Table 2.
Factor loadings of foods and food groups in the dominant dietary patterns from food frequency questionnaires administered at 22 weeks gestation and three-day food diaries completed at 24 weeks gestation among 1014 pregnant women in the “Born in Shenyang” cohort.
| Dietary Patterns | Food | Factor Loading Coefficient | Variance Explained (%) |
|---|---|---|---|
| Three-Day Food Diaries | |||
| Traditional (TFD) | Tubers | 0.70 | 8.0 |
| Vegetables | 0.57 | ||
| Fruits | 0.55 | ||
| Rice | 0.47 | ||
| Red meat | 0.45 | ||
| Eggs | 0.26 | ||
| Nuts | 0.20 | ||
| Sweet foods (TFD) | Pastries and candies | 0.63 | 6.5 |
| Sweet beverages | 0.63 | ||
| Shrimps, crabs and mussels | 0.52 | ||
| Fruits | 0.31 | ||
| Red meat | 0.20 | ||
| Fried food–beans (TFD) | Fried foods | 0.75 | 6.0 |
| Beans and products | 0.67 | ||
| Dairy products | 0.29 | ||
| Organ meats | −0.23 | ||
| Whole grain–seafood (TFD) | Whole grains | 0.76 | 5.9 |
| Shrimps, crabs and mussels | 0.28 | ||
| Nuts | 0.24 | ||
| Seaweed | 0.20 | ||
| Eggs | −0.27 | ||
| Dairy products | −0.30 | ||
| Rice | −0.37 | ||
| Cumulative variance explained (%) | 26.4 | ||
| Food frequency questionnaire | |||
| Fish-seafood (FFQ) | Marine fish | 0.83 | 13.2 |
| Shrimps, crabs and mussels | 0.80 | ||
| Freshwater fish | 0.77 | ||
| Seaweed | 0.66 | ||
| Organ meat | 0.51 | ||
| Protein–sweets (FFQ) | Dairy products | 0.75 | 10.5 |
| Milk | 0.72 | ||
| Eggs | 0.66 | ||
| Beans and products | 0.58 | ||
| Nuts | 0.40 | ||
| Pastries and candies | 0.31 | ||
| Traditional (FFQ) | Vegetables | 0.86 | 8.7 |
| Fruits | 0.81 | ||
| Rice | 0.49 | ||
| Nuts | 0.25 | ||
| Cumulative variance explained (%) | 32.4 |
TFD: three-day food diaries; FFQ: food frequency questionnaire.