Abstract #301645

This is the preliminary program for the 2003 Joint Statistical Meetings in San Francisco, California. Currently included in this program is the "technical" program, schedule of invited, topic contributed, regular contributed and poster sessions; Continuing Education courses (August 2-5, 2003); and Committee and Business Meetings. This on-line program will be updated frequently to reflect the most current revisions.

To View the Program:
You may choose to view all activities of the program or just parts of it at any one time. All activities are arranged by date and time.

The views expressed here are those of the individual authors
and not necessarily those of the ASA or its board, officers, or staff.

Back to main JSM 2003 Program page
JSM 2003 Abstract #301645
Activity Number: 342
Type: Contributed
Date/Time: Wednesday, August 6, 2003 : 9:00 AM to 10:50 AM
Sponsor: Section on Survey Research Methods
Abstract - #301645
Title: Practical Issues in Variance Estimation and Publication Criteria for NHANES Data
Author(s): Lester R. Curtin*+
Companies: Centers for Disease Control and Prevention
Address: NCHS/CDC/DHES/OD, Upper Marlboro, MD, 20772-6643,
Keywords: analytic guidelines ; jackknife ; degrees of freedom ; confidentiality
Abstract:

This presentation summarizes current NCHS/CDC recommendations in regard to estimation of sampling errors and publication criteria for the current data release of the National Health and Nutrition Examination Survey (NHANES 1999-2000). Because the sample size (9,284 respondents to the Medical Examination) and the number of Primary Sample Units (26 PSU's in the two-year period) are both small, a number of statistical concerns must be addressed. Due to confidentiality concerns, no PSU information can be given on a public use microdata file. A jackknife technique based on 52 replicates is used to estimate sampling errors. This presentation examines the potential need for a correction factor for the jackknife, provides recommendations for estimating the degrees of freedom for the sampling errors, and explores possible ways to use software for survey data analysis that cannot use the jackknife technique (for example, STATA). The issue of degrees of freedom and stability of the estimates of sampling error also impacts previously used publication criteria. Recommendations for a more general approach to publication criteria are presented.

  • The address information is for the authors that have a + after their name.
  • Authors who are presenting talks have a * after their name.

Back to the full JSM 2003 program

JSM 2003 For information, contact meetings@amstat.org or phone (703) 684-1221. If you have questions about the Continuing Education program, please contact the Education Department.
Revised March 2003