Table 2. Rotated factorial matrix, factor loading, variance and Cronbach’s alpha for the four dietary patterns identified among pregnant women from the city of Petropolis and Queimados, RJ, Southeastern Brazil, 2007-2008.

Food group	Factor loading
	Prudent	Traditional	Western	Snack
Milk	0.49
Yogurt	0.62
Cheese	0.59
Cracker	0.48
Poultry/Beef/Fish/Liver	0.42
Fruit or fresh-fruit juice	0.56
Beans		0.51
Rice		0.61
Sugar		0.64
Butter/Margarine		0.68
Bread		0.58
Vegetables		0.36
Potato/Cassava/Yam			0.60
Macaroni			0.69
Flour/Farofa/Grits			0.55
Soft drinks/Cool drinks			0.45
Pork/Sausages/Egg			0.44
Pizza/Burger/Deep fried pastries			0.37
Chocolate				0.61
Chocolate drink mix				0.47
Sandwich cookie				0.68
Salty snacks				0.65
Eigenvalues	3.28	1.94	1.53	1.26
% of variance explained	14.94	8.80	6.94	5.74
% of accumulated variance explained	14.94	23.74	30.68	36.42
Cronbach’s alpha	0.50	0.52	0.33	0.41

^dWorld Health Organization. The global burden of disease: 2004 update. Geneva; 2008 [cited 2015 Apr 17]. Available from: http://www.who.int/healthinfo/global_burden_disease/2004_report_update/en/