Table 3.
Genetic and environmental effects on variations of the CEBQ subscales (best fitted models, parameter estimates and respective confidence intervals (95% CI) at 10 years of age (n = 86 twin pairs)
| Additive genetic effect (A) | Shared environment effect (C) | Non-shared environment effect (E) | df | BIC | χ2 | − LL | ∆ − LL | p value | |
|---|---|---|---|---|---|---|---|---|---|
| Enjoyment of food | |||||||||
| AE | 0.82 (0.68; 0.93) | – | 0.18 (0.07; 0.32) | 7.00 | 356.327 | 11.299 | − 171.464 | 5.649 | 0.126 |
| Food responsiveness | |||||||||
| AE | 0.69 (0.41; 0.93) | – | 0.31 (0.07; 0.59) | 7.00 | 363.020 | 11.170 | − 174.794 | 5.585 | 0.131 |
| Desire to drink | |||||||||
| AE | 0.90 (0.78; 0.97) | – | 0.10 (0.04; 0.23) | 7.00 | 281.631 | 7.312 | − 134.100 | 3.656 | 0.397 |
| Emotional overeating | |||||||||
| AE | 0.87 (0.78; 0.95) | – | 0.13 (0.05; 0.22) | 7.00 | 271.734 | 8.854 | − 129.134 | 4.427 | 0.263 |
| Satiety responsiveness | |||||||||
| AE | 0.88 (0.77; 0.95) | – | 0.12 (0.05; 0.23) | 7.00 | 304.246 | 4.310 | − 145.407 | 2.155 | 0.743 |
| Slowness in eating | |||||||||
| AE | 0.69 (0.19; 0.94) | – | 0.31 (0.06; 0.81) | 7.00 | 448.635 | 10.394 | − 217.618 | 5.197 | 0.167 |
| Food fussiness | |||||||||
| AE | 0.70 (0.08; 0.95) | – | 0.30 (0.05; 0.93) | 7.00 | 396.215 | 13.071 | − 191.391 | 6.535 | 0.070 |
| Emotional undereating | |||||||||
| CE | – | 0.81 (0.71; 0.88) | 0.19 (0.12; 0.29) | 7.00 | 298.774 | 5.275 | − 142.671 | 2.638 | 0.626 |
CEBQ Children’s Eating Behavior Questionnaire, A additive genetic component of variance, C shared environmental component of variance, E non-shared environmental component of variance, df degrees of freedom, BIC Bayesian information criterion, χ2 Chi-squared test, − LL log-likelihood of data