Table 4

Support for various types of smoke-free public areas

Characteristic	Workplaces	Restaurants	Hotels	Public transport terminals	Shopping centres
	(n=1087)	(n=4130)	(n=4108)	(n=4123)	(n=4128)
	AOR* (95% CI)	AOR* (95% CI)	AOR* (95% CI)	AOR* (95% CI)	AOR* (95% CI)
Smoking policy at workplaces
No restriction	Ref	NA	NA	NA	NA
Partial restriction	2.96 (1.38 to 6.35)
Total restriction	14.94 (6.44 to 34.64)
Smoking status
Non-smoker	2.09 (1.04 to 4.21)	1.71 (1.28 to 2.44)	1.61 (1.19 to 2.16)	2.13 (1.50 to 3.01)	1.81 (1.07 to 3.08)
Current smoker	Ref	Ref	Ref	Ref	Ref
Gender
Male	0.83 (0.41 to 1.67)	0.72 (0.54 to 0.99)	0.86 (0.65 to 1.14)	1.19 (0.87 to 1.62)	1.81 (1.14 to 2.87)
Female	Ref	Ref	Ref	Ref	Ref
Ethnicity
Malay	0.64 (0.22 to 1.91)	0.75 (0.51 to 1.09)	0.64 (0.46 to 0.89)	1.08 (0.76 to 1.55)	0.83 (0.45 to 1.50)
Chinese	Ref	Ref	Ref	Ref	Ref
Indian	0.32 (0.08 to 1.38)	0.71 (0.39 to 1.30)	0.55 (0.34 to 0.88)	1.80 (1.03 to 3.14)	1.15 (0.46 to 2.84)
Others	0.40 (0.13 to 1.20)	0.43 (0.29 to 0.68)	0.49 (0.33 to 0.72)	0.62 (0.40 to 0.94)	0.47 (0.24 to 0.91)
Age group (years)
15–24	Sample size too small	1.09 (0.56 to 2.15)	1.31((0.73 to 2.37)	0.82 (0.44 to 1.55)	1.71 (0.74 to 3.97)
25–44		1.13 (0.64 to 2.01)	1.11 (0.70 to 1.77)	0.79 (0.48 to 1.30)	1.60 (0.79 to 3.25)
45–64		1.38 (0.80 to 2.40)	1.44 (0.922.23)	1.21 (0.75 to 1.92)	2.15 (1.17 to 3.92)
≥65		Ref	Ref	Ref	Ref
Educational attainment
Less than primary	1.19 (0.32 to 4.45)	0.58 (0.28 to 1.21)	0.52 (0.29 to 0.91)	0.32 (0.17 to 0.62)	0.38 (0.15 to 0.99)
Primary	1.29 (0.47 to 3.54)	1.19 (0.60 to 2.34)	1.07 (0.64 to 1.79)	0.658 (0.35 to 0.96)	1.19 (0.50 to 2.82)
Secondary/high school	1.43 (0.69 to 2.90)	1.11 (0.58 to 2.12)	1.03 (0.66 to 1.61)	0.66 (0.42 to 1.030)	1.90 (0.86 to 4.18)
College or above	Ref	Ref	Ref	Ref	Ref
Residential area
Urban	Ref	Ref	Ref	Ref	Ref
Rural	0.79 (0.46 to 1.36)	1.27 (0.95 to 1.70)	1.09 (0.86 to 1.38)	1.25 (0.91 to 1.72)	1.29 (0.83 to 2.002)
Income level
Quintile 5	Ref	Ref	Ref	Ref	Ref
Quintile 4	1.53 (0.69 to 3.36)	0.88 (0.63 to 1.22)	0.79 (0.77 to 1.07)	0.98 (0.68 to 1.42)	0.54 (0.27 to 1.07)
Quintile 3	0.97 (0.43 to 2.19)	0.85 (0.57 to 1.27)	0.87 (0.62 to 1.22)	0.88 (0.60 to 1.28)	0.49 (0.25 to 0.96)
Quintile 2	1.14 (0.44 to 2.95)	1.05 (0.70 to 1.58)	0.80 (0.58 to 1.12)	1.06 (0.70 to 1.58)	0.61 (0.29 to 1.28)
Quintile 1	0.52 (0.19 to 1.38)	0.71 (0.46 to 1.09)	0.62 (0.43 to 0.91)	0.89 (0.58 to 1.37)	0.27 (0.15 to 0.50)
Marital status
Single	1.76 (0.94 to 3.30)	0.80 (0.57 to 1.11)	1.16 (0.83 to 1.63)	0.97 (0.66 to 1.42)	0.72 (0.39 to 1.33)
Married	Ref	Ref	Ref	Ref	Ref
Widow/widower/separated	0.75 (0.19 to 3.36)	1.05 (0.66 to 1.68)	1.14 (0.80 to 1.62)	0.97 (0.61 to 1.36)	1.11 (0.67 to 1.81)
Occupation
Government	Sample size Too small	1.29 (0.56 to 2.98)	1.32 (0.64 to 2.72)	0.66 (0.29 to 1.51)	0.45 (0.10 to 1.97)
Non-government		0.66 (0.31 to 1.44)	1.09 (0.55 to 2.13)	0.61 (0.29 to 1.28)	0.43 (0.14 to 1.31)
Self-employed		0.63 (0.37 to 1.06)	1.16 (0.59 to 2.26)	0.61 (0.29 to 1.27)	0.64 (0.21 to 1.96)
Home maker		0.84 (0.39 to 1.81)	0.84 (0.43 to 1.52)	0.52 (0.25 to 1.08)	0.52 (1.17 to 1.61)
Others		Ref	Ref	Ref	Ref
Knowledge score on SHS hazard
0	0.37 (0.08 to 1.80)	0.70 (0.44 to 1.09)	0.55 (0.38 to 0.81)	0.36 (0.23 to 0.56)	0.22 (0.13 to 0.37)
1	3.12 (0.74 to 13.37)	0.91 (0.57 to 1.47)	0.78 (0.55 to 1.12)	0.60 (0.38 to 0.96)	0.44 (0.23 to 0.84)
2	0.86 (0.45 to 1.62)	0.99 (0.69 to 1.42)	0.86 (0.62 to 1.19)	0.67 (0.45 to 0.99)	0.87 (0.51 to 1.47)
3	Ref	Ref	Ref	Ref	Ref