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U.S. Department of Health and Human Services Office of Disease Prevention and Health Promotion

Increase the use of vision rehab services by people with vision loss — V‑08 Data Methodology and Measurement

On this page:  About the National Data  |  Methodology  |  History

About the National Data

Data

Data Source:  National Health Interview Survey (NHIS), CDC/NCHS

Baseline: 4.3 percent of adults 18 years and over with visual impairment used vision rehabilitation services in 2017

Target: 6.2 percent

Numerator
Number of adults aged 18 years and over who have trouble seeing and use any vision rehabilitation services.
Denominator
Number of adults aged 18 years and over who have trouble seeing.
Target-setting method
Projection
Target-setting method details
Linear trend fitted using weighted least squares and a projection at the 25 percent prediction interval.
1
Target-setting method justification
Trend data were evaluated for this objective. Using historical data points, a trend line was fitted using weighted least squares, and the trend was projected into the next decade. This method was used because three or more comparable data points were available, the projected value was within the range of possible values, and a projection at the 25 percent prediction interval was selected because it was a statistically significant improvement from the baseline. The Healthy People 2030 Workgroup Subject Matter Experts viewed this as an ambitious yet achievable target due to data trends.

Methodology

Questions used to obtain the national baseline data

(For additional information, please visit the data source page linked above.)

From the 2017 National Health Interview Survey Vision Supplement:

Numerator:
Do you use any vision rehabilitation services, such as job training, counseling, or training in daily living skills and mobility?
  1. Yes
  2. No
  3. Refused
  4. Don't know
Numerator and Denominator:
Do you have any trouble seeing, even when wearing glasses or contact lenses?
  1. Yes
  2. No
  3. Refused
  4. Don't know

Methodology notes

Persons who respond "yes" having trouble seeing and use any vision rehabilitation service meet the criteria for this objective.

Age-adjustment notes

This Indicator uses Age-Adjustment Groups:

  • Total: 18-24, 25-34, 35-44, 45-64, 65+
  • Sex: 18-24, 25-34, 35-44, 45-64, 65+
  • Race/Ethnicity: 18-24, 25-34, 35-44, 45-64, 65+
  • Educational Attainment: 25-34, 35-44, 45-64, 65+
  • Family Income (percent poverty threshold): 18-24, 25-34, 35-44, 45-64, 65+
  • Family Type: 18-24, 25-34, 35-44, 45-64, 65+
  • Country of Birth: 18-24, 25-34, 35-44, 45-64, 65+
  • Disability Status: 18-24, 25-34, 35-44, 45-64, 65+
  • Geographic Location: 18-24, 25-34, 35-44, 45-64, 65+
  • Health Insurance Status: 18-24, 25-34, 35-44, 45-64
  • Sexual orientation: 18-24, 25-34, 35-44, 45-64, 65+
  • Marital Status: 18-24, 25-34, 35-44, 45-64, 65+

History

Comparable HP2020 objective
Retained, which includes core objectives that are continuing from Healthy People 2020 with no change in measurement.

1. Because Healthy People 2030 objectives have a desired direction (e.g., increase or decrease), the confidence level of a one-sided prediction interval can be used as an indication of how likely a target will be to achieve based on the historical data and fitted trend.