Table 5.
Statistically significant predictors of past-month cigarette butt littering † among smokers (n = 1,000).
| Bivariate | Multivariate * | |||
|---|---|---|---|---|
| OR | 95%CI | OR | 95%CI | |
| Gender | ||||
| Male | 1.54 | (1.19, 1.99) | 1.49 | (1.14, 1.94) |
| Female | Ref | Ref | ||
| Race | ||||
| White | Ref | Ref | ||
| Black/AA | 1.78 | (1.06, 2.97) | 1.69 | (1.00, 2.87) |
| Asian or PI | 1.20 | (0.68, 2.11) | 0.99 | (0.55, 1.78) |
| NA/AN | 1.06 | (0.28, 3.99) | 0.98 | (0.24, 3.94) |
| Mixed Race | 1.49 | (0.72, 3.07) | 1.85 | (0.88, 3.86) |
| Declined | 1.20 | (0.57, 2.56) | 1.02 | (0.47, 2.23) |
| Cigarette butts are biodegradable | ||||
| Strongly Disagree/Disagree/DK | Ref | Ref | ||
| Strongly Agree/ Agree | 1.58 | (1.16, 2.17) | 1.31 | (0.95, 1.83) |
| Do you consider cigarette butts to be litter? | ||||
| No/DK | 4.26 | (2.70, 6.70) | 4.00 | (2.53, 6.32) |
| Yes | Ref | Ref | ||
* The multivariate model includes only those significant variables in bivariate analysis. OR = Odds ratio; Ref = referent. † Past-month littering = Disposing of cigarette butts on the ground, in a sewer/gutter, or down a drain within the last 30 days.