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Health Interview Survey

Decent Essays

This is a longitudinal and cross-sectional study using the data from the National Health Interview Survey. The trend of migraine prevalence from 2010 to 2015 was assessed. Age and sex adjusted racial/ethnic prevalence of migraine was compared with different factors. Interactions between race/ethnicity and individual variables were also analyzed to determine the impacts of these factors specifically on race or ethnicity.

1. Data sources and subjects
The most recently released 2015 National Health Interview Survey (NHIS) was used in this study to analyze the racial differences in migraine prevalence among adults (age ≥ 18 years) in the United States. Data from 2010 to 2014 were also extracted to assess the annual trend of age and sex adjusted prevalence of migraine in the adult population. …show more content…

The survey collects data on a broad range of health topics from a nationally representative sample of the civilian non-institutionalized population residing in the United States. It is widely utilized for diverse purposes such as evaluating current health problems in the US population, monitoring the trend of diseases and disabilities, identifying disparities in health care and their causes, and tracking the progress towards national health objectives. [68]
Six dataset files were included in each of 2010-2015 NHIS data releases: Family, Household, Injury Episode, Person, Sample Adult, and Sample Child. Certain supplementary files were provided for specific year(s). For this study, the 2015 Sample Adult file was the main dataset, with a sample size of 33,672, which approximately represented the US adult population of 242,500,657 in 2015.

2. Sample design and data

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