. 2020 Sep 3;8:469. doi: 10.3389/fped.2020.00469

Table 3.

Mean intake of food groups (g/day) in ASD children in Chongqing and Hainan.

Food groups	ASD-Chongqing	TD-Chongqing	ASD-Hainan	TD-Hainan	χ2	P
Grains	99.7 (92.9–149.5)	75 (48.5–100)	75 (10.7–100)^c ^**	75 (39.3–100)^b ^*	30.472	<0.001
Whole grains	2.9 (0–5.7)	10.7 (1.8–28.6)^a ^***	2.9 (0.7–5.7)	20 (8.6–26.8)^b ^***	83.645	<0.001
Red meat	50 (28.5–99.7)	49.8 (21.5–100)	50 (28.6–75)	50 (28.5–74.1)	9.058	0.029
Poultry meat	7.1 (0–14.3)	14.3 (1.7–28.7)^a ^***	50 (28.6–75)^c ^***	50 (21.4–75)	259.865	<0.001
Freshwater fish	3.3 (0–7.1)	7.1 (3.3–14.3)^a ^***	0 (0–7.1)	1.8 (0–14.3)	28.861	<0.001
Seafood	0 (0–1.8)	7.1 (1.7–10.7)^a ^***	21.4 (5–35.7)^c ^***	21.4 (7.1–48.6)	283.9	<0.001
Milk and dairy products	139.5 (40–150.5)	140 (98.8–279.1)^a ^*	140 (40–280)^c ^*	170 (100–280)^b ^**	11.466	0.009
Eggs	28.6 (7.1–49.8)	35.7 (16.6–50)	28.6 (14.3–50)	33 (17.9–50)	5.782	0.123
Beans and soy products	1.4 (0.6–4.3)	8.6 (2.9–11.4)^a ^***	1.4 (0–2.9)^c ^***	8.5 (1.2–10)^b ^**	135.606	<0.001
Vegetables	85.7 (42.5–149.5)	111.4 (51.4–179.8)^a ^***	78.6 (35.7–114.3)	111.6 (50–162.5)^b ^**	23.788	<0.001
Fruits	74.8 (21.4–103.1)	74.8 (32.4–123.2)^a ^*	75 (51.6–117.9)^c ^***	107.1 (54.2–158.7)^b ^*	30.217	<0.001

Data shown as median (25–75%). The Kruskal–Wallis H test was performed for abnormal continuous variable comparisons. P-value was adjusted in multiple comparisons by Bonferroni method.

Significant difference between autism children compared with typically developing children in Chongqing.

Significant difference of autism children compared with typically developing children in Hainan province.

Significant difference of autism children in Chongqing compared with autism children in Hainan province.

P < 0.05,

^**

P < 0.01,

^***

P < 0.001.

ASD, autism spectrum disorder; TD, typically developing.