TABLE 2—
Odds Ratios for Cigarette-Caused Fires After Compared With Before Massachusetts FSCL and Covariates Adjusted in Multivariate Logistic Regression: 2004–2010
| Covariate | OR (95% CI) | P |
| FSCL, post-FSCL: pre-FSCL | 0.72 (0.59, 0.88) | .001 |
| Chronological time, per y | 1.11 (1.06, 1.17) | < .001 |
| Area of origin | ||
| Living areas: non–living areas | 1.56 (1.38, 1.77) | < .001 |
| Undetermined: non–living areas | 0.22 (0.05, 0.91) | .37 |
| Substrate | ||
| Furniture, bedding, or soft goods: other | 1.47 (1.32, 1.64) | < .001 |
| Undetermined: other | 0.72 (0.56, 0.93) | .011 |
| Human factors, yes: no | 2.11 (1.87, 2.38) | < .001 |
| Time of day,a night: d | 0.87 (0.79, 0.97) | .01 |
| Days of week,b weekend: weekday | 1.05 (0.94, 1.16) | .419 |
| Seasonc | ||
| Winter: fall | 0.84 (0.72, 0.99) | .033 |
| Spring: fall | 1.57 (1.35, 1.81) | < .001 |
| Summer: fall | 1.10 (0.94, 1.29) | .241 |
Note. CI = confidence interval; FSCL = Fire Safe Cigarette Law; OR = odds ratio.
a
Night (6:00 PM to 5:59 AM), day (6:00 AM to 5:59 PM).
b
Days of week not included in final model.
c
Winter = December through February; spring = March through May; summer = June through August; Fall = September through November.