TABLE 1

Prevalence of Self-Reported SHS Exposure Among US Middle and High School Students, NYTS, 2013

CharacteristicsPrevalence of ≥1 Days of SHS Exposure Within the Past 7 Days % (95% CI)
HomeVehicleSchoolWorkIndoor/Outdoor Public AreaAny Settinga
n = 17 730n = 17 721n = 17 689n = 2803n = 17 574n = 17 805
Overall23.9 (22.0–25.7)25.0 (22.8–27.2)24.9 (23.1–26.8)39.7 (36.4–43.1)39.9 (37.6–42.1)55.9 (53.7–58.1)
Gender
 Girl25.2 (23.2–27.3)26.0 (23.4–28.5)27.1 (24.9–29.3)39.1 (35.7–42.4)45.7 (43.0–48.3)60.4 (57.9–63.0)
 Boy22.5 (20.4–24.6)24.1 (22.0–26.3)22.8 (21.0–24.7)40.2 (35.2–45.2)34.2 (32.1–36.3)51.6 (49.3–53.9)
Age (y)
 9–1117.9 (14.8–21.0)14.1 (11.1–17.2)16.7 (12.8–20.7)43.5 (28.4–58.6)33.1 (28.4–37.8)44.5 (40.1–48.8)
 12–1421.6 (19.4–23.7)20.4 (17.8–23.0)18.9 (17.1–20.7)42.3 (35.1–49.4)36.1 (33.7–38.6)50.8 (48.4–53.2)
 15–1725.8 (23.4–28.1)28.8 (26.1–31.5)30.2 (27.6–32.8)39.1 (35.6–42.7)43.0 (40.3–45.8)60.9 (58.4–63.4)
 ≥1830.5 (26.6–34.5)36.2 (32.4–40.0)34.4 (31.1–37.7)38.9 (33.8–44.1)47.0 (43.3–50.7)65.1 (61.4–68.7)
Grade level
 Middle school (grades 6–8)21.0 (18.6–23.5)19.7 (17.0–22.5)17.2 (15.5–18.8)42.1 (34.5–49.6)34.9 (32.4–37.3)49.0 (46.6–51.5)
 6th18.4 (15.7–21.1)16.3 (13.6–19.0)13.7 (11.5–15.9)36.5 (26.2–46.8)29.7 (26.4–32.9)43.1 (39.7–46.6)
 7th22.0 (19.1–24.9)20.2 (16.9–23.5)18.0 (15.9–20.1)43.6 (31.1–56.1)34.1 (31.0–37.2)48.7 (45.4–52.0)
 8th22.6 (19.5–25.8)22.7 (19.2–26.1)19.8 (17.3–22.2)46.6 (37.2–56.0)40.7 (37.4–44.0)55.3 (52.4–58.2)
 High school (grades 9–12)25.9 (23.7–28.1)29.0 (26.5–31.5)30.7 (28.2–33.2)38.9 (35.6–42.2)43.5 (40.7–46.4)61.2 (58.7–63.7)
 9th25.2 (22.5–27.9)26.2 (23.2–29.3)29.3 (25.5–33.1)47.8 (38.0–57.5)42.3 (38.6–46.0)58.8 (56.0–61.7)
 10th26.1 (23.4–28.8)28.3 (25.1–31.4)30.4 (27.2–33.6)38.5 (31.8–45.2)41.4 (37.7–45.1)59.3 (55.7–62.8)
 11th26.5 (23.3–29.7)30.3 (26.3–34.3)32.3 (28.8–35.7)37.4 (32.4–42.4)43.5 (40.3–46.7)62.4 (59.2–65.7)
 12th26.1 (22.6–29.6)31.8 (27.9–35.6)31.1 (28.0–34.3)37.3 (32.9–41.7)47.4 (44.0–50.8)64.8 (61.2–68.5)
Race/ethnicity
White, non-Hispanic25.1 (22.9–27.3)27.2 (24.6–29.7)24.6 (22.5–26.6)38.2 (34.6–41.8)40.3 (37.9–42.6)57.5 (55.1–60.0)
Black, non-Hispanic22.4 (20.3–24.4)21.6 (19.0–24.3)27.0 (24.8–29.2)44.2 (39.5–48.8)40.0 (36.9–43.1)54.3 (51.6–57.1)
Hispanic14.1 (10.9–17.2)9.9 (7.2–12.7)25.8 (17.0–34.6)37.6 (24.3–50.8)43.5 (31.4–55.6)52.6 (41.8–63.3)
Other, non-Hispanicb22.7 (17.2–28.1)20.1 (15.3–24.8)26.3 (20.0–32.6)45.4 (29.8–61.0)37.8 (30.2–45.4)51.9 (43.7–60.0)
Truant behavior in past 12 mo
 No20.3 (18.6–22.1)20.7 (18.5–22.9)20.4 (18.4–22.5)31.1 (27.9–34.4)36.0 (33.5–38.5)51.6 (49.0–54.1)
 Yes39.3 (36.3–42.3)43.8 (40.4–47.2)44.6 (41.8–47.3)55.1 (50.4–59.8)57.2 (54.5–59.9)75.6 (73.4–77.9)
Tobacco use status
 Never any tobacco userc15.5 (14.1–16.9)14.7 (13.1–16.3)16.8 (14.8–18.7)27.1 (20.9–33.4)35.2 (32.6–37.7)48.0 (45.6–50.4)
 Former any tobacco userd30.8 (28.1–33.5)32.9 (29.8–36.1)32.4 (29.7–35.1)35.3 (29.2–41.5)44.0 (41.1–47.0)64.8 (62.3–67.4)
 Current any tobacco usere48.3 (45.2–51.5)57.5 (54.6–60.4)48.4 (45.5–51.3)55.3 (50.8–59.8)55.0 (52.0–58.1)79.9 (77.6–82.3)
 Exclusive cigarette smokerf53.1 (46.4–59.8)60.0 (53.1–66.9)40.1 (33.8–46.4)49.4 (36.4–62.3)54.1 (47.8–60.0.5)81.6 (75.6–87.7)
 Exclusive smokeless tobacco userg40.5 (32.7–48.2)47.1 (39.4–54.9)31.4 (23.1–39.7)33.9 (19.7–48.1)43.7 (35.6–51.7)73.9 (67.4–80.4)
 Exclusive electronic cigarette userh47.8 (34.4–61.2)45.9 (30.0–61.8)41.2 (27.8–54.5)72.9 (54.9–90.8)50.1 (36.8–63.4)76.3 (64.4-88.3)
  • a Self-reported exposure to SHS in ≥1 of the 5 environments assessed: at home, in a vehicle, at school, at work, and in any indoor/outdoor public area.

  • b Includes American Indian or Alaska Native; and Native Hawaiian or other Pacific Islander.

  • c 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.”

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

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

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

  • g 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.

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