Table 5.
Correlation matrix for the broad set of explanatory variables considered in the analysis of risk factors associated with the SCM among lactating cow in the Savannah region of Nigeria
| Variable | A | B | C | D | E | F | G | H | I | J | K | L |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
A |
1 |
|
|
|
|
|
|
|
|
|
|
|
|
B |
0.9637 |
1 |
|
|
|
|
|
|
|
|
|
|
|
C |
0.0273 |
0.0148 |
1 |
|
|
|
|
|
|
|
|
|
|
D |
0.143 |
0.0945 |
0.0702 |
1 |
|
|
|
|
|
|
|
|
|
E |
0.0397 |
0.0434 |
0.5789 |
0.0182 |
1 |
|
|
|
|
|
|
|
|
F |
−0.1778 |
−0.1315 |
−0.3027 |
−0.2847 |
−0.1752 |
1 |
|
|
|
|
|
|
|
G |
−0.0949 |
−0.0563 |
−0.0903 |
−0.208 |
−0.1284 |
0.3426 |
1 |
|
|
|
|
|
|
H |
0.018 |
0.0298 |
0.5884 |
0.022 |
−0.027 |
−0.1781 |
0.0397 |
1 |
|
|
|
|
|
I |
−0.018 |
−0.0298 |
−0.5884 |
−0.022 |
0.027 |
0.1781 |
−0.0397 |
−1 |
1 |
|
|
|
|
J |
−0.019 |
−0.0751 |
0.4626 |
0.1916 |
0.2678 |
−0.6544 |
−0.217 |
0.2722 |
−0.2722 |
1 |
|
|
|
K |
−0.1964 |
−0.1503 |
−0.3469 |
−0.3396 |
−0.2008 |
0.8725 |
0.373 |
−0.2041 |
0.2041 |
−0.75 |
1 |
|
| L | −0.0015 | −0.0016 | 0.0004 | −0.0012 | 0.0073 | 0.0016 | 0.0012 | 0.0002 | −0.0002 | 0.0009 | 0.0018 | 1 |
A = age, B = parity, C = washing hands before milking, D = breed, E = heifer and cow, F = month, G = cow type, H = pre-striping before milking, I = feeding after milking, J = washing of teats, K = management system, L = quarter.