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Jane F. Gentleman, PhD Hanyu Ni, PhD

U.S. DEPARTMENT OF HEALTH AND HUMAN SERVICES Centers for Disease Control and Prevention National Center for Health Statistics. Early Release of Selected Estimates from the National Health Interview Survey. Jane F. Gentleman, PhD Hanyu Ni, PhD.

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Jane F. Gentleman, PhD Hanyu Ni, PhD

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  1. U.S. DEPARTMENT OF HEALTH AND HUMAN SERVICES Centers for Disease Control and Prevention National Center for Health Statistics Early Release of Selected Estimates from theNational Health Interview Survey Jane F. Gentleman, PhD Hanyu Ni, PhD

  2. National Health Interview Survey (NHIS): A large, complex national survey 1997 NHIS redesign Timeliness of annual MICRODATA releases is good and getting even better Early Release program (ER) now releases updated ESTIMATES every 3 months Background

  3. Expert meeting: Identified key measures Determined how to expedite editing and weighting Chose to release on Internet only First release: April 2001 Background

  4. Objectives Provide ready and timely access to the most recent NHIS key estimates Monitor health and health care Measure progress toward national public health objectives NHIS Early Release (ER) Program

  5. Web-based only Uses partial-year data Released… …in March, June, September, and December …6 months after the end of each quarter of data collection NHIS ERFeatures

  6. Health insurance coverage Usual place to go for medical care Obtaining needed care Flu vaccination Pneumococcal vaccination Obesity Physical activities NHIS ERCurrently Covers 15 Measures

  7. NHIS ERCurrently Covers 15 Measures, Cont. • Current smoking • Alcohol consumption • HIV testing • General health status • Personal care need • Serious psychological distress • Diagnosed diabetes • Asthma episodes

  8. How Are The Results Presented in The NHIS ER?

  9. NHIS ERPresentation Trends • 1997-latest available quarter Current estimates • By age, sex, and race/ethnicity Percent and 95% CI Graphs, tables, and highlights Data tables for figures

  10. An Example:Prevalence ofCurrent Smoking

  11. 95% confidence interval Prevalence of Current Smoking Among Adults Percent 30 25 20 15 0 1997 1998 1999 2000 2001 2002 2003 (Jan.-June) SOURCE: CDC/NCHS, National Health Interview Survey, 1997-2003

  12. Prevalence of Current Smoking Among Adults by Age and Sex Total Male Female Percent 95% confidence interval 35 30 25 20 15 10 5 0 18-44 45-64 65 and over Age group (years) SOURCE: CDC/NCHS, National Health Interview Survey, 1997-2003

  13. Prevalence of Current Smoking Among Adults by Race/Ethnicity Percent 95% confidence interval 30 25 20 15 10 5 0 White Hispanic Black Not Hispanic NOTE: The percents are age- and sex-adjusted. SOURCE: CDC/NCHS, National Health Interview Survey, Jan.-June, 2003

  14. Flu Vaccination • Target groups • Optimal vaccination time • NHIS flu question: seasonality • Delay in the vaccine availability • 2000-01 season • 2001-02 season

  15. Flu Vaccination by Age Groupand Quarter Percent 80 65 years and over 60 50-64 years 40 20 18-49 years 0 1997 1998 1999 2000 2001 2002 2003 Year (quarter) SOURCE: CDC/NCHS, National Health Interview Survey, 1997-2003

  16. Obesity • Based on self-reported weight and height • Underestimated but consistent over time

  17. Prevalence of Obesity Among Adults Percent 95% confidence interval 30 25 20 15 10 5 0 1997 1998 1999 2000 2001 2002 2003 (Jan.-June) SOURCE: CDC/NCHS, National Health Interview Survey, 1997-2003

  18. 95% confidence interval Prevalence of Obesity Among Adultsby Race/Ethnicity Percent 50 Male Female 40 30 20 10 0 White Hispanic Black Not Hispanic NOTE: The percents are age-adjusted. SOURCE: CDC/NCHS, National Health Interview Survey, Jan.-June, 2003

  19. Health Insurance Coverage • One of the 15 measures in the main ER report • A special report on health insurance coverage: more details

  20. Lack of Insurance Coverage* Three Measures • At the time of interview • For at least part of the past year • For more than one year *Includes those having only IHS or single service plans

  21. Type of Coverage Private • Employer-based or directly purchased Public • Medicaid, Medicare • SCHIP • Other government programs • Military health plans

  22. Subgroup Estimates Trend • 1997-latest available quarter • By age and poverty status* Current estimates • By age, sex, and race/ethnicity • By region, education, employment status, and marital status* *In the special report

  23. Uninsured at the Time of Interview for Persons of All Ages Percent 95% confidence interval 20 15 10 5 0 1997 1998 1999 2000 2001 2002 2003 (Jan.-June) SOURCE: CDC/NCHS, National Health Interview Survey, 1997-2003

  24. Uninsured Among ChildrenUnder age 18 Percent At least part of past year At the time of interview For more than a year 1997 1998 1999 2000 2001 2002 2003 Jan.-June SOURCE: CDC/NCHS, National Health Interview Survey, 1997-2003

  25. Type of Coverage Among Near Poor Children Under Age 18 Percent Private Public Uninsured 1997 1998 1999 2000 2001 2002 2003 Jan.-June Jan.-June SOURCE: CDC/NCHS, National Health Interview Survey, 1997-2003

  26. Uninsured Among Adults Aged 18-64 Years Past year >1 year At interview Percent Employed Unemployed Not in workforce SOURCE: CDC/NCHS, National Health Interview Survey, Jan.-June, 2003

  27. Estimates of Uninsured: Three National Surveys NHIS: Health status and health care utilization CPS:Employment and State-specific data MEPS:Health care expenditure and utilization

  28. Estimates of Uninsured: Three National Surveys -Cont. Most recent estimates Release date Data source NHIS Jan.-June 2003Dec. 2003 CPSJan.-Dec. 2002Sept. 2003 MEPSJan.-June 2002Nov. 2003

  29. Where to Find the NHIS ER URL:www.cdc.gov/nchs/nhis.htm NCHS Web page:Information Showcase

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