Table 2 Changes in the dietary diversity...

Table 2

Changes in the dietary diversity and energy intake for migrants over time

Year	DDS			Energy(kcal/p/d)
Year	Overall	Urban	Suburban	Overall	Urban	Suburban
2000	6.09	6.40	6.08	2,235.56	2,131.60	2,238.65
2004	6.18	8.65	6.00	2,176.64	2,064.50	2,184.90
2006	7.00	9.66	6.78	2,135.03	1,980.61	2,147.92
2009	7.49	9.33	7.34	2,031.00	2,098.55	2,025.79
2011	7.95	8.85	7.85	1,728.04	1,822.10	1,717.90
RR^a				1,600–2,400 kcal/d
T-stat.^b Ha:diff≠0		−13.65***		2.05**
Z-stat.^c H0:Murb = Msurb		−13.53***		1.81*
Kruskal–Wallis χ²(p)^d		501.21 (0.000)		402.36 (0.000)

Year	DDS			Energy(kcal/p/d)
Year	Overall	Urban	Suburban	Overall	Urban	Suburban
2000	6.09	6.40	6.08	2,235.56	2,131.60	2,238.65
2004	6.18	8.65	6.00	2,176.64	2,064.50	2,184.90
2006	7.00	9.66	6.78	2,135.03	1,980.61	2,147.92
2009	7.49	9.33	7.34	2,031.00	2,098.55	2,025.79
2011	7.95	8.85	7.85	1,728.04	1,822.10	1,717.90
RR^a				1,600–2,400 kcal/d
T-stat.^b Ha:diff≠0		−13.65***		2.05**
Z-stat.^c H0:Murb = Msurb		−13.53***		1.81*
Kruskal–Wallis χ²(p)^d		501.21 (0.000)		402.36 (0.000)

Note(s): ^aRR: Reasonable range of energy intake per capita per day recommended in the 2016 Chinese Dietary Guidelines or Chinese Food Guide Pagoda; ^bThe reported t-statistics are the result of the t-test comparing rural–suburban migrants with those who moved into urban centers; ^cThe reported z-statistics are the result of the Mann–Whitney test comparing rural–suburban migrants with those who moved into urban centers; ^dThe reported Chi-squared values are the result of the Kruskal–Wallis test to examine whether the nutrition of migrants changes significantly over time; p-value in parentheses; ^***p < 0.01, ^**p < 0.05, ^*p < 0.1

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