Table 1 Demographic and genetic characteristics

Age, years

Mean ± SD

10.67 ± 3.38

10.61 ± 2.85

0.940

Weight, kg

Mean ± SD

40.79 ± 9.85

67.12 ± 14.02

 < 0.001

Height, cm

Mean ± SD

139.39 ± 17.25

140.96 ± 12.67

0.647

BMI

Mean ± SD

21.10 ± 3.48

33.65 ± 3.88

 < 0.001

Sex

Male

10 (47.60%)

34 (47.20%)

0.974

Female

11 (52.40%)

38 (52.80%)

Residence

Urban

18 (85.70%)

22 (30.60%)

 < 0.001

Rural

3 (14.30%)

50 (69.40%)

No of siblings

One child

1 (4.80%)

3 (4.20%)

1.000

Two or more children

20 (95.20%)

69 (95.80%)

FH of asthma

Negative

21 (100.00%)

10 (13.90%)

 < 0.001

Positive

0 (0.00%)

62 (86.10%)

FH of atopy

Negative

21 (100.00%)

3 (4.20%)

 < 0.001

Positive

0 (0.00%)

69 (95.80%)

Level of father education

School

3 (14.30%)

14 (19.40%)

0.754

High

18 (85.70%)

58 (80.60%)

Level of mother education

School

5 (23.80%)

12 (17.00%)

–

High

16 (76.20%)

60 (83.00%)

Food allergy

Negative

19 (90.50%)

14 (19.40%)

 < 0.001

Positive

2 (9.50%)

58 (80.60%)

Contact of animal

Negative

18 (85.70%)

15 (20.80%)

 < 0.001

Positive

3 (14.30%)

57 (79.20%)

rs7927044

AA

3 (15.00%)

6 (8.30%)

0.671

GG

14 (70.00%)

55 (76.40%)

AG

3 (15.00%)

11 (15.30%)

rs4795399

CC

2 (10.00%)

0 (0.00%)

0.024

TT

15 (75.00%)

62 (86.10%)

CT

3 (15.00%)

10 (13.90%)

rs1100019

GG

17 (85.00%)

64 (88.90%)

0.699

AG

3 (15.00%)

8 (11.10%)

rs16929097

AA

1 (5.00%)

2 (2.80%)

0.563

GG

12 (60.00%)

52 (72.20%)

AG

7 (35.00%)

18 (25.00%)