Next time you open a bag of food from a delivery service and find your fries scattered at the bottom of the bag, the loose potatoes might not be a sign of bumps on the road. It could be an indication that your driver was actually rooting around in your bag.

According to a recent study conducted by US Foods, more than one in four delivery drivers admitted to taking a few nibbles for themselves. Of course, pulling off this feat would require an order of poke, onion rings or something that could be pilfered individually, as a mouth-sized chunk missing from a burger or a pizza with seven slices might lead to more alarm.

The data point was one of many in the study conducted by the food service giant. On the ordering side, only one in four consumers say they are willing to wait for an hour or more for delivery, and a majority (64 percent) say they have no problem ordering from a restaurant a mile or less from their destination.

The biggest complaints from drivers are as expected: weak tipping and orders not ready at restaurants upon arrival.

How did US Foods come up with their results. According to the site, the methodology was as follows: “From May 9-13, 2019, we surveyed 1,518 American adults who have used food delivery apps, including UberEats, Grubhub, DoorDash and Postmates. Respondents’ ages ranged from 18 - 77, with a median age of 31. Additionally, from May 9-11, 2019, we surveyed 497 American adults who identified as having worked as a deliverer for at least one food delivery app. Respondents’ ages ranged from 21-63, with a median age of 30.”

For complete results of the study, head to USFoods.com.