Table 1. Distributiona of Selected Characteristics of the Adult Study Population, by Airport Noise Exposure Zone, Behavioral Risk Factor Surveillance System, 2008 and 2009.
| Characteristic | Exposure Zone |
Outside Exposure Zone (n = 738,069) |
||||||
|---|---|---|---|---|---|---|---|---|
| ≥65 dB (n = 855) |
60 dB to <65 dB (n = 2,368) |
55 dB to <60 dB (n = 4,576) |
||||||
| n | % (95%CI) | n | % (95%CI) | n | % (95%CI) | n | % (95%CI) | |
| Year | ||||||||
| 2008 | 450 | 50.4 (43.4–57.3) | 1,123 | 50.4 (46.2–54.5) | 2,149 | 54.6 (51.5–57.7) | 361,604 | 50.0 (49.8–50.2) |
| 2009 | 405 | 49.6 (42.7–56.6) | 1,245 | 49.6 (45.5–53.8) | 2,427 | 45.4 (42.3–48.5) | 376,465 | 50.0 (49.8–50.2) |
| Sex | ||||||||
| Male | 306 | 50.2 (43.2–57.2) | 865 | 49.6 (45.4–53.8) | 1,682 | 48.5 (45.3–51.7) | 287,314 | 49.7 (49.5–50.0) |
| Female | 549 | 49.8 (42.8–56.8) | 1,503 | 50.4 (46.2–54.6) | 2,894 | 51.5 (48.3–54.7) | 450,755 | 50.3 (50.0–50.0) |
| Age, y | ||||||||
| 18–34 | 138 | 32.8 (25.5–41.0) | 353 | 33.8 (29.5–38.3) | 672 | 35.1 (31.6–38.7) | 91,535 | 30.5 (30.2–30.8) |
| 35–44 | 147 | 18.9 (14.5–24.2) | 424 | 23.2 (19.8–27.0) | 718 | 19.9 (17.6–22.5) | 108,129 | 19.0 (18.8–19.2) |
| 45–54 | 198 | 21.2 (16.5–26.9) | 468 | 19.7 (16.7–23.0) | 921 | 17.7 (15.7–19.8) | 152,154 | 19.3 (19.1–19.4) |
| 55–64 | 148 | 14.2 (10.6–18.7) | 461 | 11.4 (9.5–13.7) | 1,004 | 14.0 (12.5–15.7) | 162,125 | 14.5 (14.4–14.6) |
| ≥65 | 224 | 12.9 (10.1–16.3) | 662 | 12.0 (10.4–13.8) | 1,261 | 13.3 (11.9–14.8) | 224,126 | 16.7 (16.5–16.8) |
| Race/ethnicity | ||||||||
| Non-Hispanic white | 515 | 42.9 (36.5–49.5) | 1,703 | 51.3 (47.1–55.5) | 2,866 | 42.4 (39.5–45.4) | 602,177 | 70.8 (70.5–71.0) |
| Non-Hispanic black | 111 | 20.4 (15.0–27.1) | 248 | 17.5 (14.3–21.3) | 868 | 20.0 (17.6–22.6) | 55,453 | 9.8 (9.6–10.0) |
| Hispanic | 181 | 30.4 (23.4–38.4) | 271 | 23.8 (19.8–28.4) | 589 | 29.5 (26.4–32.8) | 40,498 | 12.7 (12.5–12.9) |
| Non-Hispanic other | 48b | 6.4 (3.9–10.3) | 146 | 7.4 (5.5–9.9) | 253 | 8.1 (5.8–11.2) | 39,941 | 6.7 (6.6–6.9) |
| Education | ||||||||
| <High school graduate | 141 | 18.3 (12.5–26.1) | 214 | 11.6 (8.9–15.0) | 488 | 14.3 (12.3–16.6) | 63,892 | 10.0 (9.8–10.2) |
| High school graduate | 302 | 30.9 (25.2–37.3) | 756 | 29.0 (25.5–32.8) | 1,385 | 29.6 (26.7–32.6) | 220,815 | 28.5 (28.2–28.7) |
| Some college | 199 | 23.7 (18.3–30.0) | 653 | 26.4 (22.6–30.4) | 1,207 | 26.5 (23.4–29.8) | 199,520 | 26.9 (26.7–27.1) |
| ≥College graduate | 213 | 27.1 (21.6–33.4) | 745 | 33.0 (29.3–36.9) | 1,496 | 29.7 (27.1–32.3) | 253,842 | 34.6 (34.4–34.9) |
| Smoking | ||||||||
| Never smoked | 480 | 62.1 (55.4–68.4) | 1,146 | 55.0 (50.8–59.1) | 2,347 | 60.6 (57.6–63.5) | 389,236 | 56.5 (56.3–56.7) |
| Former smoker | 204 | 17.8 (13.7–23.0) | 734 | 22.8 (19.7–26.2) | 1,337 | 20.6 (18.6–22.8) | 224,033 | 25.0 (24.8–25.2) |
| Current smoker | 171 | 20.1 (15.3–25.9) | 488 | 22.2 (18.8–26.0) | 892 | 18.8 (16.5–21.4) | 124,800 | 18.5 (18.3–18.7) |
| Weight status (kg/m2) | ||||||||
| Nonoverweight (<25.0) | 294 | 40.7 (33.6–48.3) | 853 | 35.9 (32.1–39.9) | 1,575 | 35.9 (32.7–39.3) | 259,624 | 36.5 (36.2–36.7) |
| Overweight (25.0–29.9) | 313 | 29.8 (24.7–35.5) | 839 | 35.1 (31.2–39.2) | 1,595 | 34.6 (31.8–37.5) | 271,118 | 36.3 (36.1–36.6) |
| Obese (≥30.0) | 248 | 29.5 (23.7–35.9) | 676 | 29.0 (25.1–33.2) | 1,406 | 29.5 (26.8–32.4) | 207,327 | 27.2 (27.0–27.4) |
| Household incomec, $ | ||||||||
| ≤37,349 | 89 | 13.6 (9.1–19.9) | 391 | 23.7 (20.1–27.7) | 904 | 21.8 (19.2–24.6) | 131,085 | 13.3 (13.2–13.5) |
| 37,350–45,526 | 422 | 43.4 (36.4–50.6) | 353 | 11.0 (8.6–13.9) | 636 | 17.8 (15.5–20.4) | 158,625 | 17.8 (17.6–18.0) |
| 45,527–57,748 | 167 | 23.7 (19.1–29.1) | 821 | 26.9 (23.7–30.3) | 1,147 | 23.1 (20.6–25.8) | 197,853 | 25.6 (25.4–25.9) |
| >57,748 | 177 | 19.3 (14.8–24.7) | 803 | 38.5 (34.4–42.7) | 1,889 | 37.3 (34.3–40.4) | 250,506 | 43.3 (43.0–43.5) |
Abbreviations: CI, confidence interval; dB, decibel.
a
Distribution percentages and 95% CIs obtained from weighted unadjusted analyses that take into account the complex sampling design.
b
Estimate may be unstable when cell size <50 respondents.
c
Household income based on medium household income of the ZIP Code.