Food hypersensitivity in primary school children in Taiwan: relationship with asthma

Figures & data

Table 1. Incidence of reactions of mixed food allergens among school children.

	Nut mix 1	Milk and Egg and Meat mix 10	Starch mix 12	Cereal mix 3	Vegetable mix 14	Fruit mix 16	Fruit mix 30	Fruit mix 31
Positive no. (male)	44	78	27	31	21	42	63	20
Positive%	4.36	7.72	2.67	3.07	2.08	4.16	6.24%	1.98%
Positive no. (female)	26	41	17	23	17	28	46	11
Positive%	2.57	4.06	1.68	2.28	1.68	2.27	4.55%	1.09%
Notes: Nut mix 1 includes peanut, hazel nut, Brazil nut, almond and coconut.
Milk and egg and meat mix 10 includes pork, beef, egg yolk, chicken and turkey meat.
Starch mix 12 includes rye, rice, potato, mushroom and pumpkin.
Cereal mix 3 includes wheat, oat, maize, sesame seed and buckwheat.
Vegetable mix 14 includes tomato, spinach, cabbage and paprika.
Fruit mix 16 includes strawberry, pear, lemon and pineapple.
Fruit mix 30 includes kiwi, mango, banana, avocado and papaya.
Fruit mix 31 includes apple, pear, peach, cherry and plum.

Table 2. Prevalence of common food allergens in school children.

A	Clam	Squid	Oyster	Scallop	Abalone	Lobster	Garlic	Cacao	Goat milk	Cheese, cheddar type	Onion
Positive no. (male)	34	17	66	156	162	125	74	3	61	38	10
Positive%	3.37	1.68	6.53	15.45	16.04	12.38	7.33	0.30	6.04	3.76	0.99
Positive no. (female)	14	6	34	95	91	50	43	0	47	25	6
Positive%	1.39	0.59	3.37	9.41	9.01	4.95	4.26	0	4.65	2.48	0.59
B	Celery	Pistachio	Litchi	Melon	Bamboo shoot	Pacific squid	Octopus	Grape	Casein	alpha- lactalbumin	beta-lactoglobulin
Positive no. (male)	11	14	23	14	9	47	48	4	80	90	38
Positive%	1.09	1.39	2.28	1.39	0.89	4.65	4.75	0.00	7.92	8.9*1	3.76
Positive no. (female)	7	8	11	10	3	22	28	3	54	56	30
Positive%	0.69	0.79	1.09	0.99	0.30	2.18	2.77	0.30	5.35	5.54	2.97
Note: *Scallop, abalone, lobster, casein, alpha-lactoalbumin.

Table 3. Prevalence of meat allergens in the diets of school children.

	Pork	Beef	Egg yolk	Chicken	Turkey meat
Positive no. (male)	52	5	9	10	5
Positive%	5.15	0.50	0.89	0.99	0.50
Positive no. (female)	28	4	13	5	0
Positive%	2.77	0.40	1.29	0.50	0.00

Table 4. Prevalence of fruit allergens in the diets of school children.

	Strawberry	Pear	Lemon	Pineapple	Kiwi	Mango	Banana	Avocado	Papaya	Apple	Peach	Cherry	Plum
Positive no. (male)	7	5	7	22	27	5	23	16	13	0	5	9	6
Positive%	0.69	0.50	0.69	2.18	2.67	0.50	2.28	1.58	1.29	0.00	0.50	0.89	0.59
Positive no. (female)	6	6	6	18	26	3	26	15	14	0	4	5	4
Positive%	0.59	0.59	0.59	1.78	2.57	0.30	2.57	1.49	1.39	0.00	0.40	0.50	0.40

Table 5. Severity of the common food allergenic reaction in school children.

	Oyster	Scallop	Abalone	Lobster	Octopus	Casein	Alpha-lactalbumin	Beta-lactoglobulin	Pork	Sesame seed	Pineapple	Kiwi	Banana
Above class 1* Positive%	10.25	25.68	25.32	17.08	7.42	13.19	14.13	6.36	7.89	2.00	3.42	4.71	4.71
Above class 2* Positive%	6.71	19.55	19.20	10.84	4.95	4.95	6.48	2.59	6.24	1.41	1.30	3.18	1.65
RAST class	Range IU/ml	Level of specific lgE antibody
6	>Std 100	Very high
5	Std 100–50	Very high
4	Std 50–17.5	Very high
3	Std 17.5–3.5	High
2	Std 3.5–0.7	Moderate
1	Std 0.7–0.35	Low
0	<Std 0.35	Absent or undetectable
*Significant of class