Parameter | df | Estimate | SE | χ2 | Pr>χ2 |
Intercept | 1 | −6.3229 | 0.3025 | 436.9416 | <0.0001 |
Renter | 1 | 0.5334 | 0.2287 | 5.4372 | 0.0197 |
Non-single-family house | 1 | 0.0416 | 0.2307 | 0.0325 | 0.8570 |
Number in household | |||||
Under 18 | 1 | 0.2094 | 0.0763 | 7.5360 | 0.0060 |
18–64 | 1 | 0.0572 | 0.0893 | 0.4104 | 0.5218 |
Over 64 | 1 | −0.9570 | 0.3056 | 9.8030 | 0.0017 |
Household head education | |||||
Some college | 1 | 0.2250 | 0.2602 | 0.7476 | 0.3872 |
College graduate | 1 | 0.4140 | 0.2240 | 3.4151 | 0.0646 |
Postgraduate | 1 | 0.7390 | 0.2625 | 7.9266 | 0.0049 |
Number of smokers | 1 | 0.3245 | 0.0991 | 10.7280 | 0.0011 |
Based on 2009 non-fire households and 314 fire households with non-cooking fires. The reference case is the same as table 3. Likelihood ratio χ2 212.6134 at 9 degrees of freedom (df) and Wald χ2 58.2489, both p<0.0001. Education terms (college graduate, postgraduate and some college) are with reference to technical/vocational school, high school graduate or less education, collapsed together as no college. Overall statistics on the education variable are as follows: Wald χ2 8.6495 at 3 df, p=0.0343.