Table 2 Exposure to secondhand smoke

Exposure during past month, in various places

Anyplace% Exposed

82.4

80.2

.7596

Home% Exposed

0

32.1

<.0001

Work% Exposed

26.5

45.6

.0303

Café, bar, or pub% Exposed

29.4

43.3

.1140

Public transportation% Exposed

29.4

35.4

.4811

Elsewhere% Exposed

39.4

39.0

.9598

Frequency of exposure during regular week

Daily

5.9

33.9

.0059

4-6 times/week

2.9

6.2

2-3 times/week

26.5

13.4

Once per week

23.5

15.8

Never

41.2

30.7

Hours of exposure during past week

>8

0

13.9

.0067

2-8

3.0

17.1

0-2

57.6

37.4

None

39.4

31.6