Table 1.

Characteristics of Participants According to Category of Weekly Egg Consumption, Omega Cohort Study, Seattle and Tacoma, Washington, 1996–2008

Characteristic	Entire Cohort (n = 3,158)		Egg Consumption, eggs/week												P for Trend
			0 (n = 267)		≤1 (n = 1,186)		2–3 (n = 650)		4–6 (n = 631)		7–9 (n = 318)		≥10 (n = 106)
	Mean	%	Mean	%	Mean	%	Mean	%	Mean	%	Mean	%	Mean	%
Maternal age, years	32.7		32.2		32.3		32.9		33.2		33.2		32.9		<0.001
Prepregnancy body mass indexa	23.5		23.4		23.4		23.3		23.7		23.3		24.2		0.22
Non-Hispanic white race/ethnicity		87.7		89.5		88.5		87.8		87.0		84.3		58.9	0.03
<12 years of education		3.1		2.6		3.4		2.8		2.5		4.1		3.8	0.74
Not married		10.0		13.9		9.1		8.2		11.1		10.1		15.1	0.53
Nulliparous		62.2		62.9		63.2		57.2		62.8		66.7		63.2	0.57
Smoked during pregnancy		5.4		5.6		5.1		5.1		6.2		4.7		7.5	0.57
Prenatal vitamin use		97.6		97.4		97.9		97.1		97.8		97.5		98.1	0.99
No leisure-time physical activity		12.1		12.0		12.4		14.0		10.5		9.4		16.0	0.45
History of hypertension		4.2		3.8		3.7		4.9		4.9		3.5		4.7	0.50
Family history of hypertension		49.2		53.2		48.5		48.8		51.7		45.3		46.2	0.38
Family history of diabetes		13.5		12.4		13.1		12.0		15.7		13.8		16.0	0.15
Daily dietary intake
Total energy, kcal	1,717		1,574		1,575		1,720		1,818		2,021		2,123		<0.001
Total fiber, gb	20.9		21.6		21.1		20.9		20.7		20.6		19.7		<0.001
Saturated fat, gb	25.5		23.9		24.8		25.5		25.9		26.6		28.4		<0.001
Polyunsaturated fat, gb	14.4		13.8		14.1		14.5		14.6		14.7		15.6		<0.001
Monounsaturated fat, gb	25.0		22.7		23.8		25.0		25.6		26.5		29.4		<0.001
Trans fat, gb	2.49		2.30		2.41		2.52		2.52		2.58		2.85		<0.001
Omega-3 fatty acids, gb	1.67		1.56		1.64		1.70		1.70		1.69		1.79		<0.001
Cholesterol, mgb	271		168		203		244		301		389		570		<0.001
Vitamin C, mgb	136		135		136		136		138		136		123		0.71
Vitamin E, mgb	15.7		15.8		15.2		15.5		16.0		16.3		16.1		0.06
Fruit, no. of servings	2.47		2.34		2.32		2.45		2.63		2.78		2.70		<0.001
Vegetables, no. of servings	1.97		1.89		1.80		1.99		2.09		2.25		2.38		<0.001
Low-fat dairy foods, no. of servings	2.09		2.10		2.05		2.10		2.04		2.32		1.96		0.32
Whole-grain foods, no. of servings	0.63		0.56		0.54		0.63		0.70		0.80		0.85		<0.001
Red and processed meats, no. of servings	0.66		0.51		0.59		0.71		0.69		0.79		0.83		<0.001

^aWeight (kg)/height (m)².

^bAdjusted for energy intake.