A Vitamin Pattern Diet Is Associated with Decreased Risk of Gestational Diabetes Mellitus in Chinese Women: Results from a Case Control Study in Taiyuan, China

Table 2

Nutrient factor loadings during the three different periods of pregnancy.

Nutrients	One year before conception	The first trimester	The second trimester
Protein	0.21	0.24	0.23
Dietary fiber	0.28	0.30	0.28
Vitamin A	0.94	0.94	0.94
Carotene	0.96	0.94	0.94
Riboflavin (VitB2)	0.44	0.51	0.48
VitB6	0.22	0.24	0.22
Folate	0.29	0.30	0.30
Vitamin C	0.49	0.50	0.46
Calcium (Ca)	0.48	0.55	0.51
Potassium (K)	0.41	0.44	0.42

Absolute were excluded from the table for simplicity.