Table 1.

Rotated factor-loading matrix for the three dietary patterns

Food groups	Dietary pattern
	Sichuan Basin	Yunnan–Guizhou Plateau	Qinghai–Tibet Plateau
Animal oil	− 0.24	0.61	− 0.12
Rice	0.07	0.53	0.00
Salt	− 0.03	0.35	− 0.13
Preserved vegetables	0.07	0.35	0.22
Alcohol	0.11	0.30	0.11
Legumes	0.23	0.26	0.23
Fresh vegetables	0.43	0.25	− 0.06
Fish/seafood	0.60	0.19	− 0.03
Red meat (includes processed)	0.24	0.18	0.22
Potatoes	0.13	0.17	0.54
Poultry	0.56	0.16	0.08
Tea	− 0.06	0.01	0.52
Wheat products	− 0.05	− 0.03	0.64
Fresh fruits	0.49	− 0.07	0.02
Eggs	0.52	− 0.07	0.08
Vegetable oil	0.36	− 0.10	− 0.04
Coarse grains	0.02	− 0.29	0.65
Dairy products	0.50	− 0.44	0.07
Variance explained (%)	10.9	9.0	8.6