TABLE 2

Prevalence of Self-Reported SHS Exposure at Home, in a Vehicle, and at School, by Extent of Smoke-Free Rules Among US Middle and High School Students, NYTS, 2013

Setting of SHS ExposureaDistribution of Students by Extent of Smoke-Free Rule % (95% CI)Prevalence of ≥1 Days of SHS Exposure Within the Past 7 Days % (95% CI)
OverallNever Tobacco UserbFormer Tobacco UsercCurrent Tobacco UserdExclusive Cigarette SmokereExclusive Smokeless Tobacco UserfExclusive Electronic Cigarette Userg
n = 18 406n = 18 406n = 10 994n = 2878n = 2829n = 395n = 172n = 88
Home
 No smoke-free rules8.7 (7.5–9.9)81.8 (79.1–84.5)79.4 (75.1–83.8)80.6 (75.0–86.1)86.0 (81.9–90.1)85.9 (76.9–95.0)84.8 (67.3–100.0)90.3 (81.3–99.3)
 Partial smoke-free rules10.8 (9.8–11.9)60.9 (57.7–64.1)55.3 (51.0–59.5)61.4 (54.2–68.7)71.9 (65.8–78.1)77.6 (64.7–90.4)66.7 (46.3–87.1)72.9 (50.7–95.2)
 Complete smoke-free rules80.6 (78.5–82.5)12.6 (11.6–13.6)8.5 (7.6–9.4)17.2 (14.7–19.7)28.9 (26.3–31.6)32.0 (24.1–39.9)25.1 (15.3–34.9)35.1 (19.5–50.6)
Vehicle
No smoke-free rules12.0 (10.6–13.5)78.7 (75.7–81.8)70.2 (64.7–75.7)78.5 (74.1–82.9)87.7 (84.6–90.7)85.5 (77.4–93.7)73.0 (56.2–89.8)89.1 (79.7–98.5)
Partial smoke-free rules12.0 (11.0–13.0)54.2 (51.7–56.8)44.8 (41.0–48.6)54.9 (49.0–60.8)73.7 (68.3–79.1)60.1 (48.0–72.3)63.2 (38.7–87.6)62.3 (32.3–92.4)
Complete smoke-free rules76.1 (73.9–78.1)12.0 (10.8–13.2)7.1 (6.0–8.1)15.8 (13.8–17.9)36.8 (33.7–40.0)41.2 (30.8–51.7)29.8 (20.1–39.5)26.5 (9.1–43.9)
School
 No report of complete smoke-free rule compliance31.4 (28.1–34.9)43.7 (40.8–46.7)32.9 (29.0–36.9)43.2 (38.7–47.8)59.4 (55.7–63.0)30.1 (21.1–39.0)22.7 (7.2–38.2)41.9 (21.4–62.4)
 Report of complete smoke-free rule compliance68.6 (65.1–71.9)16.4 (14.9–17.8)11.8 (10.3–13.2)25.2 (22.0–28.4)33.9 (30.0–37.8)54.7 (44.3–65.2)34.6 (23.2–46.1)43.8 (24.6–62.9)
  • a Self-reported SHS exposure in the home, in a vehicle, or at school was defined as a report by a student that he or she had breathed the smoke from someone who was smoking tobacco products in the specified environment within the past 7 days.

  • b Never tobacco users were students who reported never using any of the following tobacco products in their lifetime: cigarettes/flavored cigarettes, roll-your-own tobacco, cigars/flavored cigars, pipes, bidis, kreteks, hookahs, electronic cigarettes (e-cigarettes), smokeless tobacco (dissolvable tobacco, chewing tobacco/snuff/dip, or snus), or “some other new tobacco products not listed.”

  • c Former tobacco users were students who had ever used any tobacco products during their lifetime but did not use any of these products within the past 30 days.

  • d Current tobacco users were students who had used any tobacco products on at least 1 day during the past 30 days.

  • e Exclusive cigarette smokers were students who reported using cigarettes within the past 30 d, but no other tobacco product.

  • f Exclusive smokeless tobacco users were students who reported using smokeless tobacco (dissolvable tobacco, chewing tobacco/snuff/dip, or snus) within the past 30 days but no other tobacco product.

  • g Exclusive electronic cigarette users were students who reported using electronic cigarettes within the past 30 days but no other tobacco product.