The statewide Suffolk University survey was conducted through live interviews of cellphone and landline users. All respondents indicated that they were registered voters in Massachusetts and planned to vote in the state Democratic primary in September 0000.  The survey of 000 voters was conducted Sept. 0 through Sept. 0. The margin of error is plus-minus 0.0 percentage points at a 00% level of confidence. Poll results are posted at this link.