(CNN) - Race and gender may have played a role in the Democratic primary results, the exit polls show.
Twenty percent of Pennsylvania Democrats said the race of a candidate played an important role in determining their vote. Clinton won those voters by nearly 20 percentage points, 59 percent to 41 percent.
Twenty percent of voters in neighboring Ohio, which voted last month, also said race helped decide their vote – and went for Clinton by 20 percentage points, 59-39.
Twenty-one percent of Pennsylvania primary voters said the gender of a candidate was an important factor in how they voted. Clinton overwhelmingly won among those voters, 71 percent to 29 percent.