Table 1

Predicting Respiratory Symptoms (N = 6,883)

Predictor
B
Standard Error
Wald Test
Odds Ratio

Age
-0.013
.003
19.2*
0.98
Sex
0.351
.066
28.5*
1.42
Cigarettes
0.069
.004
371.9*
1.07
Marijuana
0.021
.003
42.9*
1.02
Vaporizer
-0.911
.424
4.6*
0.40
Cigarettes × Marijuana
-0.158
.035
20.4*
0.85
Vaporizer × Cigarettes
-0.025
.035
0.5
0.98
Vaporizer × Marijuana
0.072
.035
4.2*
1.07
Vaporizer × Cigarettes × Marijuana
-0.003
.003
0.8
0.99

* p < .05

Earleywine and Barnwell Harm Reduction Journal 2007 4:11   doi:10.1186/1477-7517-4-11