Table 6 Model fit indices of the ACE regression models between later exercise behavior and early motor development
Baseline Model | Model | Model fit indices | ||||
|---|---|---|---|---|---|---|
−2LL | AIC | χ2 | ∆df | p-value | ||
Males | Â | Â | Â | Â | Â | Â |
|  | ACE regression model | 156338.7 | 156488.7 | — | — | — |
ACE regression model | ACE regression model, βA = 0, βC = 0, βE = 0 | 156578.6 | 156680.6 | 239.9 | 24 | 1.6e-37* |
ACE regression model | ACE regression model, βA = 0 | 156367.1 | 156501.1 | 28.4 | 8 | 0.0004* |
ACE regression model | ACE regression model, βC = 0 | 156350.5 | 156484.5 | 11.8 | 8 | 0.158 |
ACE regression model | ACE regression model, βE = 0 | 156358.4 | 156492.4 | 19.7 | 8 | 0.013 |
ACE regression model | ACE regression model, βC = 0 & βE = 0 | 156366.2 | 156484.2 | 27.5 | 16 | 0.036 |
ACE regression model | ACE regression model, βC = 0 & βA = 0 | 156495.7 | 156613.7 | 157.0 | 16 | 3.2e-25* |
Females | Â | Â | Â | Â | Â | Â |
|  | ACE regression model | 154148.9 | 154298.9 | — | — | — |
ACE regression model | ACE regression model, βA = 0, βC = 0, βE = 0 | 154268.4 | 154370.4 | 119.5 | 24 | 1.2e-14* |
ACE regression model | ACE regression model, βA = 0 | 154156.0 | 154290.0 | 7.15 | 8 | 0.23 |
ACE regression model | ACE regression model, βC = 0 | 154156.8 | 154290.8 | 7.90 | 8 | 0.44 |
ACE regression model | ACE regression model, βE = 0 | 154168.8 | 154302.8 | 19.95 | 8 | 0.010* |
ACE regression model | ACE regression model, βC = 0 & βE = 0 | 154174.7 | 154292.7 | 25.80 | 16 | 0.057 |
ACE regression model | ACE regression model, βC = 0 & βA = 0 | 154215.8 | 154333.8 | 66.93 | 16 | 3.4e-08* |