Table 3 Model fitting and estimates of heritability of dog ownership in 35,035 twin pairs adjusted for sex and birth year.
Model | Model comparison measures | Females (95% CI) | Males (95% CI) | Opposite-sex (95% CI) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
ep | AIC | p | A | C | E | A | C | E | rfm | |
ACE, full sex-limitation | 11 | −118857.39 | NA | 50% (36–60) | 6% (0–18) | 44% (40–49) | 48% (28–57) | 2% (0–19) | 50% (44–57) | 0.47 (0.00–0.85) |
ACE, qualitative sex-limitation | 9 | −118858.65 | 0.255 | 50% (38–58) | 4% (0–14) | 46% (42–50) | 50% (38–58) | 4% (0–14) | 46% (42–50) | 0.44 (0.00–0.74) |
ACE, no sex-limitation | 8 | −118841.70 | <0.001 | 52% (47–56) | 0% (0–0) | 48% (44–51) | 52% (47–56) | 0% (0–0) | 48% (44–51) | NA |
AE, full sex-limitation | 9 | −118860.48 | 0.635 | 57% (52–61) | NA | 43% (39–48) | 51% (44–57) | NA | 49% (43–56) | 0.57 (0.36–0.77) |
AE, qualitative sex-limitation | 8 | −118859.94 | 0.327 | 55% (51–58) | NA | 45% (42–49) | 55% (51–58) | NA | 45% (42–49) | 0.55 (0.35–0.76) |
AE, no sex-limitation | 7 | −118843.70 | <0.001 | 52% (49–56) | NA | 48% (44–51) | 52% (49–56) | NA | 48% (44–51) | NA |