Table 1.

The selected characteristics of the studied population

Characteristics	Exposed group	Non-exposed group
No	25	25
	Geo-mean ± SD	Geo-mean ± SD
Age (years)	10.79 ± 1.2	9.49 ± 1.2
Height (cm)	142.4 ± 1.2	134.4 ± 1.06
Weight (kg)	35.52 ± 1.28	30.94 ± 1.26
BMI (kg/m2)	17.51 ± 1.24	17.14 ± 1.16
Gender (%)
Girl   Boy	36 64	48 52
Eating fast food (%)
Once per week   2–3 times per week   More than 3 times	76 24 -	64 24 12
Eating grilled food (%)
Once per week   2–3 times per week   More than 3 times	68 12 20	76 24 -
Eating meat (%)
Once per week   2–3 times per week   More than 3 times	28 40 32	24 16 60
Eating fruits and vegetables (%)
Once per day   2–3 times per day   More than 3 times a day	40 60 -	44 16 40
Eating seafood (%)
Once per week   2–3 times per week   More than 3 times	12 72 16	14 66 20
Frequency of cooking at home (%)
Once per day   2–3 times per day   More than 3 times per day	- 88 12	- 84 16
Age of the house (%)
< 5   5–10   10–15    > 15	20 56 8 16	32 56 8 4
Baby’s sleeping place (%)
Bedroom   Living room	76 24	76 24
Home floor (%)
1st   1 <	80 20	76 24
Using kitchen hoods (%)
Yes   No	64 36	68 32
Number of hookah smokers in the house (%)
0   1   2   3	- 72 28 -	100 - - -
Number of times of hookah smoking (%)
None   Once per day   2–3 times per day   More than 3 times a day	_ 12 72 16	100 - - -
Type of tobacco (%)
None   Fruity   Regular	- 20 80	100 - -