Table 3.
Relative Risk Ratios and 95% Confidence Intervals from Multiple Multinomial Regression Models, NC YTS, 2015 (n=2,922)
| Single Product Users Vs. Non-Tobacco Users | Multiple Product Users Vs. Non-Tobacco Users | Multiple Product Users Vs. Single Product Users | |
|---|---|---|---|
| Model 1 | Model 2 | Model 3 | |
| Individual Level Factors | RRR (95%CI) | RRR (95%CI) | RRR (95%CI) |
| Harm Perceptions | |||
| Tobacco products dangerous | |||
| Disagree vs. Agree | 1.55 (0.90, 2.64) | 1.79 (1.01, 3.18)* | 1.15 (0.72, 1.84) |
| Harm perception of secondhand smoke | |||
| Not harmful vs. harmful | 1.10 (0.55, 2.16) | 1.08 (0.58, 2.05) | 0.99 (0.64, 1.55) |
| Harm perception of secondhand vapor | |||
| Not harmful vs. harmful | 1.86 (1.35, 2.54)*** | 1.79 (1.32, 2.45)*** | 0.96 (0.65, 1.45) |
| Perceived Social Benefits of Smoking | |||
| Smokers are cool | |||
| Yes vs. No | 2.24 (1.52, 3.31)*** | 1.70 (1.11, 2.61)* | 0.76 (0.52, 1.11) |
| Smokers have more friends | |||
| Yes vs. No | 0.94 (0.64, 1.40) | 1.20 (0.86, 1.67) | 1.27 (0.81, 2.00) |
| Household and Peer Influences | |||
| Family members smoke | |||
| One product vs. None | 1.09 (0.81, 1.47) | 1.51 (1.01, 2.26)* | 1.37 (0.84, 2.22) |
| Two or > products vs. None | 1.24 (0.75, 2.03) | 1.83 (0.99, 3.26) | 1.47 (0.75, 2.89) |
| Have friends who smoke | |||
| Yes vs. No | 2.07 (1.54, 2.89)*** | 4.79 (3.42, 6.70)*** | 2.31 (1.73, 3.07)*** |
| Smoking rules at home or family vehicle | |||
| Smoking allowed vs. Not allowed | 1.67 (1.13, 2.49)* | 1.37 (0.96, 1.96) | 0.82 (0.53, 1.25) |
| Exposure to smoking behavior of others at home or in vehicle | 1.09 (1.02, 1.15)* | 1.19 (1.09, 1.30)*** | 1.09 (0.99, 1.20) |
| School, Work, and Community Exposures | |||
| Exposure to secondhand smoke in school, workplace, or public places | 1.02 (0.84, 1.23) | 1.12 (0.95, 1.32) | 1.10 (0.94, 1.28) |
| Exposure to secondhand vapor in school, workplace, or public places | 1.22 (1.11, 1.35)*** | 1.35 (1.23, 1.48)*** | 1.10 (1.02, 1.18)** |
| Receptivity to and Exposure to Marketing | |||
| Wear things with tobacco industry logo/ ads | |||
| Likely vs. Unlikely | 2.34 (1.65, 3.32)*** | 4.01 (2.87, 5.61)*** | 1.71 (1.17, 2.50)** |
| Exposure to tobacco ads on internet | |||
| Sometime / always vs. never | 0.87 (0.62, 1.22) | 0.81 (0.62, 1.05) | 0.93 (0.64, 1.33) |
| Exposure to tobacco ads in stores | |||
| Sometime / always vs. never | 0.65 (0.43, 1.01) | 1.06 (0.60, 1.86) | 1.62 (1.01, 2.61)* |
Note. Models adjust for age, sex, race and student’s weekly discretionary income; RRR=Relative Risk Ratio and 95% Confidence Interval;
*
p<.05
**
p<.01,
***
p<.001, weighted estimates