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. Author manuscript; available in PMC: 2016 Apr 11.
Published in final edited form as: Twin Res Hum Genet. 2015 Aug 20;18(5):507–517. doi: 10.1017/thg.2015.56

Table 4.

Parental Knowledge Model Fit Statistics – Raw Variable

−2LL df AIC BIC ΔLL Δdf p
Full Model 17227.25 5733 5761.25 −12236.69
Drop βaC 17227.90 5734 5759.90 −12239.99 0.66 1 0.42
Drop βcC 17231.57 5734 5763.57 −12238.16 4.32 1 0.04
Drop βeC 17227.29 5734 5759.29 −12240.30 0.04 1 0.85
Drop βaC & βeC 17231.99 5735 5761.99 −12241.59 4.74 2 0.09
Drop βaU 17239.15 5736 5767.15 −12241.65 7.16 1 0.01
Drop βcU 17235.26 5736 5763.26 −12243.59 3.27 1 0.07
Drop βeU 17519.59 5736 6047.59 −12101.43 287.60 1 <0.01

Note: The full model refers to the full bivariate model seen in Figure 1. −2LL = −2 log-likelihood; df = degrees of freedom; AIC = Akaike Information Criterion, BIC = Bayesian Information Criterion; ΔLL = difference in log-likelihood; Δdf = difference in degrees of freedom.