Table 4.

The proportion of energy from different dietary food groups for urban and rural residents in Tianjin in three different periods (%).

Food Category	Urban			Rural
	1986–1988	2000–2004	2008–2011	1986–1988	2000–2004	2008–2011
Cereals and grain products	48.61	37.54	41.90	68.68	74.53	48.73
Beans and their products	2.24	2.02	3.35	1.12	1.48	3.28
Potatoes and starches	1.16	1.45	1.59	1.05	0.10	1.48
Animal foods	16.79	24.54	20.73	5.18	7.74	16.56
Pure energy foods	16.51	16.19	15.24	17.27	12.04	15.92
Others	14.68	18.26	17.19	6.70	4.10	14.03
Total	100.00	100.00	100.00	100.00	100.00	100.00