Table 5.
Multivariate model fit indices for ADHD, CD and ODD symptoms, age 9–10 years
| Overall Fit | Model comparisons | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Models# | -2LL | DF | AIC | BIC | χ2 | df | p | Δχ2 | Δdf | p |
| 1 Saturated | 921.59 | 3482 | -- | -- | -- | -- | -- | -- | -- | -- |
| 2 Independent pathway | 1031.07 | 3575 | −76.52 | −10957.29 | 109.48 | 93 | 0.12 | -- | -- | -- |
| 3 Common pathway | 1045.66 | 3583 | −77.93 | −10975.67 | 124.07 | 101 | 0.06 | 14.59 | 8 | 0.07 |
| 3a Equate factor loadings in males and females | 1049.11 | 3586 | −80.48 | −10983.58 | 127.52 | 104 | 0.06 | 3.45 | 3 | 0.33 |
| 3b Equate factor loadings and common ACE in males and females | 1051.89 | 3589 | −83.70 | −10991.81 | 130.30 | 107 | 0.06 | 6.22 | 6 | 0.40 |
| 3c Equate factor loadings, common ACE and unique ACE in males and females | 1064.58 | 3598 | −89.01 | −11014.35 | 142.99 | 116 | .045 | 18.91 | 15 | 0.22 |
Note. -2LL = −2(log-likelihood) AIC = Akaike’s Information Criterion; BIC = Bayesian Information Criterion; df = degrees of freedom; Δχ2 = difference in log-likelihoods between nested models, Model 2 is compared to Model 1, Model 3 is compared to 2, Models 3a thru 3c are compared to Model 3.