 Independent voters made up 44 percent of the New Hampshire electorate and could choose to vote in either this primary or the Democratic Party's contest held on the same day, but voters could not vote in both.In the days leading up to the primary, John McCain appeared to gain a slight lead over Mitt Romney.Average support from polls were McCain, 31.8%; Romney, 28.2%; Huckabee, 12.2%; Giuliani, 9.3%; Paul, 8.2%; Thompson, 2.2%.