Table 2 GLM results for the effect of arsenic exposure and cigarette smoking and their interaction on urinary and serum levels of 8-OHdG biomarker
From: Interplay of arsenic exposure and cigarette smoking on oxidative DNA damage in healthy males
GLM | df | Mean square | F | P-values |
|---|---|---|---|---|
Log-Cr-adjusted-U8OHdG-arsenic exposure*cigarette smoking | Â | Â | Â | Â |
 Arsenic exposure | 1 | 0.23 | 19.37 | < 0.001a |
 Cigarette smoking | 1 | 0.05 | 4.13 | 0.044a |
 Arsenic exposure*cigarette smoking | 1 | 0.03 | 2.9 | 0.09 |
 Age | 1 | 0.17 | 14.15 | < 0.001a |
 BMI | 1 | 0.01 | 0.85 | 0.36 |
 R-squared = 0.26 (adjusted R-squared = 0.24) |  |  |  |  |
S-8OHdG-arsenic exposure*cigarette smoking | Â | Â | Â | Â |
 Arsenic exposure | 1 | 4.15 | 13.22 | < 0.001a |
 Cigarette smoking | 1 | 1.25 | 3.97 | 0.048a |
 Arsenic exposure*cigarette smoking | 1 | 0.01 | 0.04 | 0.85 |
 Age | 1 | 1.1 | 3.51 | 0.06 |
 BMI | 1 | 0.006 | 0.02 | 0.89 |
 R-squared = 0.15 (adjusted R-squared = 0.11) |  |  |  |  |