Table 2.

Characteristics of Participants According to Quintiles of Cord Blood Adiponectin (N=588)

Variable	Total Mean (SD)	Quintile of Cord Blood Adiponectina					Trend P
		1 (2.9–23.1)	2 (> 23.1–27.5)	3 (> 27.5–30.9)	4 (> 30.9–33.9)	5 (> 33.9–42.6)
Maternal variables
Age at enrollment, y	32.3 (5.1)	32.9	31.9	32.8	31.6	32.1	.20
Prepregnancy BMI, kg/m2	24.8 (5.4)	25.5	24.8	24.4	25.4	24.0	.14
Gestational weight gain, kg	15.7 (5.5)	15.1	15.6	16.2	16.2	15.4	.42
Paternal BMI, kg/m2	26.4 (3.8)	26.5	25.9	26.5	26.7	26.2	.76
Education,≥college degree	400 (68)	71%	62%	67%	69%	72%	.53
Married or cohabitating	543 (93)	91%	96%	94%	92%	90%	.51
Household income, more than $70 000	332 (61)	61%	61%	61%	58%	62%	.95
Newborn/infant variables
Male	295 (50)b	56%	51%	45%	47%	52%	.38
Race/ethnicity, white	408 (69)b	66%	69%	70%	72%	70%	.38
Cord blood leptin,µg/mL	8.8 (6.4)	5.3	7.1	9.7	10.3	11.5	<.0001
Gestational age at birth, wk	39.7 (1.5)	39.2	39.6	39.9	39.8	40.0	<.0001
BW/GA, z score	0.26 (0.94)	0.07	0.17	0.23	0.48	0.33	.002
Breastfeeding duration, mo	6.2 (4.5)	5.7	6.1	6.2	6.6	6.6	.08
Child 3-y variables
Age, y	3.3 (0.4)	3.4	3.3	3.3	3.3	3.3	.01
BMI z score	0.41 (1.03)	0.35	0.4	0.33	0.64	0.31	.60
Weight-for-age z score	0.45 (0.98)	0.49	0.33	0.37	0.71	0.34	.73
Height-for-age z score	0.27 (0.94)	0.41	0.13	0.24	0.41	0.17	.47
Leg length, cm	42.0 (3.1)	42.5	42.0	41.9	42.1	41.57	.06
SS/TR ratio	0.63 (0.15)	0.61	0.63	0.63	0.64	0.65	0.04
SS+TR, mm	16.7 (4.2)	16.4	16.8	16.3	17.5	16.6	.36
Leptin, ng/mL	1.7 (1.8)	1.5	1.6	1.7	1.7	1.8	.37
Adiponectin,µg/mL	22.3 (6.0)	21.6	21.9	22.9	22.8	22.2	.40

^aData are means unless otherwise specified.

^bData are n (%).