TABLE 1.

Heritability of PROP Sensitivity, Sucrose Preference, and Composition of Preferred Cereal

Trait	Covariates	N	H2	SE	P Value
PROP sensitivity	None	250	0.55	0.15	<.001*
	Age, gender, race/ethnicity	250	0.56	0.15	<.001*
Sucrose preference	None	247	0.04	0.15	.39
	Age,* gender, race/ethnicity	247	0.14	0.16	.19
Cereal (sugars)	None	234	0.16	0.18	.19
	Age,* gender, race/ethnicity*	234	0.37	0.19	.03†
Cereal sodium	None	233	0.16	0.18	.19
	Age, gender, race/ethnicity	233	0.15	0.19	.21
Cereal kcal	None	233	0.00	NA	.50
	Age, gender, race/ethnicity	233	0.00	NA	.50

H² indicates proportion of genetic variance; NA, not applicable.

^*P < .001.

^†P < .05.