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. Author manuscript; available in PMC: 2012 Oct 1.

Published in final edited form as: Early Hum Dev. 2011 Jun 8;87(10):663–669. doi: 10.1016/j.earlhumdev.2011.05.006

Table 1.

General chacteristics of study samples

	LOWPI	HIGHPI	¹ p-values
	(n=14)	(n=14)
Age, yrs	20.9 ± 0.6	20.4 ± 0.3	0.395
BW, grams	3073.3 ± 151.5	3287.6 ± 104.3	0.255
BL, cm	51.7 ± 0.6	49.5 ± 0.5	0.012
PI, gm.cm-1	2.2 ± 0.1	2.7 ± 0.1	<0.001
Gestational Age, days	275.3 ± 2.6	278.4 ± 2.4	0.383
Birth order	1.8 ± 0.2	2.0 ± 0.2	0.506
maternal ht, cm	164.0 ± 1.7	165.4 ± 1.8	0.576
Maternal age, yrs	28.9 ± 1.1	29.9 ± 1.1	0.539
Subject Ht, cm	161.7 ± 0.9	160.3 ± 1.5	0.449
BMI, wt/ht²	24.4 ± 1.0	22.9 ± 0.7	0.246
²METs	1.63 ± 0.04	1.59 ± 0.05	0.587

¹

P-values from ANOVA

²

MET values are the average of three 24-hour days of activity monitoring