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The Early Release Program of the National Health Interview Survey. NCHS Data Users Conference July 10, 2006, Washington, D.C. Jeannine Schiller, M.P.H., Jane F. Gentleman, Ph.D., Eve Powell-Griner, Ph.D. National Center for Health Statistics Centers for Disease Control and Prevention.

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The early release program of the national health interview survey

The Early Release Program of the National Health Interview Survey

NCHS Data Users Conference

July 10, 2006, Washington, D.C.

Jeannine Schiller, M.P.H., Jane F. Gentleman, Ph.D., Eve Powell-Griner, Ph.D.

National Center for Health Statistics

Centers for Disease Control and Prevention


Nhis overview
NHIS overview Survey

  • In-person household interview survey of civilian noninstitutionalized U.S. population

  • Approx. 40,000 households, 100,000 persons, 37,000 sample adults, 15,000 sample children

  • Complex sample design

  • Over-samples blacks, Hispanics, Asians, elderly minorities

  • Demographics, socioeconomic status, limitations, health care utilization, chronic conditions, health behaviors, supplements, etc.


Nhis early release er program

2 reports: main and detailed health insurance Survey

Releases updated ESTIMATES every 3 months

Releases occur 6 months after the end of each quarter of data collection (March, June, September, December)

Internet only release

First release: April 2001

NHIS Early Release (ER) Program


Nhis er program

Objectives Survey

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 ER Program


Main report

Current smoking Survey

Alcohol consumption

HIV testing

General health status

Personal care needs

Serious psychological distress

Diabetes

Asthma

Main report

Indicators

  • Health insurance coverage

  • Usual place to go for medical care

  • Obtaining needed medical care

  • Influenza vaccination

  • Pneumococcal vaccination

  • Obesity

  • Leisure-time physical activity


Main report Survey

Format

  • Graph of trend since 1997

  • Graph of current estimates by age group and gender

  • Graph of current estimates by race/ethnicity

  • Data tables for all graphs

  • Extra graph and/or tables as needed

  • Text highlights


Detailed health insurance report
Detailed health insurance report Survey

  • 3 measures of uninsurance

  • Additional estimates of public health plan and private health insurance coverage

  • Uninsurance presented by additional sociodemographic measures

  • Annual state-level estimates for large states


Example 1 influenza vaccination
Example #1: SurveyInfluenza vaccination

Questions:

  • “During the past 12 months, have you had a flu shot?”

  • “During the past 12 months, have you had a flu vaccine sprayed in your nose by a doctor or other health professional?”


Figure 4.1. Percentage of adults aged 18 years and over who had received an influenza vaccination during the past 12 months, by age group and quarter: United States, 1997–2005


Table 4.1. Annual percentage of adults aged 50 years and over who had received an influenza vaccination during the past 12 months, by age group and sex: United States, 1997–2005


Figure 4.2. Percentage of persons who had received an influenza

vaccination during the past 12 months, by age group and sex:

United States, 2005


Figure 4.3. Percentage of adults aged 65 years and over who had

received an influenza vaccination during the past 12 months, by

race/ethnicity: United States, 2005


Data table for figure 4.1. Percent of adults aged 18 years and over who received influenza vaccine during the past 12 months, by age group and quarter: United States, 1997–2005


Data table for figure 4.2. Percent of adults aged 18 years and over

who received influenza vaccine during the past 12 months, by age

group and sex: United States, 2005


Data table for figure 4.3. Percent of adults aged 65 years and over who received influenza vaccine during the past 12 months, by race/ethnicity: United States, 2005


Example 2 current smoking
Example #2: and over who received influenza vaccine during the past 12 months, by race/ethnicity: United States, 2005Current smoking

Questions:

  • “Have you smoked at least 100 cigarettes in your entire life?”

  • “Do you now smoke cigarettes every day, some days or not at all?”


Figure 8.1. Prevalence of current smoking among adults aged 18 years and over: United States, 1997–2005


Figure 8.2. Percent distribution of smoking status among adults aged 18 years and over, by sex: United States, January–March 2005


Figure 8.3. Prevalence of current smoking among adults aged 18 years and over, by age group and sex: United States, January–March 2005


Figure 8.4. Age-sex-adjusted prevalence of current smoking among adults aged 18 years and over, by race/ethnicity: United States, January–March 2005


Nhis er processing
NHIS ER processing among adults aged 18 years and over, by race/ethnicity: United States, January–March 2005

  • Expedited microdata editing

    • standard edits

    • preliminary weights

  • Data analysis

    • crude and adjusted estimates with estimates of variance

    • checking and verification

    • automated updating of figures and tables


Nhis er processing cont
NHIS ER processing, cont. among adults aged 18 years and over, by race/ethnicity: United States, January–March 2005

  • Interpretation

    • significance testing

      • contrasts

      • trend analysis

    • updating of text highlights

  • Report dissemination

    • efficient editorial review and Internet release

    • press releases/media alerts


Where to find the er
Where to find the ER among adults aged 18 years and over, by race/ethnicity: United States, January–March 2005

NCHS Web site:

http://www.cdc.gov/nchs

Information Showcase

NHIS Web site:

http://www.cdc.gov/nchs/nhis.htm

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