Second-Hand Smoking among Intermediate and Secondary School Students in Madinah, Saudi Arabia

Table 1

Characteristics of the studied adolescents by sociodemographic variables and SHS exposure.

Variable	SHS exposure				value
	Exposed		Not exposed
	Number	%	Number	%
Exposure
Outside household	1049	32.7	2161	67.3
At home	1584	49.3	1626	50.7
Overall	801	25.0	2409	75.0
Smoking status
Nonsmoker	365	16.8	1811	83.2	0.00
Smoker or former smoker	436	42.2	598	57.8
Age (in years)
<13	213	45.4	256	54.6	0.00
13–16	919	55.5	738	44.5
>16	700	64.6	384	35.4
Sex
Female	809	51.8	754	48.2	0.00
Male	1023	62.1	624	37.9
School grade
Intermediate	912	52.3	831	47.7	0.00
Secondary	920	62.7	547	37.3
Father’s education
No formal education	96	61.1	61	38.9	0.01
Less than university	833	59.6	564	40.4
University or higher	903	54.5	753	45.5
Mother’s education
No formal education	127	55.5	102	44.5	0.33
Less than university	931	58.4	664	41.6
University or higher	774	55.8	612	44.2
Family structure
One or both parents	1767	56.7	1352	43.3	0.00
Neither	65	71.4	26	28.6

Significant difference.