In the Research Letter entitled “Association of the New York State Marriage Equality Act With Changes in Health Insurance Coverage” published in the August 18, 2015, issue of JAMA,1 the covariate “education” was left out of the Methods section and in the Table (footnote d). This article was corrected online.
Addition of Missing Covariate. JAMA. 2016;315(4):419. doi:10.1001/jama.2015.16287