Table 2. Mean Number of Days and Prevalence of Insufficient Sleep or Rest in Previous 30 Days, by Selected Characteristics, Behavioral Risk Factor Surveillance System, 2008 and 2009.
| Characteristic | Sample, n | Number of Days, Mean (95% CI) | All 30 Daysa, % (95% CI) | No Daysb, % (95% CI) |
|---|---|---|---|---|
| Total sample | 745,868 | 8.6 (8.5–8.6) | 10.8 (10.7–11.0) | 30.1 (29.9–30.4) |
| Year | ||||
| 2008 | 365,326 | 8.7 (8.6–8.7) | 11.1 (10.8–11.3) | 29.9 (29.6–30.2) |
| 2009 | 380,542 | 8.5 (8.4–8.5) | 10.5 (10.3–10.7) | 30.4 (30.1–30.7) |
| Sex | ||||
| Male | 290,167 | 8.0 (7.9–8.1) | 9.6 (9.4–9.9) | 32.3 (32.0–32.7) |
| Female | 455,701 | 9.1 (9.0–9.2) | 11.9 (11.7–12.1) | 28.0 (27.7–28.3) |
| Age, y | ||||
| 18–34 | 92,698 | 10.1 (10–10.2) | 12.6 (12.3–13.0) | 21.1 (20.6–21.6) |
| 35–44 | 109,418 | 9.8 (9.7–9.9) | 11.9 (11.5–12.2) | 21.4 (21.0–21.9) |
| 45–54 | 153,741 | 9.0 (8.9–9.1) | 11.0 (10.7–11.3) | 26.0 (25.6–26.4) |
| 55–64 | 163,738 | 7.4 (7.4–7.5) | 9.7 (9.4–9.9) | 36.4 (35.9–36.8) |
| ≥65 | 226,273 | 4.8 (4.7–4.9) | 6.9 (6.7–7.1) | 56.2 (55.8–56.5) |
| Race/ethnicity | ||||
| Non-Hispanic white | 607,261 | 8.6 (8.6–8.7) | 10.5 (10.3–10.7) | 29.6 (29.4–29.8) |
| Non-Hispanic black | 56,680 | 9.1 (8.9–9.3) | 13.4 (12.8–13.9) | 29.2 (28.5–30.0) |
| Hispanic | 41,539 | 7.9 (7.7–8.1) | 10.1 (9.5–10.6) | 32.6 (31.7–33.5) |
| Non-Hispanic other | 40,388 | 8.5 (8.3–8.7) | 11.5 (10.8–12.2) | 32.3 (31.3–33.4) |
| Education | ||||
| <High school graduate | 64,735 | 8.8 (8.6–8.9) | 14.4 (13.8–15.0) | 36.2 (35.3–37.0) |
| High school graduate | 223,258 | 8.6 (8.5–8.7) | 12.4 (12.1–12.7) | 34.3 (33.8–34.7) |
| Some college | 201,579 | 9.1 (9.0–9.2) | 11.7 (11.4–12.0) | 28.0 (27.6–28.4) |
| ≥College graduate | 256,296 | 8.0 (8.0–8.1) | 7.7 (7.5–7.9) | 26.6 (26.3–27.0) |
| Smoking | ||||
| Never smoked | 393,209 | 8.1 (8.0–8.1) | 8.9 (8.7–9.1) | 28.9 (28.6–29.2) |
| Former smoker | 226,308 | 7.9 (7.8–7.9) | 10.2 (9.9–10.4) | 35.9 (35.5–36.3) |
| Current smoker | 126,351 | 11.0 (10.9–11.2) | 17.4 (17.0–17.9) | 26.1 (25.6–26.6) |
| Weight status (kg/m2) | ||||
| Nonoverweight (<25.0) | 262,346 | 8.1 (8.1–8.2) | 9.6 (9.4–9.9) | 30.4 (30.0–30.8) |
| Overweight (25.0–29.9) | 273,865 | 8.1 (8.0–8.2) | 9.8 (9.6–10.1) | 31.7 (31.4–32.1) |
| Obese (≥30.0) | 209,657 | 9.7 (9.6–9.8) | 13.6 (13.3–13.9) | 27.8 (27.4–28.1) |
| Household incomec, $ | ||||
| <37,349 | 132,469 | 9.0 (8.9–9.1) | 13.4 (12.9–13.8) | 31.8 (31.2–32.4) |
| 37,350–45,526 | 160,036 | 8.7 (8.6–8.8) | 11.9 (11.5–12.3) | 31.9 (31.4–32.4) |
| 45,527–57,748 | 199,988 | 8.6 (8.5–8.7) | 11.1 (10.8–11.4) | 30.9 (30.4–31.3) |
| >57,748 | 253,375 | 8.3 (8.3–8.4) | 9.4 (9.1–9.6) | 28.5 (28.1–28.8) |
| Noise zone | ||||
| ≥65 dB | 855 | 8.2 (6.9–9.5) | 9.8 (7.0–13.5) | 32.1 (26.6–38.2) |
| 60 dB to <65 dB | 2,368 | 8.5 (7.7–9.3) | 10.6 (8.5–13.1) | 28.2 (24.6–32.0) |
| 55 dB to <60 dB | 4,576 | 8.1 (7.5–8.7) | 9.7 (8.2–11.3) | 31.0 (27.9–34.3) |
| Outside exposure zone | 738,069 | 8.6 (8.5–8.6) | 10.8 (10.7–11.0) | 30.1 (29.9–30.4) |
Abbreviations: CI, confidence interval; dB, decibel.
a
Weighted unadjusted prevalence and 95% CIs of all 30 days versus zero to 29 days of reported insufficient sleep or rest in the previous 30 days.
b
Weighted unadjusted prevalence and 95% CIs of no days versus 1 or more days of reported insufficient sleep or rest in the previous 30 days.
c
Household income based on medium household income of the ZIP Code.