Table 2.

Weighted prevalence of exposure to SHS at home among non-smokers by place of residence and background characteristics

	Rural (N=32 738)	Urban (N=23 202)
Overall	53.7	34.5
Sex
Male	49.2	32.2
Female	57.4	36.6
χ2 value	207.905**	113.943**
Age group
15–24	55.6	38.7
25–44	53.9	34.4
45–64	51.1	29.9
65+	50.7	31.0
χ2 value	57.391**	112.122**
Education
No formal education	60.6	47.6
Less than primary	53.6	41.9
Primary but less than secondary	54.3	39.4
Secondary and above	41.8	25.5
χ2 value	485.83**	805.538**
Occupation
Government and non-government employee	49.9	31
Self-employed	53.9	37.1
Student	51.1	30.9
Homemaker	57.2	37.3
Retired or unemployed	52.2	30.2
χ2 value	139.969**	139.226**
National region
North	52.9	38.9
Central	67.1	48.7
East	58.8	44.2
Northeast	52.6	44.6
West	46.6	32.9
South	29.2	17.8
χ2 value	2630.923**	1654.412**
Antismoking messages in newspaper or magazines
No	50.3	35.7
Yes	42.9	28.0
χ2 value	128.537**	123.547**
Antismoking messages in TV/radio
No	50.4	36.6
Yes	48.9	31.6
χ2 value	6.117*	44.941**
Knowledge that SHS exposure is harmful
No	56.1	39.8
Yes	53.2	33.9
χ2 value	10.528**	20.242**
Knowledge that smoking causes stroke
No	55.5	35.6
Yes	51.8	33.6
χ2 value	30.509**	22.938**
Knowledge that smoking causes heart attack
No	56.4	39.5
Yes	52.1	32.6
χ2 value	25.753**	56.260**
Knowledge that smoking causes lung cancer
No	57.7	41.5
Yes	52.9	33.8
χ2 value	1.441	36.311**

*p<0.05.

**p<0.01.

SHS, second-hand tobacco smoke.