Table 3.

Percentage of EI from snacks and number of daily snacking occasions among snackers by age group over a 3-day period between 1991 and 2009, China

	1991	2004	2006	2009
A. % of total EI from snacks among snackers^*
Total	4.4^a	3.3^b	4.6^a	4.6^a
2–6y	9.8^a	9.2^a	12.2^b	12.3^b
7–12y	5.8^a	5.3^a	6.1^b	8.5^b
13–18y	4.5^a	4.2^a	5.5^b	6.2^b
19–44y	2.8^a	2.7^a	4.0^b	4.0^b
≥45y	3.3^a	3.2^a	4.2^b	4.1^b
B. Number of daily snacking occasions among snackers^*
Total	0.76^a	0.80^a	0.99^b	0.95^c
2–6y	1.01^a	1.02^a	1.36^b	1.18^c
7–12y	0.81^a	0.86^a	1.04^b	0.98^c
13–18y	0.66^a	0.84^b	1.03^c	0.95^c
19–44y	0.66^a	0.72^a	0.91^b	0.89^b
≥45y	0.69^a	0.80^b	1.00^c	0.95^c

Data of any two waves specified by different letters (a, b, or c) are statistically significant (p<0.05).