Methodology Briefs, Papers, and Reports

Methodology Briefs 
Concisely address specific methodological issues encountered by CHIS data users 

• Weighting and Estimation of Variance in the CHIS Public Use Files (PDF 201k)
• Age-Adjusted Estimates Using California Health Interview Survey (PDF 155k)
• 2003 Response Rates (PDF 156k)
• 2003 Sample Weights (PDF 132k)
• 2001 Revised Sample Weights (PDF 83k)

Methodology Papers
Products of research projects examining CHIS data quality and innovations​​

• Examining Trends and Averages Using Combined Cross-Sectional Survey Data from Multiple Years (PDF 380k)
• 2001 Sample Response Rate and Representativeness (PDF 246k)

Methodology Reports​
Provide in-depth descriptions of our sampling, data collection, data processing, response rates, weighting and variance estimation methods

CHIS 2009 Methodology Reports

• Report 1 - 2009 Sample Design (PDF 316k)
• Report 2 - 2009 Data Collection Methods (PDF 543k)
• Report 3 - 2009 Data Processing Procedures (PDF 222k)
• Report 4 - 2009 Response Rates (PDF 389k)
• Report 5 - 2009 Weighting and Variance Estimation (PDF 638k)

CHIS 2007 Methodology Reports

• Report 1 - 2007 Sample Design (PDF 342k)
• Report 2 - 2007 Data Collection Methods (PDF 444k)
• Report 3 - 2007 Data Processing Procedures (PDF 238k)
• Report 4 - 2007 Response Rates (PDF 378k)
• Report 5 - 2007 Weighting and Variance Estimation (PDF 798k)

CHIS 2005 Methodology Reports

• Report 1 - 2005 Sample Design (PDF 280k)
• Report 2 - 2005 Data Collection Methods (PDF 411k)
• Report 3 - 2005 Data Processing Procedures (PDF 330k)
• Report 4 - 2005 Response Rates (PDF 327k)
• Report 5 - 2005 Weighting and Variance Estimation (PDF 753k)

CHIS 2003 Methodology Reports

• Report 1 - 2003 Sample Design (PDF 223k)
• Report 2 - 2003 Data Collection Methods (PDF 1.2MB)
• Report 3 - 2003 Data Processing Procedures (PDF 386k)
• Report 4 - 2003 Response Rates (PDF 801k)
• Report 5 - 2003 Weighting and Variance Estimation (PDF 716k)

CHIS 2001 Methodology Reports

• Report 1 - 2001 Sample Design (PDF 184k)
• Report 2 - 2001 Data Collection Methods (PDF 511k)
• Report 3 - 2001 Data Processing Procedures (PDF 523k)
• Report 4 - 2001 Response Rates (PDF 196k)
• Report 5 - 2001 Weighting and Variance Estimation (PDF 592k)
• Report 5 (supplement) - 2001 Revised Weights (PDF 280k)