If you're about to warn your teenager about the dangers of texting or talking on the phone while driving, a new report suggests you look in the mirror first.

A study released Friday by The Pew Research Center's Internet & American Life Project says adults and teenagers are equally likely to have texted while driving. And adults are more likely to have chatted on their phones while driving.

The study found that 47 percent of adults who text reported sending or reading texts while behind the wheel. In a 2009 Pew study, a lower number — 34 percent — of 16- and 17-year-olds who send texts said that they did that while driving.

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Mary Madden, a senior research specialist for Pew and the study's lead author, said that while many educational efforts that emphasize the dangers of distracted driving have targeted teens, the findings show a need to educate adults, too.

"I think all of us can identify with that temptation to stay connected during those idle moments in the car. ... The reality is, even if the car isn't moving, a delayed response to a green light or at a stop sign can still result in an accident," she said.

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