Table 1

Prevalence of infrequent and habitual snoring by age and gender


Gender


Boys
Girls


n
%
n
%
P

Infrequent snoring
130
25.9
118
24.4
>0.05
Habitual snoring
82
16.3
69
14.3
>0.05

Age


< 7 years
7 – 9 years
> 9 years
P

n
%
n
%
n
%


Infrequent snoring
77
26.6
70
25.5
100
24.0
>0.05
Habitual snoring
58
20.1
42
15.3
51
12.2
0.03

Zhang et al. Respiratory Research 2004 5:19   doi:10.1186/1465-9921-5-19