Table 4.
Two way ANOVA taking sperm count as dependent variable and psychological distress and CYP1A1 gene polymorphisms as independent variables (n = 80)
| CYP1A1*4 C > Aa | |||||
| Type III sum of squares | Degree of Freedom | Mean Square | F value | P value | |
| Corrected Model | 36223.220a | 5 | 7244.644 | 07.383 | <0.001 |
| Intercept | 78599.320 | 1 | 78599.320 | 80.098 | 0.001 |
| CYP1A1*4 C > A Polymorphism | 14681.909 | 2 | 340.954 | 07.481 | <0.001 |
| Distress | 13708.246 | 1 | 13708.246 | 13.970 | <0.001 |
| Interaction of CYP1A1*4 C > A Polymorphism with Distress | 3145.427 | 2 | 1572.714 | 01.603 | 0.208 |
| CYP1A1*2C A > Gb | |||||
| Corrected Model | 42386.59b | 5 | 8477.31 | 09.44 | 0.000 |
| Intercept | 130860.45 | 1 | 130860.40 | 145.72 | 0.000 |
| CYP1A1*2C A > G Polymorphism | 7497.00 | 1 | 7497.00 | 08.34 | 0.005 |
| Distress | 21793.27 | 2 | 10896.63 | 12.13 | 0.000 |
| Interaction of CYP1A1*2C A > G Polymorphism with Distress | 1912.36 | 2 | 956.18 | 01.06 | 0.350 |
aR Squared = 0.333 (Adjusted R Squared = 0.288). bR Squared = 0.460 (Adjusted R Squared = 0.423)