48-42 doesn't seem slight to me, however, the poll was conducted with landline users. Cellphone users werent contacted.
Poll: McCain has slight lead in Ohio over Obama
By THE ASSOCIATED PRESS
Published: September 21, 2008
Filed at 10:47 a.m. ET
THE POLL: The Ohio Newspaper Poll, presidential race, likely Ohio voters (20 electoral votes).
THE NUMBERS: John McCain 48 percent, Barack Obama 42 percent.
OF INTEREST: Almost half of Ohio voters, or 47 percent, say they are worse off than four years ago. About one-third, 34 percent, said they were the same, while 19 percent said they were better off. The candidates have lined up support within their own party, with 85 percent of Republicans saying they would vote for McCain and 81 percent of Democrats in favor of Obama. Obama has the edge among independent voters, 38 percent to 33 percent for McCain, with 19 percent still undecided.
DETAILS: Conducted from Sept. 12-16 by landline telephones among 869 likely Ohio voters. Sampling error plus or minus 3.3 percent.
MORE:
http://blog.cleveland.com/openers/2008/09/ONOpoll.pdfhttp://www.nytimes.com/aponline/washington/AP-Poll-2008-Ohio.html