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Table 2 Frequency of second-hand smoke exposure at specific locations among adolescent girls with at least weekly overall exposure in the past month (N = 362)

From: An examination of exposure and avoidance behavior related to second-hand cigarette smoke among adolescent girls in Canada

Overall (excluding your own smoking) in the past month were you exposed to second hand smoke? At least once a week (N = 223) % (95% CI) Every day or almost every day (N = 139) % (95% CI)
In the past month (excluding your own smoking), how often were you exposed to SHS:   
In your own home Never (n = 243) 80% (73.8-84.8) 48% (38.3-55.4)
  At least once in past month (n = 24) 7% (4.0-11.1) 7% (3.2-12.3)
  At least once a week (n = 29) 10% (6.1-14.2) 6% (2.7-11.4)
  Every day or almost every day (n = 62) 4% (1.7-7.2) 39% (30.8-47.5)
Inside a car or other vehicle Never (n = 201) 67% (59.7-72.5) 38% (30.1-46.8)
Once (n = 39) 12% (7.9-16.8) 9% (5.3-15.8)
  A few times (n = 54) 15% (10.9-20.8) 14% (9.2-21.6)
  More than a few times (n = 28) 4% (1.7-7.2) 14% (9.2-21.6)
  A lot (n = 38) 2% (0.8-5.4) 24% (17.1-31.8)
Inside someone else’s home Never (n = 187) 59% (51.5-64.8) 41% (32.8-49.7)
Once (n = 57) 17% (12.1-22.3) 15% (9.2-21.6)
  A few times (n = 70) 19% (13.7-24.2) 21% (14.6-28.7)
  More than a few times (n = 22) 4% (1.7-7.2) 10% (5.8-16.6)
  A lot (n = 23) 2% (0.8-5.4) 13% (8.1-20.0)
At/near your school Never (n = 49) 15% (10.9-20.8) 11% (6.4-17.5)
Once (n = 40) 14% (9.4-18.8) 7% (3.7-13.2)
  A few times (n = 131) 40% (33.1-46.2) 31% (23.5-39.4)
  More than a few times (n = 59) 16% (11.7-21.8) 17% (11.0-24.0)
  A lot (n = 81) 15% (10.9-20.8) 34% (26.2-42.4)
On an outdoor patio of a restaurant or bar Never (n = 91) 26% (20.1-31.9) 25% (17.8-32.6)
Once (n = 46) 17% (12.1-22.3) 7% (3.2-12.3)
A few times (n = 136) 40% (33.5-46.7) 34% (26.2-42.4)
  More than a few times (n = 48) 12% (7.9-16.8) 16% (10.4-23.2)
  A lot (n = 37) 5% (2.9-9.4) 18% (12.2-25.6)
At a bus stop or shelter Never (n = 82) 20% (15.2-26.2) 27% (19.7-34.9)
Once (n = 38) 11% (7.5-16.3) 10% (5.3-15.8)
  A few times (n = 133) 44% (36.9-50.3) 27% (19.0-34.1)
  More than a few times (n = 57) 18% (13.3-23.8) 13% (7.5-19.1)
  A lot (n = 49) 7% (4.3-11.6) 24% (17.1-31.8)
Outdoors such as on a sidewalk or in a park Never (n = 26) 5% (2.6-8.9) 11% (6.4-17.5)
Once (n = 35) 15% (10.2-19.8) 2% (0.6-6.7)
A few times (n = 136) 44% (36.5-49.8) 29% (21.6-37.2)
  More than a few times (n = 87) 22% (16.8-28.1) 28% (20.3-35.7)
  A lot (n = 73) 15% (10.2-19.8) 30% (22.2-37.9)
At an entrance to a building Never (n = 40) 11% (7.2-15.8) 12% (6.9-18.3)
Once (n = 38) 11% (7.2-15.8) 10% (5.8-16.6)
  A few times (n = 148) 47% (40.0-53.4) 32% (24.2-40.2)
  More than a few times (n = 80) 23% (18.1-29.5) 21% (14.0-28.0)
  A lot (n = 53) 9% (5.3-13.2) 25% (17.8-32.6)
At any other public place such as a shopping mall, arena, concert, or sporting event Never (n = 34) 9% (5.3-13.2) 11% (6.4-17.5)
Once (n = 23) 9% (5.7-13.7) 2% (0.6-6.7)
A few times (n = 156) 49% (41.7-55.2) 35% (26.8-43.1)
More than a few times (n = 80) 23% (17.6-29.1) 21% (14.6-28.7)
  A lot (n = 64) 10% (6.1-14.2) 31% (23.5-39.4)