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Crashes involving drowsy drivers, 2005–2012

Decrease Desired

SOURCE: General Estimates System (GES), DOT/NHTSA.

NOTE: Data are for vehicular crashes per 100 million miles traveled that were due to drowsy driving.

The rate of crashes involving drowsy drivers decreased 26.7% between 2005 and 2011, from 3.0 to 2.2 per 100 million miles traveled, but then increased by 22.7% in 2012 to 2.7 per 100 million miles traveled.

Revised: Monday, August 25, 2014

Sufficient sleep, adolescents, 2013

Increase Desired

SOURCE: Youth Risk Behavior Surveillance System (YRBSS), CDC/NCCDPHP.

NOTES: Data are for the proportion of students in grades 9–12 who reported getting sufficient sleep (8 hours or more) on an average school night. Respondents were asked to select one or more races. The single-race categories include persons who reported only one racial group and exclude persons of Hispanic origin. Persons of Hispanic origin may be of any race.

Confidence Interval = 95% confidence interval.

In 2013, 31.7% of students in grades 9–12 reported getting sufficient sleep (8 hours or more) on an average school night. This proportion varied by sex, race and ethnicity, and grade. For example:

  • 34.5% of male students in grades 9–12 reported getting sufficient sleep on an average school night, compared with 28.9% of female students in grades 9–12. 

  • 32.7% of Hispanic or Latino students in grades 9–12 reported getting sufficient sleep on an average school night, compared with 28.2% of (non-Hispanic) black students and 26.1% of (non-Hispanic) Asian students. 

  • 39.9% of 9th graders reported getting sufficient sleep on an average school night, compared with 28.5% of 11th graders and 23.3% of 12th graders.  The proportion of 9th graders who reported getting sufficient sleep was about one and a half times the proportion for 12th graders.

Revised: Monday, August 25, 2014

Sufficient sleep, adults, 2012

Increase Desired

SOURCE: National Health Interview Survey (NHIS), CDC/NCHS.

NOTES: Data are for the proportion of adults aged 18 and over who reported getting sufficient sleep (8 hours or more for adults aged 18–21; 7 hours or more for adults aged 22 and over) during a 24-hour period. Respondents were asked to select one or more races. Data for the single-race categories are for persons who reported only one racial group. Persons of Hispanic origin may be of any race. 

Confidence Interval = 95% confidence interval.

In 2012, 69.1% of adults reported getting sufficient sleep (8 hours or more for adults aged 18–21; 7 hours or more for adults aged 22 and over). This proportion varied by sex, race and ethnicity, and age. For example:

  • 69.4% of male adults reported getting sufficient sleep, compared with 68.8% of female adults, although this difference was not statistically significant.

  • The proportion of Hispanic or Latino adults who reported getting sufficient sleep, 71.1%, was nearly one and a half times the proportion for adults of two or more races, 53.1%, and more than one and a half times the proportion for Native Hawaiian or Other Pacific Islander adults, 44.6%.

  • 76.3% of adults aged 65 and over reported getting sufficient sleep, compared with 69.7% of adults aged 25–44, 66.8% of adults aged 45–64, and 63.7% of adults aged 18–24.

Revised: Monday, August 25, 2014

National Snapshots Help

HEALTHY PEOPLE 2020 NATIONAL SNAPSHOTS

A User's Guide

  1. National snapshots provide a visual display of progress for selected objectives in each Healthy People 2020 Topic Area, whenever data are available.

  2. The snapshot heading describes the snapshot theme, the population to which the snapshot applies (when needed for clarification), and the data year(s). The snapshot heading is not meant to capture the full scientific scope of the objective(s) that is (are) displayed. The user can find complete technical information about the objective(s) in the Data Details.

  3. The snapshot visual display is generally one of three types: a line graph, a bar chart, or a map. 

  4. The snapshot notes and footnotes indicate any technical information about the data that the user needs to correctly interpret the visual display, together with any key data limitations (when applicable). Although the snapshots are intended to be standalone, the user should consult the objective(s) Data Details for the full range of methodology issues that may impact interpretation.

  5. The snapshot source(s) indicate the data source(s) used to create the visual display.

  6. Age-adjusted data are adjusted using the year 2000 standard population.

  7. Education and income are the primary measures of socioeconomic status in Healthy People 2020. Unless otherwise noted, income is defined as a family’s income before taxes; thus, the terms “income” and “family income” are used interchangeably in the snapshots.

  8. To facilitate comparisons among groups and over time, while adjusting for family size and for inflation, Healthy People 2020 categorizes family income using the Poverty Threshold (PT), sometimes also referred to as the Federal Poverty Level (FPL), developed by the Census Bureau. Unless otherwise overridden by considerations specific to the data system, the five categories of family income primarily used are: 

    1. Below the PT (i.e., less than 100% of the PT) 

    2. At 100%–199% of the PT 

    3. At 200%–399% of the PT 

    4. At 400%–599% of the PT 

    5. At or above 600% of the PT.

  9. A snapshot narrative paragraph highlights some key features of the visual display. The narrative text is not meant to provide an exhaustive analysis of the data displayed. For a more in-depth analysis, the user should refer to the applicable data table(s) and objective(s) Data Details.

  10. The user should keep in mind the following: 

    1. When two rates or proportions are highlighted for comparison (and measures of variability are available), the user may interpret the highlighted difference to be statistically significant at the 0.05 level, unless otherwise stated.

    2. Only selected differences are highlighted in the narrative text. Differences visible in the visual data display but not highlighted in the text still may well be statistically significant.

Revised: Monday, August 25, 2014