Table 3.

Multiple linear regression of birth weight (g) on parental origin of alleles at rs4929984 in the Memphis, Jackson and Portsmouth African-American and Caucasian participants.

Variable	All (N = 686)		Primiparous (N=228)		Multiparous (N = 458)
	β	P	β	P	β	P
Gestational age (weeks)	124	<0.001	127	<0.001	135	<0.001
Ethnicity (African-American/Caucasian)	249	<0.001	226	<0.001	265	<0.001
Gender (Male/Female)	−119	<0.001	−76	0.135	−147	<0.001
MBMI	30	<0.001	39	<0.001	26	<0.001
MBMI27	−33	<0.001	−50	0.004	−29	0.005
Paternally-transmitted allele (C/A)	78	0.012	178	0.001	33	0.392
Maternally-transmitted allele (C/A)	−89	0.007	−86	0.136	−84	0.039