Table 1.
Factor loading matrix of major dietary patterns by principal component analysis with varimax rotation (n = 421,426).
| Food or Beverage Group | Traditional Northern Dietary Pattern | Balanced Dietary Pattern |
|---|---|---|
| Rice | −0.84 | 0.20 |
| Wheat | 0.84 | 0.12 |
| Other staple foods | 0.70 | −0.16 |
| Meat | −0.38 | 0.59 |
| Poultry | −0.36 | 0.55 |
| Fish/sea food | −0.37 | 0.51 |
| Eggs | 0.32 | 0.52 |
| Fresh vegetables | −0.07 | 0.20 |
| Soybean | −0.14 | 0.47 |
| Preserved vegetables | −0.14 | 0.13 |
| Fresh fruit | 0.02 | 0.70 |
| Dairy products | 0.22 | 0.64 |
| Beer | 0.06 | 0.20 |
| Rice wine | −0.14 | −0.01 |
| Wine | <0.01 | 0.06 |
| Heavy spirit (≥40%) | −0.07 | <0.01 |
| Light spirit (<40%) | −0.12 | −0.02 |
| Green tea | <0.01 | 0.23 |
| Oolong tea | −0.08 | 0.06 |
| Black tea | −0.19 | −0.05 |
| Other tea | −0.01 | 0.01 |
| Variance explained (%) | 14.83 | 9.62 |
Note: Figures in bold indicated absolute factor loading ≥0.40.