We already know many people are addicted to their smartphones, but a study released Thursday gives a clearer idea of just how much users can get attached to their device.

Nearly three in four American smartphone users surveyed said they are within five feet of their devices the majority of the time, according to the 2013 Mobile Consumer Habits study conducted by Harris Interactive for Jumio, a mobile verification and payments company.

More than a third said they use their device at movie theaters and 12% said they even use it while in the shower.

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But perhaps most unusual is the fact that almost 1 in 10 users, or 9% of respondents, said they have even used their smartphone during sex.

“So it should be no surprise that 12% believe their smartphone gets in the way of their relationships,” the press release for the study said.

The number of adults using their smartphones during sex rises to one in five when looking only at the 18 to 34 age group.

“People view their smartphones as an extension of themselves, taking them everywhere they go – even the most unorthodox places -- from the shower to their commute, from the dinner table to the bedroom,” said Marc Barach, chief marketing and strategy officer at Jumio, in a statement.


And for all those wondering, the study does not mention how exactly they are using their devices during sex.

Other unusual places where people are using their smartphones include during a dinner date (33%), during a child’s school function (32%), at a church or place of worship (19%), and, perhaps most alarming, while driving (55%).

The study was conducted last month by Harris Interactive, which surveyed 1,102 smartphone users.

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