The sampling error for the poll was plus or minus 3 percentage points.

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The sampling error for questions posed to Catholics was plus or minus 6 percentage points.

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The sampling error for questions posed to non-Catholics was plus or minus 4 percentage points.

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The sampling error for Wednesday's results is plus or minus 4.5 percentage points.

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The survey's sampling error is plus or minus 3 percentage points for the overall sample.

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The poll's sampling error is plus-or-minus 5 percentage points for the Republican respondents, 4.5 percentage points for the Democratic respondents, and 8 percentage points for the African-American Democrat respondents.

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Results for the full sample have a margin of sampling error of plus or minus 3.9 percentage points, it is larger for subgroups.

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The survey's overall sampling error is plus or minus 3 percentage points and plus or minus 6 percentage points for the African-Americans sample.

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The poll's sampling error is plus or minus 4.5 percentage points for Republicans and 4 percentage points for Democrats.

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