TABLE 2.

Length at birth and in infancy and height in early childhood and midchildhood by quartile of second-trimester maternal protein intake¹

		Quartile of second-trimester protein intake, g · kg prepregnancy body weight−1 · d−1
	n	All	1	2	3	4	P2
Protein intake	19613
g · kg prepregnancy body weight− · d−		1.4 (0.3–3.1)	0.9 (0.3–1.1)	1.2 (1.1–1.3)	1.5 (1.3–1.6)	1.8 (1.6–3.1)
g/d		88 (42–153)	77 (42–131)	84 (52–131)	89 (58–132)	100 (67–153)
Birth length, cm	12054	49.8	49.9	49.8	49.7	49.5	<0.05
Infant (6-mo) length, cm	16975	66.8	67.2	67.0	66.6	66.5	0.0001
Early childhood height, cm	12946	97.6	98.9	97.9	96.7	96.9	<0.0001
Midchildhood height, cm	11167	128.8	130.7	129.7	127.2	127.5	<0.0001

¹Values are means or means (ranges).

²From a test for linear trend.

³Includes all participants eligible for a length measurement at any time point.

⁴Includes all participants eligible for a newborn length measurement (had either newborn anthropometric measurements, length, or blood pressure).

⁵Includes all participants eligible for an infant length measurement (completed an in-person visit in infancy).

⁶Includes all participants eligible for an early childhood height measurement (completed an in-person visit in early childhood).

⁷Includes all participants eligible for a midchildhood height measurement (completed an in-person visit in midchildhood).