Familial resemblance in dietary intake among singletons, twins, and spouses: a meta-analysis of family-based observations

Table 3 Twin and siblings mean r differences in energy and macronutrients*

Nutrients	Mean r			Overall and pairwise P-values
听	1-non twin Sib	2-MZ	3-DZ	P_ANOVA	P_{1鈥夆垝鈥�2}	P_{1鈥夆垝鈥�3}	P_{2鈥夆垝鈥�3}
Energy	0.25	0.47	0.21	0.001	0.002	0.506	0.001
CHO	0.16	0.46	0.29	0.001	0.001	0.024	0.003
Protein	0.19	0.38	0.26	0.007	0.002	0.225	0.032
Fat	0.23	0.45	0.21	0.001	0.001	0.745	0.001

Abbreviations: Sib, Siblings; MZ, Monozygotic twins; DZ, Dizygotic twins; CHO, Carbohydrate
* Significance level considered P-value鈥�<鈥�0.05

ISSN: 1471-2458