Table 2.

Change in calculated percentage of energy from NOVA food groups for Guangdong adults by CNNS survey, median (IQR).

NOVA Food Groups	Median (IQR) Percentage of Energy from Food Consumption by CNNS Survey
	2002	2012	2022	p
Minimally processed foods	82.95 (12.36)	72.89 (16.45)	68.69 (23.43)	<0.001
Processed culinary ingredients	13.93 (10.88)	13.17 (10.07)	13.62 (15.93)	<0.001
Processed foods	2.64 (3.5)	7.72 (9.43)	8.87 (11.37)	<0.001
Ultra-processed foods	0.88 (2.54)	6.22 (13.32)	8.52 (18.03)	<0.001