Variable | Age | n (twin pairs) | Tetrachoric correlations | |
---|---|---|---|---|
MZ | DZ | |||
Does not eat enough | 2.5 | 346 | 0.91 (0.81, 1.00)* | 0.46 (0.19, 0.72) |
9 | 345 | 0.67 (0.45, 0.90)* | −0.09 (−0.43, 0.26) | |
Eats too much | 2.5 | 346 | 0.88 (0.75, 1.00)* | 0.43 (0.10, 0.75) |
9 | 345 | 0.52 (0.25, 0.80) | 0.19 (−0.09, 0.47) | |
Eats too fast | 2.5 | 346 | 0.72 (0.52, 0.92) | 0.34 (0.08, 0.60) |
9 | 346 | 0.50 (0.27, 0.74)* | −0.02 (−0.27, 0.23) | |
Refuses to eat | 2.5 | 346 | 0.85 (0.73, 0.96) | 0.56 (0.39, 0.74) |
9 | 345 | 0.82 (0.64, 0.99) | 0.47 (0.21, 0.73) | |
Fussy about food | 2.5 | 346 | 0.84 (0.65, 1.00) | 0.61 (0.37, 0.86) |
9 | 346 | 0.85 (0.68, 1.00)* | −0.02 (−0.38, 0.34) | |
Eats at irregular hours | 2.5 | 346 | 0.98 (0.95, 1.00) | 0.95 (0.86, 1.00) |
9 | 346 | 0.89 (0.74, 1.00) | 0.74 (0.54, 0.95) | |
Eats between meals | 2.5 | 344 | 0.96 (0.92, 1.00) | 0.84 (0.73, 0.94) |
9 | 346 | 0.81 (0.68, 0.94)* | 0.46 (0.24, 0.68) | |
Eats a different meal | 2.5 | 344 | 1.00 (0.99, 1.00) | 1.00 (0.99, 1.00) |
9 | 345 | 0.70 (0.48, 0.91) | 0.71 (0.54, 0.88) | |
Skips breakfast | 9 | 346 | 0.89 (0.73, 1.00) | 0.77 (0.59, 0.95) |
Fussy about vegetables | 9 | 267 | 0.75 (0.57, 0.92)* | 0.29 (0.02, 0.56) |
Fussy about fruit | 9 | 346 | 0.69 (0.46, 0.93) | 0.50 (0.25, 0.76) |
Fussy about whole-grain bread | 9 | 345 | 0.80 (0.64, 0.95) | 0.87 (0.78, 0.96) |