Study: RI casino more dependent on Mass. gamblers (AP) March 18, 2013 at 6:49 am PROVIDENCE, R.I. (AP) – A University of Massachusetts study says Rhode Island’s Twin River casino is becoming more dependent on Massachusetts gamblers who also are shifting business from Connecticut’s two Indian-run casinos. UMass-Dartmouth Center for Policy Analysis says in a study released Monday that 580,000 New Englanders visited Twin River in 2012. Of those, 385,000 were from Massachusetts. Rhode Islanders accounted for 162,000 visitors. Massachusetts residents account for two-thirds of the decline in the number of visitors to Foxwoods from 2008 to 2012 and 28 percent of the decline in visitors at Mohegan Sun. From 2008 to 2012, the number of visitors to Twin River from Massachusetts increased by 149,519 and the number of visitors from the other New England states combined declined by 38,058. Gambling in all forms in Rhode Island is the third-largest source of state revenue. Copyright 2013 The Associated Press.