78 | (5.97, | 12.92) | 4.89 | (3.70, | 6.46) | 5.26 | (3.93, | 7.03) |
| High Social / Disengaged | 3.97 | (3.25, | 4.85) | 6.03 | (3.97, | 9.17) | 2.96 | (2.21, | 3.97) | 3.95 | (2.91, | 5.36) |
| High Social / Engaged – More Supervision | 3.55 | (3.07, | 4.10) | 4.65 | (3.34, | 6.47) | 3.43 | (2.74, | 4.30) | 3.14 | (2.53, | 3.88) |
| High Social / Engaged – Less Supervision | 7.35 | (6.13, | 8.81) | 10.20 | (6.90, | 15.10) | 7.03 | (5.22, | 9.47) | 6.25 | (4.68, | 8.35) |
| Ref = Low Social/Engaged | - | - | - | - | - | - | - | - | - | - | - | - |
| Past 30-day Cannabis Vaping | ||||||||||||
| Low Social/Disengaged | 1.26 | (0.90, | 1.76) | 0.72 | (0.32, | 1.63) | 1.19 | (0.65, | 2.18) | 1.35 | (0.85, | 2.13) |
| Workers | 5.84 | (4.61, | 7.39) | 10.04 | (6.36, | 15.87) | 6.58 | (4.26, | 10.17) | 4.32 | (3.07, | 6.08) |
| High Social / Disengaged | 4.65 | (3.57, | 6.05) | 5.94 | (3.46, | 10.22) | 4.25 | (2.73, | 6.63) | 4.41 | (2.94, | 6.60) |
| High Social / Engaged – More Supervision | 3.32 | (2.66, | 4.15) | 4.65 | (2.96, | 7.30) | 3.76 | (2.61, | 5.40) | 2.71 | (1.94, | 3.80) |
| High Social / Engaged – Less Supervision | 7.92 | (6.16, | 10.20) | 14.50 | (8.75, | 24.03) | 8.48 | (5.35, | 13.44) | 5.71 | (3.87, | 8.42) |
| Ref = Low Social/Engaged | - | - | - | - | - | - | - | - | - | - | - | - |
*
Adjusted for several covariates related to demographic factors, including sex (binary male/female), race and ethnicity (White, Black, Hispanic/Latino, Multiracial, or Other), grade (8th, 10th, 12th ), urbanicity (whether an adolescent resided in a Metropolitan Statistical Area), highest level of parental education (less than high school, high school graduate, college graduate), and school type (public, private Non-Catholic, private Catholic).
**
Interaction between year and time use group predicting each outcome: p=0.0644 for nicotine; p=0.0075 for cannabis