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Table 1 Fit statistics for the different models

From: The development of emotional overeating: a longitudinal twin study from toddlerhood to early adolescence

Model No.

Model Name

Compared to Model

ep

df

-2LL

AIC

Δχ²

p-value

1

Fully saturated model

-

54

6744

-5435.711

-5327.711

-

-

2

Sub model 1a

1

42

6756

-5411.441

-5327.441

12

0.19

3

Sub model 1b

2

21

6777

-5389.997

-5347.997

21

0.43

4

Full ACE Cholesky Decomposition

1

21

6777

-5389.997

-5347.997

33

0.07

  1. Abbreviations: ep: estimated parameters, df: degrees of freedom, -2LL: -2 Log Likelihood, AIC: Akaike’s Information Criterion, Δχ²: difference in chi-squared. Sub model 1a: Constrained model which assumes equal means and variances across twin order; Sub model 1b: Constrained Model assumes equal mean and variances across twin order as well as zygosity groups