Table.
Prevalence of Exposure to Secondhand Smoke Among Middle and High School Studentsa, Nebraska Youth Tobacco Survey, 2002 and 2006
| Characteristic | 2002 | 2006 | ||
|---|---|---|---|---|
|
| ||||
| n | % Exposed (95% CI) | n | % Exposed (95% CI) | |
| All studentsb | 5341 | 69.0 (66.5-71.4) | 5076 | 61.3 (59.1-63.4)c |
| Race/ethnicity | ||||
| White | 4329 | 70.0 (67.2-72.7) | 3822 | 61.4 (59.0-63.6)c |
| African American | 338 | 64.1 (60.3-67.6) | 452 | 63.0 (56.6-68.9) |
| Hispanic | 312 | 57.1 (50.6-63.3) | 441 | 56.4 (50.0-62.5) |
| Native American | 148 | 82.0 (73.5-88.2) | 137 | 76.0 (67.1-83.1) |
| School level | ||||
| Middle school | 2698 | 62.0 (59.1-64.8) | 2208 | 56.8 (53.4-60.1) |
| High school | 2643 | 74.0 (71.4-76.5) | 2868 | 64.4 (62.0-66.8)c |
| Sex | ||||
| Girls | 2805 | 68.9 (66.0-71.7) | 2603 | 64.9 (62.4-67.4) |
| Boys | 2519 | 69.3 (66.5-72.0) | 2457 | 57.7 (54.8-60.6)c |
| Smoking status | ||||
| Current smokerd | 905 | 95.1 (93.4-96.4) | 647 | 90.5 (87.7-92.7)c |
| Nonsmoker | 4261 | 62.5 (60.3-71.2) | 4207 | 56.2 (54.0-58.4)c |
| Ever tried cigarette smoking | ||||
| Yes | 2312 | 84.2 (81.6-86.4) | 1827 | 78.9 (76.6-81.0)c |
| No | 2697 | 56.1 (53.7-58.5) | 2859 | 50.1 (47.6-52.6)c |
| Close friend(s) smoke | ||||
| Yes | 1815 | 85.0 (82.7-87.1) | 1511 | 81.0 (78.5-83.3) |
| No | 3041 | 57.1 (54.8-59.4) | 3110 | 50.4 (48.1-52.8)c |
| Live with | ||||
| Smoker(s) | 2088 | 89.6 (87.9-91.1) | 1923 | 83.9 (81.5-86.0)c |
| Nonsmoker(s) | 3166 | 55.4 (52.1-58.6) | 3050 | 46.7 (43.9-49.5)c |
| Perceive secondhand smoke as harmful to health | ||||
| Yes | 4102 | 66.3 (63.3-68.7) | 3953 | 57.9 (55.7-60.2)c |
| No | 1093 | 77.3 (73.5-80.7) | 1091 | 73.5 (70.4-76.4) |
a
Survey respondents who indicated that they had been exposed to secondhand smoke in a room, in a car, or both during the 7 days before being surveyed.
b
The total number in each category (e.g., sex, smoking status) does not always add up to the total number "All Students" because cases with missing data on the category being analyzed were not used in the analysis.
c
Indicates significant change (P < .05) from 2002.
d
Current smoker is defined as a person who smoked cigarettes on 1 or more of the 30 days before being surveyed.