Table 2.

Demographic data

	Number of children (%)
	Sensitized children							Allergic children
	At 18 months				At 36 months			At 18 months			At 36 months
	All n = 65	No n = 53	Yes n = 9	P-value*	No n = 39	Yes n = 14	P-value*	No n = 49	Yes n = 15	P-value*	No n = 44	Yes n = 11	P-value*
Boys	33 (51)	27 (51)	5 (56)	1.0	21 (54)	9 (64)	0.55	24 (49)	9 (60)	0.56	22 (50)	9 (82)	0.03
Single parental history of allergy†	22 (34)	18 (34)	2 (22)	0.71	14 (36)	5 (36)	1.0	17 (35)	4 (27)	0.76	14 (32)	5 (45)	0.48
Double parental history of allergy†	5 (8)	5 (9)	0 (0)	1.0	4 (10)	1 (7)	1.0	1 (2)	4 (27)	0.01	1 (2)	2 (18)	0.1
Sibling(s)	35 (54)	30 (57)	4 (44)	0.72	22 (56)	7 (50)	0.76	28 (57)	7 (47)	0.56	23 (52)	6 (55)	1.0
Caesarean section	10 (15)	7 (13)	3 (33)	0.15	5 (13)	5 (36)	0.11	6 (12)	4 (27)	0.23	5 (11)	4 (36)	0.07

^*Statistical difference between non-sensitized and sensitized children or between non-allergic and allergic children (Fisher's exact test or Mann–Whitney U-test). Bold: P ≤ 0.05 was regarded as significant (^*P ≤ 0.05 and ^**P ≤ 0.01).

^†Maternal or paternal history of doctor-diagnosed asthma, allergic rhinoconjunctivitis or eczema.