Table 4.
Module 4: Classification by ADOS-2, SCQ and SRS
| Model fit | Correct classification | Variables | b (SE) | Wald (df = 3.84) | Odd`s ratio | p | |||
|---|---|---|---|---|---|---|---|---|---|
| χ2 | − 2 LL | R 2 | (%) | ||||||
| Autism and autism spectrum classification (n = 175) | |||||||||
| Model 1 | 3.37 (p = 0.066) |
51.67 | 0.08 | 88.0 | ADOS-2 | 1.61 (0.83) | 3.79 | 5.00 | 0.052 |
| Model 2 | 3.49 (p = 0.174) |
51.54 | 0.09 | 88.0 | ADOS-2 SRS |
1.59 (0.83) – 0.38 (1.13) |
3.70 0.68 |
4.9 0.68 |
0.054 0.734 |
| Model 3 | 4.12 (p = 0.127) |
50.92 | 0.10 | 88.0 | ADOS-2 SCQ |
1.39 (0.87) 0.69 (0.78) |
2.55 0.78 |
4.00 2.00 |
0.110 0.376 |
| Model 4 | 4.32 (p = 0.229) |
50.72 | 0.11 | 88.0 | ADOS-2 SRS SCQ |
1.33 (0.88) – 0.48 (1.13) 0.74 (0.79) |
2.29 0.18 0.86 |
3.73 0.62 2.09 |
0.132 0.671 0.354 |
| Autism classification (n = 55) | |||||||||
| Model 1 | 10.62 (p = 0.001) |
38.40 | 0.30 | 83.6 | ADOS-2 | 2.59 (0.83) | 9.70 | 13.33 | 0.002 |
| Model 2 | 10.64 (p = 0.005) |
38.38 | 0.30 | 85.5 | ADOS-2 SRS |
2.59 (0.83) 0.14 (1.30) |
9.64 0.12 |
13.45 1.15 |
0.002 0.914 |
| Model 3 | 13.75 (p = 0.001) |
35.27 | 0.37 | 87.3 | ADOS-2 SCQ |
2.85 (0.93) 1.57 (0.93) |
9.42 2.85 |
17.33 4.82 |
0.002 0.091 |
| Model 4 | 14.04 (p = 0.003) |
50.72 | 0.38 | 87.3 | ADOS-2 SRS SCQ |
2.85 (0.94) – 0.77 (1.47) 1.75 (0.99) |
9.25 0.27 3.97 |
17.28 0.46 5.75 |
0.002 0.604 0.046 |
| Autism spectrum classification (n = 29) | |||||||||
| Model 1 | 0.58 (p = 0.446) |
35.34 | 0.03 | 69.0 | ADOS-2 | 0.69 (0.90) | 0.59 | 2.00 | 0.442 |
| Model 2 | 1.28 (p = 0.528) |
34.64 | 0.06 | 69.0 | ADOS-2 SRS |
0.64 (0.91) – 0.93 (1.18) |
0.49 0.61 |
1.89 0.39 |
0.484 0.434 |
| Model 3 | 1.28 (p = 0.528) |
34.64 | 0.06 | 69.0 | ADOS-2 SCQ |
0.44 (0.96) 0.75 (0.89) |
0.22 0.70 |
1.56 2.11 |
0.642 0.402 |
| Model 4 | 2.05 (p = 0.562) |
33.87 | 0.09 | 69.0 | ADOS-2 SRS SCQ |
0.33 (1.01) – 0.99 (1.21) 0.81 (0.92) |
0.11 0.67 0.77 |
1.39 0.37 2.26 |
0.740 0.412 0.379 |
L log likelihood, R. Nagelkerkes R2, b regression coefficient, SE standard error, SRS Social Responsiveness scale, SCQ Social Communication Questionnaire