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Public Response to Obamacare on Twitter.

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Twitter sentiment analysis offers a comparable measure of public opinion on the Affordable Care Act (ACA) to traditional polls. This method also captures public interest spikes during key ACA events.

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Area of Science:

  • Public Health
  • Health Policy
  • Computational Social Science

Background:

  • The Affordable Care Act (ACA), enacted in 2010, has faced significant public controversy.
  • Public opinion polls have consistently indicated negative sentiment towards the ACA.

Purpose of the Study:

  • To assess the utility of Twitter data for measuring public opinion trends regarding the ACA over time.
  • To compare Twitter-based sentiment analysis with established polling methods for health care reform.

Main Methods:

  • Collected a large-scale sample of over 52 million tweets related to the ACA from July 2011 to July 2015.
  • Utilized text sentiment analysis on ACA-related tweets to quantify public positivity and negativity.
  • Compared Twitter sentiment trends with data from the Kaiser Family Foundation health tracking poll.

Main Results:

  • Twitter sentiment analysis showed slightly more favorable public opinion (approx. 50%) compared to the Kaiser poll (approx. 40%).
  • Both Twitter and poll data exhibited similar trends in favorable and unfavorable public opinion over time (correlations of .43 and .37).
  • Significant increases in tweet volume correlated with major ACA events, such as open enrollment periods and court decisions.

Conclusions:

  • Twitter data serves as a viable tool for tracking public opinion on health care reform, aligning with conventional polling.
  • The volume of tweets provides an additional metric for gauging public engagement and interest in specific health policy issues.
  • Social media sentiment analysis offers a dynamic complement to traditional survey methods in public health research.