|  | Model (1) | Model (2) | Model (3) | |||
---|---|---|---|---|---|---|---|
Response variable | (Level) | B1 | (0, 1a) | B2 | (0, 1a) | B3 | (0, 1a) |
Level | (Count) | 0 | (205) | 0 | (374) | 0 | (331) |
 |  | 1 | (234) | 1 | (65) | 1 | (41) |
 |  | Total | (439) | Total | (439) | Total | (372c) |
Predictor variable | (Level) | X1 | Â | X1 | Â | X1 | Â |
 |  | T1 | Ub, R | T1 | Ub, R | T1 | Ub, R |
 |  | T2 | Sgb, Cs, Cd | T2 | Sgb, Cs, Cd | T2 | Sgb, Cd |
 |  |  |  | B1 | (0b, 1) | B1 | (0b, 1) |
 |  |  |  |  |  | B2 | (0b, 1) |
Variable | Level | Coefficient (Z value) | Odds ratio | Coefficient (Z value) | Odds ratio | Coefficient (Z value) | Odds ratio |
---|---|---|---|---|---|---|---|
Intercept |  | −1.291 (−3.91) |  | −2.374 (−5.27) |  | −4.445 (−5.75) |  |
X1 | Â | 0.337 (7.59***) | 1.40 | 0.110 (3.00***) | 1.12 | 0.092 (1.86*) | 1.10 |
T1 | R | −0.122 (−0.52) | 0.88 | 0.650 (1.82*) | 1.92 | 0.569 (1.07) | 1.77 |
T2 | Cs | 0.766 (1.95*) | 2.15 | −0.904 (−1.29) | 0.40 |  |  |
 | Cd | 0.607 (1.89*) | 1.83 | 0.269 (0.67) | 1.31 | 0.865 (1.37) | 2.38 |
B1 | 1 |  |  | −0.769 (−2.39**) | 0.46 | −0.443 (−0.97) | 0.64 |
B2 | 1 | Â | Â | Â | Â | 2.803 (7.19***) | 16.50 |
Model significance test | |||||||
 Log likelihood |  | −254.046 |  | −171.189 |  | −92.820 |  |
 Chi-Sq |  | 98.574 |  | 25.799 |  | 72.502 |  |
 DF |  | 4 |  | 5 |  | 5 |  |
 P value |  | 0.000*** |  | 0.000*** |  | 0.000*** |  |
Measures of association | |||||||
 Somers’ D |  | 0.55 |  | 0.39 |  | 0.73 |  |
 Goodman–Kruskal γ |  | 0.55 |  | 0.39 |  | 0.73 |  |
 Kendall’s τ A |  | 0.27 |  | 0.10 |  | 0.14 |  |
Prediction pair type | Â | Count | Proportion | Count | Proportion | Count | Proportion |
---|---|---|---|---|---|---|---|
Concordant pairs | Â | 36,985 | 0.771 | 16,712 | 0.687 | 11,650 | 0.858 |
Discordant pairs | Â | 10,759 | 0.224 | 7272 | 0.299 | 1800 | 0.133 |
Tied pairs | Â | 226 | 0.005 | 326 | 0.013 | 121 | 0.009 |
Total | Â | 47,970 | 1.000 | 24,310 | 1.000 | 13,571 | 1.000 |