| Proportion of variance (95 % CI) | Fit of modelb
|
---|
 | A | C | E | −2LL | AIC |
p
|
---|
ACE model | 0.58 (0.52 0.64) | 0.26 (0.20 0.31) | 0.16 (0.16 0.17) | 54846.73 | 30374.73 | --- |
AE model | 0.74 (0.73 0.75) | --- | 0.26 (0.25 0.27) | 55617.62 | 31143.62 | < 0.001 |
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Abbreviations: −2LL −2 log likelihood, A additive genetic component, C common environment component, E unique environment component, CI confidence interval
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aAdjusted for age and region in the model
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bModel fitting comparison when shared environment component C is removed