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Table 2 Factor loading of food groups in five dietary patterns identified by principal component analysis during adolescence, in participants of Pediatric Bone Mineral Accrual Study (PBMAS), n = 1251

From: Vegetarian-style dietary pattern during adolescence has long-term positive impact on bone from adolescence to young adulthood: a longitudinal study

  Factor Loadings for Dietary Patterns
Vegetarian-Style Western-Like High-Fat, High-Protein Mixed Snack
Dark green vegetables 0.64 0.02 − 0.00 0.07 − 0.22
Eggs 0.63 − 0.18 0.23 − 0.05 − 0.15
Non-refined grains 0.54 − 0.13 − 0.11 0.10 0.20
Added fats 0.41 0.39 − 0.03 − 0.04 − 0.00
Fruits 0.40 0.24 − 0.16 0.13 0.23
Others − 0.28 0.03 0.08 0.08 0.04
Fruit drinks 0.00 0.73 − 0.04 − 0.03 0.04
Refined grains 0.06 0.66 0.21 − 0.10 − 0.03
Cream − 0.06 0.55 − 0.01 0.13 − 0.02
Poultry − 0.27 0.41 − 0.04 − 0.10 0.40
Processed meats − 0.05 0.35 − 0.12 0.01 − 0.09
High-fat milk − 0.12 − 0.17 0.74 − 0.04 0.18
Tomato 0.22 0.30 0.59 − 0.14 − 0.34
Red meat − 0.07 − 0.05 0.52 0.14 − 0.07
Low-fat milk 0.35 0.03 − 0.48 − 0.01 − 0.16
Legumes, nuts, and seeds 0.45 0.11 0.47 − 0.09 0.06
Cheese 0.03 0.12 0.06 0.72 − 0.36
Yogurt − 0.11 0.04 − 0.12 0.61 0.19
Desserts and sweets − 0.18 − 0.05 0.23 0.59 0.08
Fish and seafood 0.24 − 0.10 −0.08 0.52 − 0.13
Fruit juice 100% 0.46 0.02 − 0.04 0.49 0.18
Dressings, sauces, gravy 0.09 − 0.30 0.24 0.08 0.64
Vegetables, others − 0.03 0.22 0.06 − 0.03 0.58
Chips & fries − 0.03 − 0.09 − 0.02 0.00 0.40
Soft drinks 0.00 − 0.02 − 0.16 − 0.20 0.20
% Of variance explained 9.2 8.5 7.8 7.7 6.7
  1. 1Factor loadings ≥0.35 or ≤ − 0.35 have been presented
  2. The bold numbers represent the foods with significant positive or negative loading in each pattern