TABLE 1.
Logistic Regression Predicting Susceptibility to Any Tobacco Product Among Never-Using Adolescents
| Variable | Population | Susceptible | ||||||
|---|---|---|---|---|---|---|---|---|
| n | % | 95% CI | % | 95% CI | aOR | 95% CI | P | |
| Age, y | ||||||||
| 12–13 | 4312 | 39.5 | 38.6–40.5 | 34.9 | 33.5–36.4 | Ref | — | — |
| 14–15 | 3689 | 34.1 | 33.2–35.0 | 47.7 | 45.9–49.5 | 1.38 | 1.25–1.53 | <.001 |
| 16–17 | 2750 | 26.4 | 25.6–27.2 | 52.1 | 50.1–54.1 | 1.44 | 1.28–1.61 | <.001 |
| Sex | ||||||||
| Male | 5422 | 50.4 | 49.5–51.4 | 43.5 | 42.1–44.9 | 1.12 | 1.02–1.24 | .02 |
| Female | 5329 | 49.6 | 48.6–50.5 | 44.1 | 42.7–45.7 | Ref | — | — |
| Race/ethnicity | ||||||||
| NH white | 5107 | 53.6 | 52.6–54.5 | 41.5 | 39.9–43.2 | Ref | — | — |
| NH African American | 1538 | 14.4 | 13.8–15.1 | 48.3 | 45.4–51.2 | 1.46 | 1.25–1.70 | <.001 |
| Hispanic | 3132 | 22.4 | 21.6–23.2 | 46.7 | 44.9–48.5 | 1.63 | 1.47–1.81 | <.001 |
| Asian | 318 | 5.2 | 4.8–5.6 | 36.8 | 31.5–42.4 | 1.14 | 0.87–1.49 | .34 |
| Other | 656 | 4.5 | 4.1–4.9 | 50.1 | 45.8–54.5 | 1.32 | 1.07–1.63 | .009 |
| School performance | ||||||||
| Mostly A’s | 3003 | 30.0 | 29.0–31.0 | 37.2 | 35.5–39.0 | 0.72 | 0.63–0.82 | <.001 |
| A’s and B’s | 3796 | 34.8 | 33.9–35.7 | 44.2 | 42.4–46.3 | 0.89 | 0.78–1.01 | .08 |
| Other | 3952 | 35.2 | 34.1–36.3 | 49.0 | 47.3–50.7 | Ref | — | — |
| Parental educationa | ||||||||
| Less than HS graduate | 2184 | 17.2 | 16.1–18.5 | 43.5 | 41.5–45.6 | Ref | — | — |
| HS graduate | 2408 | 21.3 | 20.2–22.5 | 42.2 | 40.2–44.2 | 0.92 | 0.81–1.05 | .21 |
| Some college | 2876 | 26.9 | 25.6–28.3 | 44.4 | 42.4–46.5 | 1.00 | 0.89–1.13 | .97 |
| College graduate | 3205 | 33.8 | 31.6–36.0 | 44.5 | 42.5–46.4 | 1.25 | 1.09–1.43 | .001 |
| No data | 78 | 0.8 | 0.06–1.0 | 45.2 | 34.0–56.9 | 1.08 | 0.67–1.74 | .77 |
| Tobacco user in HH | ||||||||
| No | 7427 | 70.3 | 68.6–72.0 | 41.0 | 39.6–42.4 | — | — | — |
| Yes | 3324 | 29.7 | 28.0–31.4 | 50.5 | 48.6–52.5 | 1.19 | 1.06–1.34 | .003 |
| Exposure to smoking | ||||||||
| Some exposure | 3834 | 35.0 | 33.8–36.3 | 53.5 | 51.8–55.1 | 1.39 | 1.26–1.54 | <.001 |
| No exposure | 6917 | 65.0 | 63.7–66.2 | 38.6 | 37.3–39.9 | Ref | — | — |
| Ad receptivity | ||||||||
| None | 5762 | 54.1 | 53.0–55.3 | 34.3 | 32.9–35.6 | Ref | — | — |
| Low | 3741 | 34.1 | 33.0–35.3 | 50.4 | 48.5–52.2 | 1.38 | 1.24–1.53 | <.001 |
| Moderate | 1070 | 10.1 | 9.5–10.7 | 65.4 | 62.2–68.4 | 2.39 | 2.02–2.84 | <.001 |
| High | 178 | 1.7 | 1.4–2.0 | 87.7 | 81.2–92.2 | 6.73 | 3.90–11.61 | <.001 |
| Internalizing problems | ||||||||
| None | 3627 | 33.5 | 32.4–34.5 | 28.9 | 27.3–30.5 | Ref | — | — |
| Low–moderate | 3606 | 33.8 | 32.7–34.9 | 43.4 | 41.8–45.1 | 1.34 | 1.19–1.51 | <.001 |
| High | 3518 | 32.8 | 31.6–34.0 | 59.4 | 57.3–61.5 | 1.62 | 1.42–1.84 | <.001 |
| Externalizing problems | ||||||||
| None | 3767 | 35.0 | 33.8–36.1 | 26.2 | 24.6–27.8 | Ref | — | — |
| Low–moderate | 4198 | 38.9 | 37.9–39.9 | 46.9 | 45.2–48.6 | 1.55 | 1.39–1.73 | <.001 |
| High | 2786 | 26.1 | 25.1–27.1 | 62.8 | 60.6–65.0 | 2.07 | 1.81–2.37 | <.001 |
| Sensation seeking | ||||||||
| None | 6536 | 61.0 | 60.0–62.0 | 34.3 | 33.1–35.5 | Ref | — | — |
| Low–moderate | 3678 | 34.0 | 33.1–34.9 | 56.3 | 54.4–58.1 | 1.58 | 1.43–1.76 | <.001 |
| High | 537 | 5.0 | 4.6–5.4 | 75.2 | 70.5–79.3 | 2.52 | 1.92–3.29 | <.001 |
| Substance use problems | ||||||||
| None | 10 251 | 95.5 | 95.1–95.9 | 42.3 | 41.3–43.4 | Ref | — | — |
| Low–moderate | 426 | 3.9 | 3.5–4.3 | 74.5 | 69.7–78.8 | 0.99 | 0.74–1.32 | .95 |
| High | 74 | 0.6 | 0.5–0.8 | 82.8 | 72.7–89.8 | 1.41 | 0.74–2.69 | .30 |
| Used other substances | ||||||||
| No | 7269 | 66.8 | 65.5–68.1 | 32.0 | 30.9–33.1 | Ref | — | — |
| Yes | 3482 | 33.2 | 31.9–34.5 | 67.6 | 66.0–69.2 | 2.99 | 2.69–3.33 | <.001 |
Percentages, confidence limits, odds ratios, and P values are all weighted estimates. Other categories presented in the table may include respondents who did not provide data for the question. HH, household; HS, high school; NH, non-Hispanic; Ref, reference.
a
There were 78 records that did not include information on parental educational level.