Health Insurance Portability and Accountability Act of 1996

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Abstract
To assess the likely effects of the 1996 Health Insurance Portability and Accessibility Act (HIPAA), based on small firms' experiences under state small group insurance reforms that were similar in design to HIPAA. Data on 17,818 small businesses (range, 2-50 employees) nationwide from the 1994 National Employer Health Insurance Survey were analyzed to examine the effects of state small group reforms on the following: (1) employers' provision of coverage; (2) the percentage of workers in insured firms who were covered by plans; and (3) insurer practices of "enrollee exclusion." Logistic regression models were estimated and used to quantify the marginal effects of state small-group reform. Reform effects were examined for all small firms, for small firms by size category, and for small firms in redlined industries. Under full reform for at least 3 years (full reform includes guaranteed issue and renewal, portability, limits on pre-existing condition waits, and rating restrictions), employers were slightly more likely to sponsor health plans; however, employee participation in employer plans was no higher and the prevalence of enrollee-exclusion provisions was unchanged. Businesses in redlined industries clearly benefitted from all types of small group reform. For other subgroups of businesses, however, there were advantages and disadvantages associated with reforms, which varied with the scope of the measures and time since their implementation. Widespread small group reform may eventually help raise the proportion of small firms that sponsor health benefits, but not by much.