How the poll was conducted

Topics: From the Wires,

The Associated Press-NORC Center for Public Affairs Research Poll on obesity and diabetes was conducted from Nov. 21 to Dec. 14 by NORC at the University of Chicago. It is based on landline and cellular telephone interviews with a nationally representative random sample of 1,011 adults. Interviews included 599 respondents on landline telephones and 412 on cellular phones. No interviews were conducted on Nov. 22.

Digits in the phone numbers dialed were generated randomly to reach households with unlisted and listed landline and cellphone numbers.

Interviews were conducted in both English and Spanish.

As is done routinely in surveys, results were weighted, or adjusted, to ensure that responses accurately reflect the population’s makeup by factors such as age, sex, education and race. In addition, the weighting took into account patterns of phone use — landline only, cellphone only and both — by region.

No more than 1 time in 20 should chance variations in the sample cause the results to vary by more than plus or minus 4.2 percentage points from the answers that would be obtained if all adults in the U.S. were polled.

There are other sources of potential error in polls, including the wording and order of questions.

The questions and results are available at http://www.apnorc.org .

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What To Read Awards: Top 10 Books of 2012 slide show

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  • 10. "The Guardians" by Sarah Manguso: "Though Sarah Manguso’s 'The Guardians' is specifically about losing a dear friend to suicide, she pries open her intelligent heart to describe our strange, sad modern lives. I think about the small resonating moments of Manguso’s narrative every day." -- M. Rebekah Otto, The Rumpus

  • 9. "Beautiful Ruins" by Jess Walter: "'Beautiful Ruins' leads my list because it's set on the coast of Italy in 1962 and Richard Burton makes an entirely convincing cameo appearance. What more could you want?" -- Maureen Corrigan, NPR's "Fresh Air"

  • 8. "Arcadia" by Lauren Groff: "'Arcadia' captures our painful nostalgia for an idyllic past we never really had." -- Ron Charles, Washington Post

  • 7. "Gone Girl" by Gillian Flynn: "When a young wife disappears on the morning of her fifth wedding anniversary, her husband becomes the automatic suspect in this compulsively readable thriller, which is as rich with sardonic humor and social satire as it is unexpected plot twists." -- Marjorie Kehe, Christian Science Monitor

  • 6. "How Should a Person Be" by Sheila Heti: "There was a reason this book was so talked about, and it’s because Heti has tapped into something great." -- Jason Diamond, Vol. 1 Brooklyn

  • 4. TIE "NW" by Zadie Smith and "Far From the Tree" by Andrew Solomon: "Zadie Smith’s 'NW' is going to enter the canon for the sheer audacity of the book’s project." -- Roxane Gay, New York Times "'Far From the Tree' by Andrew Solomon is, to my mind, a life-changing book, one that's capable of overturning long-standing ideas of identity, family and love." -- Laura Miller, Salon

  • 3. "Billy Lynn's Long Halftime Walk" by Ben Fountain: "'Billy Lynn's Long Halftime Walk' says a lot about where we are today," says Marjorie Kehe of the Christian Science Monitor. "Pretty much the whole point of that novel," adds Time's Lev Grossman.

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