1. 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

2. Background Background 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

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

4. NHIS Early Release (ER) Program NHIS Early Release (ER) Program 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

5. NHIS ER Features NHIS ER Features 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

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

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

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

10. NHIS ER Presentation 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

11. An Example: Prevalence of Current Smoking

12. Prevalence of Current Smoking Among Adults SOURCE: CDC/NCHS, National Health Interview Survey, 1997-2003 Percent 95% confidence interval 0 15 20 25 30 1997199819992000200120022003 (Jan.-June)

13. Prevalence of Current Smoking Among Adults by Age and Sex Among Adults by Age and Sex Percent 18-4445-6465 and over Age group (years) MaleFemale Total 95% confidence interval 0 5 10 15 20 25 30 35 SOURCE: CDC/NCHS, National Health Interview Survey, 1997-2003

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

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

16. 65 years and over 50-64 years 18-49 years Year (quarter) 1997199820001999200120022003 0 20 40 60 80 Flu Vaccination by Age Group and Quarter SOURCE: CDC/NCHS, National Health Interview Survey, 1997-2003 Percent

17. ObesityObesity Based on self-reported weight and height Underestimated but consistent over time

18. Percent 95% confidence interval 0 5 10 15 20 25 30 1997199819992000200120022003 (Jan.-June) Prevalence of Obesity Among Adults SOURCE: CDC/NCHS, National Health Interview Survey, 1997-2003

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

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

21. 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

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

23. 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

24. 0 5 10 15 20 1997199819992000200120022003 (Jan.-June) 95% confidence interval Percent Uninsured at the Time of Interview for Persons of All Ages SOURCE: CDC/NCHS, National Health Interview Survey, 1997-2003

25. Jan.-June Uninsured Among Children Under age 18 Percent 1997199920012003 At the time of interview At least part of past year For more than a year SOURCE: CDC/NCHS, National Health Interview Survey, 1997-2003 199820002002

26. Jan.-June Percent 1997199920012003 Uninsured Private Public SOURCE: CDC/NCHS, National Health Interview Survey, 1997-2003 199820002002 Type of Coverage Among Near Poor Children Under Age 18 Jan.-June

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

28. 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

29. Estimates of Uninsured: Three National Surveys -Cont. NHISJan.-June 2003Dec. 2003 CPS Jan.-Dec. 2002Sept. 2003 MEPS Jan.-June 2002 Nov. 2003 Data source Most recent estimates Release date

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