Healthy Days Methods and Measures | HRQOL | CDC

How Does CDC Measure Population Health-Related Quality of Life?
CDC uses a hardened of questions called the “ Healthy Days Measures. ” These questions include the follow :

  • Would you say that in general your health is excellent, very good, good, fair or poor?
  • Now thinking about your physical health, which includes physical illness and injury, how many days during the past 30 days was your physical health not good?
  • Now thinking about your mental health, which includes stress, depression, and problems with emotions, how many days during the past 30 days was your mental health not good?
  • During the past 30 days, approximately how many days did poor physical or mental health keep you from doing your usual activities, such as self-care, work, or recreation?

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Health-Related Quality of Life Measures
Health-Related quality of Life Measures ( English )
Health-Related quality of Life Measures ( Spanish )
This section includes the four core questions above, and ten-spot extra questions about health-related quality of life. These questions ask about recent pain, low, anxiety, wakefulness, life force, and the lawsuit, duration, and badness of a current activity restriction an individual may have in his or her life .
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Origins and Use of CDC HRQOL Measures and Data
Since 1993, the four core Healthy Days measures have been part of the submit based BRFSS ’ s broad sample. besides starting in 2000, the Healthy Days Measures were added to the examen component of the National Health and Nutrition Examination Survey ( NHANES ). The demonstrated measure of these measures and the continuous collection of public domain data have resulted in support from the CDC Disability, Women ’ s Health, and Arthritis Programs. The HRQOL measures and data besides have been used for research or broadcast plan by CDC ’ s Cardiovascular Health and HIV/AIDS Programs a well as by the Public Health Foundation, the Foundation for Accountability, and respective other government and academic programs .
In recent years, several organizations have found these Healthy Days measures utilitarian at the national degree for ( 1 ) identifying health disparities, ( 2 ) tracking population trends, and ( 3 ) build across-the-board coalitions around a measure of population health compatible with the World Health Organization ’ s definition of health .

“Health is a state of complete physical, mental, and social well-being, and not merely the absence of disease or infirmity.”

One of the greatest anticipate uses of the BRFSS Healthy Days measures and data is at the state and local levels for tracking overall advancement on achieving healthy People 2020External goals .
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How is the Summary Index of Unhealthy Days Calculated?
unhealthy days are an estimate of the overall number of days during the former 30 days when the answering felt that either his or her physical or genial health was not good. To obtain this appraisal, responses to questions 2 and 3 are combined to calculate a summary exponent of overall unhealthy days, with a coherent maximum of 30 unhealthy days. For exercise, a person who reports 4 physically unhealthy days and 2 mentally unhealthy days is assigned a value of 6 unhealthy days, and person who reports 30 physically unhealthy days and 30 mentally insalubrious days is assigned the maximal of 30 unhealthy days .
healthy days are the cocksure complemental form of unhealthy days. healthy days estimates the number of late days when a person ’ randomness physical and genial health was good ( or better ) and is calculated by subtracting the number of insalubrious days from 30 days .
Image: Calendar depicting 24 healthy days, 4 unhealthy day-physical and 2 unhealthy day-mental within a 30 day period. Text: Healthy Days = days in the past 30 days when both physical and mental health were good.
The method acting for estimating unhealthy days is supported by the actual practice of sketch responses to two individual questions. The majority of individuals report well different numbers of physically unhealthy days versus mentally insalubrious days ; for model, in the 1998 Behavioral Risk Factor Surveillance System ( BRFSS ) 67.8 % of the 68,619 adults who reported any unhealthy days, reported only physically unhealthy days or mentally unhealthy days, while 4.5 % reported peer numbers for each measure. extra attest indicates that other reported days do not overlap ; for example, 10.5 % of the 256 persons who reported both 15 physically insalubrious days and 15 mentally unhealthy days besides reported more than 15 days of late action restriction due to inadequate physical or mental health. An alternate calculation method acting that assumed a maximal amount of overlap in the two responses ( for example, a person who reports 4 physically insalubrious days and 2 mentally unhealthy days is assigned a respect of 4 insalubrious days ) was not as plausible from the overall reaction design. furthermore, this latter method resulted in only a 0.4-day overall base remainder in unhealthy days compared with the recommended method and showed similar demographic patterns and subgroup differences with aggregate population data .
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SAS, SPSS, and SUDAAN syntax to correctly recode or create the Healthy Days Measures. For extra questions about the syntax, please Contact CDC-Info .
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reference :
Category : Health

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