National Immunization Survey Guide to Quality Control Procedures

By Department of Health and Human Services

Book Id: WPLBN0000118302
Format Type: PDF eBook:
File Size: 2.48 MB
Reproduction Date: 2005

Title:	National Immunization Survey Guide to Quality Control Procedures
Author:	Department of Health and Human Services
Volume:
Language:	English
Subject:	Health., Medical research, Medical reports
Collections:	Medical Library Collection
Historic Publication Date:
Publisher:	Centers for Disease Control and Prevention


Citation APA MLA Chicago Of Health And Human Services, B. D. (n.d.). National Immunization Survey Guide to Quality Control Procedures. Retrieved from http://www.gutenberg.cc/

Excerpt
A survey ensures the validity of its data and the accuracy of the resulting estimates by careful attention to quality at each step, from the design of the sample and development of the instruments through sample preparation and data collection to the cleaning and editing of the data and the calculation of sampling weights and estimates. To accomplish the goals of the Centers for Disease Control and Prevention (CDC) in surveillance of childhood immunization in the United States, in each state, and in 28 urban areas, the National Immunization Survey (NIS) incorporates procedures throughout its operation, aimed at promoting and maintaining quality. The present guide describes those procedures and, in many instances, illustrates their application. It pertains to data collection for 1994 through 2000, though some procedures are the result of ongoing development and have not been in place for the entire period. Its organization largely follows the stages of the survey itself. The details of the National Immunization Survey are discussed further in the User’s Guide for the Public-Use Data File (one for each year for which a public-use file has been released) and in the Annual NIS Methodology Reports (some of which are internal CDC documents).

Table of Contents
Table of Contents Glossary of Terms and Acronyms .............................................................................................. 4 1. Overview............................................................................................................................. 5 2. Introduction ........................................................................................................................ 7 2.1 Background ................................................................................................................. 7 2.2 Sample Design and Data Collection Methodologies .................................................. 8 2.3 Informed Consent, Confidentiality, and Security..................................................... 10 3. Quality Control Procedures............................................................................................. 17 3.1 The Quality Perspective in the NIS .......................................................................... 17 3.2 Organization of NIS Quality Management Oversight .............................................. 19 3.3 Quality Control Standards Affecting the NIS........................................................... 19 3.4 Internal Assessment of Quality................................................................................. 21 3.5 External Assessments of Quality.............................................................................. 21 3.6 Review Process ......................................................................................................... 22 4. Collection of Household Data .......................................................................................... 24 4.1 Sample Preparation................................................................................................... 24 4.2 Household Questionnaire.......................................................................................... 25 4.3 Advance Letters ........................................................................................................ 26 4.4 Sample Management ................................................................................................ 27 4.5 Interviewer-Related Activities .................................................................................. 28 5. Provider Record Check Study......................................................................................... 35 5.1 Instrument ................................................................................................................. 35 5.2 Household-Reported Provider Data.......................................................................... 35 5.3 Collection of Provider Data ...................................................................................... 35 5.4 Data Preparation ....................................................................................................... 37 5.5 Data Entry................................................................................................................. 38 5.6 Summary................................................................................................................... 39 6. Preparation of Data Files................................................................................................. 40 6.1 Household Data File ................................................................................................. 40 6.2 Initial Processing of Provider Data File ................................................................... 42 6.3 Combining the Household and Provider Data .......................................................... 42 7. Weighting and Variance Estimation............................................................................... 48 7.1 Imputation for Missing Information......................................................