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SH-3 Data Details

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SH-3 Increase the proportion of students in grades 9 through 12 who get sufficient sleep

About the Data: National

Description of the data source, numerator, denominator, survey questions, and other relevant details about the national estimate.

Data Source: 
Youth Risk Behavior Surveillance System
Changed Since the Healthy People 2020 Launch: 
Yes
Measure: 
percent
Baseline (Year): 
30.9 (2009)
Target: 
33.1
Target-Setting Method: 
Minimal statistical significance
Target-Setting Method Justification: 
No significant change in the estimate has occurred since 2004. The target is the smallest improvement that results in a statistically significant difference when tested against the baseline value, assuming the same standard error for the target as for the baseline.
Numerator: 

Students in grades 9-12 who sleep for 8 or more hours per night

Denominator: 

Students in grades 9 through 12

Comparable Healthy People 2010 Objective: 
Not applicable
Questions Used to Obtain the National Baseline Data: 

    From the 2009 Youth Risk Behavior Surveillance System:

    [NUMERATOR:]

    On an average school night, how many hours of sleep do you get?

    1. 4 or less hours
    2. 5 hours
    3. 6 hours
    4. 7 hours
    5. 8 hours
    6. 9 hours
    7. 10 or more hours
Data Collection Frequency: 
Biennial

About the Data: State

Description of the data source, numerator, denominator, survey questions, and other relevant details about the state-level data.

Data Source: 
Youth Risk Behavior Surveillance System
Measure: 
percent
Numerator: 

Students in grades 9-12 who sleep for 8 or more hours per night

Denominator: 

Students in grades 9 through 12

Questions Used to Obtain the State Data: 

      From the 2009 Youth Risk Behavior Surveillance System:

      [NUMERATOR:]

      On an average school night, how many hours of sleep do you get?

      1. 4 or less hours
      2. 5 hours
      3. 6 hours
      4. 7 hours
      5. 8 hours
      6. 9 hours
      7. 10 or more hours
Data Collection Frequency: 
Biennial

Revision History

Any change to the objective text, baseline, target, target-setting method or data source since the Healthy People 2020 launch.

Description of Changes Since the Healthy People 2020 Launch: 
In 2013, the target was revised from 33.2 to 33.1 percent due to a change in the rounding rules for target calculations of Minimal Statistical Significance.