Percentage of adults who stated smoking as a major cause of heart disease.

Response Unweighted Frequency Weighted Percentage Standard Error Lower 95% Confidence
Limit		 Upper 95% Confidence
Limit
Identified as major cause of heart disease 297 42.4 2.3 37.9 46.9
Was not identified as major cause of heart disease 403 57.6 2.3 53.1 62.1

Open ended response.
Numerator: Among respondents who identified smoking as a major cause of heart disease.
Denominator: Among all respondents, excluding unknowns and refusals.