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About this Poll
This is the third poll conducted by Critical Insights for the Portland Press Herald/Maine Sunday Telegram since June.
The Portland-based public opinion research firm conducted live telephone interviews of 613 randomly selected likely voters statewide Oct. 30 and 31. Voters were contacted both on land lines and cellphones.

The storm that hit the East Coast on Monday did not have a significant effect on the survey, according to Critical Insights. A small percentage of Maine households, about 2 percent, were without power at the time.

The poll has a margin of error of 4 percentage points for statewide results and 5.6 percentage points for the results in individual congressional districts.

Initial refusal rates were 6.2 percent statewide.
Results of the raw survey were weighted, or statistically adjusted, to match the demographic makeup of Maine's voting population. The sample was weighted according to age, gender, region of residence and political affiliation.