Master Medical Services Files

Master Medical Services files contain individual level files and household level files. 

Individual Medical Services Files

The CHNS Individual Medical Services Master File contains information regarding medical services for individuals including current health status, immunizations, and preventative care. As a longitudinal file, it contains multiple years of data for each individual.  An individual can have from 1 to 8 years of data as designated by the WAVE variable, which contains the survey year, 1989, 1991, 1993, 1997, 2000, 2004, 2006, or 2009. 

This file consolidates individual medical services data from 17 survey files:

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Household Medical Service Files

The CHNS Medical Services Master File contains information from the Health and Medical Services section of the Household Surveys. As a longitudinal file, it contains multiple years of data for each household.  A household can have from 1 to 7 years of data as designated by the WAVE variable, which contains the survey year, 1989, 1991, 1993, 1997, 2000, 2004, or 2006. 

This file consolidates Medical Services data from seven survey files:

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