Table 4.
Sensitivity analysis: logistic regression for any 30+ day cessation during the past year, reported at follow-up, among those who made a quit attempt; TUS-CPS 2010–11
| Variable | Percent attaining outcome | Adjusted odds ratio | 95 % CI |
|---|---|---|---|
| E-cigarette ever use status | |||
| Never used | 21.6 | Reference | |
| Used to quit | 11.1 | 0.3 | 0.2–0.5*** |
| Used other than to quit | 17.8 | 0.7 | 0.4–1.3 |
| Pharmaceutical aid used for last quit attempt | |||
| No | 22.4 | Reference | |
| Yes | 16.0 | 0.8 | 0.6–1.1 |
| Age | |||
| 18–24 | 22.6 | Reference | |
| 25–34 | 31.3 | 0.9 | 0.5–1.4 |
| 35–49 | 16.1 | 0.6 | 0.4–1.1 |
| 50+ | 17.5 | 0.6 | 0.4–1.0 |
| Sex | |||
| Female | 20.0 | Reference | |
| Male | 21.1 | 1.0 | 0.8–1.2 |
| Race/Ethnicity | |||
| Non-Hispanic White | 20.9 | Reference | |
| Other | 19.2 | 1.2 | 0.9–1.6 |
| Education | |||
| Less than high school | 9.1 | Reference | |
| High school | 17.6 | 2.0 | 1.4–2.7*** |
| Some college | 28.6 | 2.7 | 1.9–3.8*** |
| College gradate | 24.5 | 2.2 | 1.4–3.5*** |
| Cigarettes smoked per day | |||
| < 15 | 22.5 | Reference | |
| 15+ | 17.8 | 0.8 | 0.6–1.0* |
| Time to 1st cigarette < 30 min from waking | |||
| No | 22.2 | Reference | |
| Yes | 17.4 | 1.1 | 0.8–1.4 |
| Smoking initiated before age 16 years | |||
| No | 20.4 | Reference | |
| Yes | 21.3 | 1.4 | 1.1–1.8* |
*p < 0.05, ***p < 0.001 All data is weighted to be representative of the U.S. population