Table 2.
Factor* | df | Partial
association
|
Marginal association
|
||
---|---|---|---|---|---|
χ2 | P | χ2 | P | ||
A | 2 | 2.339 | 0.3105 | 2.339 | 0.3105 |
C | 1 | 3.184 | 0.0743 | 3.184 | 0.0744 |
F | 1 | 7.085 | 0.0078 | 7.085 | 0.0078 |
M | 1 | 0.025 | 0.8746 | 0.025 | 0.8746 |
A × C | 2 | 5.052 | 0.0800 | 3.700 | 0.1572 |
A × F | 2 | 19.690 | 0.0001 | 15.543 | 0.0004 |
A × M | 2 | 4.423 | 0.1096 | 0.776 | 0.6784 |
C × F | 1 | 5.240 | 0.0221 | 2.652 | 0.1035 |
C × M | 1 | 2.782 | 0.0954 | 0.961 | 0.3270 |
F × M | 1 | 79.848 | 0.0000 | 73.584 | 0.0000 |
The factors are denoted as follows: A, anesthesia; C, collection; F, the slope of female origin; M, the slope of male origin. The pair-wise interactions are denoted as A × C, … F × M.