Table 1.
Characteristics of adult survey respondents—2009–2010 Behavioral Risk Factor Surveillance System data.
| Total | Characteristics of survey respondents | Current asthma prevalence | ||
|---|---|---|---|---|
|
| ||||
| Sample sizea | % (95% CI) | % (95% CI) | aPR (95% CI)b | |
| Total | 869,519 | 100 (0–0) | 8.6 (8.4–8.8) | |
| Sex | p < .0001c | |||
| Male | 329,080 | 48.7 (48.5–48.9) | 6.4 (6.3–6.6) | 1.0 (reference) |
| Female | 540,439 | 51.3 (51.1–51.5) | 10.5 (10.3–10.7) | 1.6 (1.5–1.6) |
| Age, year range | p < .0001 | |||
| 18–34 | 95,841 | 28.2 (28.0–28.5) | 9.3 (9.0—9.6) | 1.0 (reference) |
| 35–44 | 116,615 | 20.2 (20.1–20.4) | 7.8 (7.6–8.1) | 0.8 (0.8–0.9) |
| 45–54 | 170,300 | 19.5 (19.3–19.6) | 8.4 (8.2–8.7) | 0.8 (0.8–0.9) |
| 55–64 | 194,791 | 14.7 (14.6–14.8) | 9.0 (8.8–9.2) | 0.8 (0.8–0.9) |
| 65+ | 284,209 | 17.4 (17.2–17.5) | 7.8 (7.6–7.9) | 0.7 (0.6–0.7) |
| Race(non-Hispanic)/ Ethnicity | p < .0001 | |||
| White | 690,022 | 69.2 (69.0–69.4) | 8.6 (8.5–8.8) | 1.0 (reference) |
| Black | 68,024 | 10.2 (10.0–10.3) | 10.0 (9.6–10.5) | 1.0 (0.9–1.0) |
| AI/ANd | 11,961 | 1.1 (1.0–1.1) | 13.0 (11.7–14.5) | 1.3 (1.1–1.5) |
| Asian/Pacific Islander | 15,899 | 3.8 (3.7–3.9) | 4.8 (4.2–5.5) | 0.7 (0.6–0.8) |
| Hispanic | 53,732 | 13.6 (13.4–13.8) | 6.7 (6.3–7.1) | 0.7 (0.7–0.8) |
| Other race | 18,973 | 2.2 (2.1–2.3) | 13.5 (12.5–14.5) | 1.4 (1.3–1.5) |
| Education level | p < .0001 | |||
| High school (HS) graduate or less | 340,602 | 38.4 (38.2–38.6) | 9.1 (8.9–9.3) | 1.0 (1.0–1.0) |
| Some college | 232,036 | 26.3 (26.1–26.5) | 9.3 (9.1–9.6) | 1.1 (1.01–1.1) |
| College 4 years or more | 293,834 | 35.3 (35.1–35.5) | 7.3 (7.1–7.5) | 1.0 (reference) |
| Household income | p < .0001 | |||
| <$15,000 | 86,389 | 10.4 (10.2–10.5) | 13.3 (12.8–13.8) | 1.9 (1.8–2.0) |
| $15,000–$24,999 | 133,940 | 15.8 (15.6–16.0) | 10.2 (9.9–10.6) | 1.5 (1.4–1.6) |
| $25,000–$49,999 | 205,802 | 24.6 (24.4–24.8) | 8.1 (7.9–8.4) | 1.1 (1.1–1.2) |
| $50,000–$74,999 | 120,544 | 16.0 (15.9–16.2) | 7.7 (7.4–8.0) | 1.1 (1.0–1.1) |
| ≥$75,000 | 202,340 | 33.2 (33.9–33.4) | 6.8 (6.6–7.0) | 1.0 (reference) |
| Body Mass Index (BMI) | p < .0001 | |||
| Obese | 234,550 | 27.6 (27.4–27.8) | 11.6 (11.4–11.9) | 1.5 (1.5–1.6) |
| Non-obese | 594,395 | 72.4 (72.2–72.6) | 7.3 (7.2–7.4) | 1.0 (reference) |
| Smoking status | p < .0001 | |||
| Current smoker | 139,086 | 17.6 (17.4–17.8) | 10.5 (10.2–10.9) | 1.2 (1.2–1.3) |
| Former smoker | 263,614 | 24.9 (24.7–25.1) | 8.8 (8.6–9.0) | 1.2 (1.1–1.2) |
| Non-smoker | 461,190 | 57.5 (57.3–57.7) | 7.8 (7.7–8.0) | 1.0 (reference) |
| Physical activity | p < .0001 | |||
| Active | 631,847 | 75.7 (75.5–75.9) | 7.8 (7.7–7.9) | 0.8 (0.8–0.9) |
| Inactive | 236,492 | 24.3 (24.1–24.5) | 10.7 (10.5–11.0) | 1.0 (reference) |
| Health insurance | p < .0001 | |||
| Yes | 776,029 | 84.7 (84.5–84.8) | 8.6 (8.5–8.8) | 1.3 (1.2–1.4) |
| No | 91,238 | 15.3 (15.2–15.5) | 7.8 (7.5–8.2) | 1.0 (reference) |
Notes:
a
Sample size (unweighted) for the corresponding subpopulations.
b
Prevalence rate ratio (95% confidence interval) adjusted for age, sex, race, ethnicity, education, income, obesity, smoking, physical activity, and health insurance.
c
P-values for the chi-square test for independence to determine whether there is a significant relationship between two categorical variables.
d
American Indian/ Alaskan Native.