Maternal dietary patterns and risk of gestational diabetes mellitus in twin pregnancies: a longitudinal twin pregnancies birth cohort study

Table 2 Factor loadings for the four dietary patterns identified from principal components analysis^a

Dietary pattern	Food	Factor loading coefficient	Cumulative variance explained
Vegetable-based pattern	Root vegetables	0.723	9.24
	Gourd/melon family vegetables	0.686
	Freshwater fish	0.491
	Leafy and cruciferous vegetables	0.488
	Red meat	0.471
	Fried breads	0.370
	White rice	0.301
	Deep-sea fish and seafood products	0.268
	Dumplings	−0.222
Poultry-fruit-based pattern	Poultry	0.544	16.64
	Fresh fruit	0.505
	Processed fruit	0.447
	Soups	0.424
	Meat Innards	0.422
	Noodles	0.373
	Cereals	0.347
	Dairy products	0.346
	Deep-sea fish and seafood products	0.322
	Nuts/seeds	0.319
	Eggs	0.315
	White rice	−0.267
Sweets -based pattern	Biscuits\pastries\cakes	0.560	22.61
	Bread	0.455
	Deep-sea fish and seafood products	0.314
	Ethnic breads	0.313
	Dessert soup	0.307
	Dairy products	0.296
	Noodles	−0.436
	Meat products	−0.405
	Dumplings	−0.267
Plant protein-rich--based pattern	Soya milk	0.670	28.44
	Legumes	0.644
	Beans/bean products	0.535
	Bun	0.442
	Rice	0.421
	Bread	0.407
	Ethnic breads	0.236
	Cereals	−0.306

ISSN: 1475-2891