These days, a quick stop for coffee or a sandwich usually comes with a tip jar staring you in the face, asking for a little something extra before you leave.

Nerthuz, ThinkStock

These jars are the sole focus of a poll released Monday by Fairleigh Dickinson University's PublicMind.

"As wages have stagnated, and more people are finding work as hourly instead of salaried employees, tip jars are becoming much more common," said a press release accompanying the poll.

More than 800 New Jersey adults were surveyed at the end of February, and of them, 66 percent said they usually leave something behind in the counter tip jar. Twenty-two percent said they always provide a tip.

Among those who are feeling generous, the most common tip amount is around a dollar.

"It looks like lots of people are leaving something behind for the wait staff, but few are happy about doing so," said poll director Krista Jenkins.

Despite the tendency among New Jerseyans to help fill the jar, 65 percent of respondents said tip jars are inappropriate at these establishments.

Millennials are particularly opposed to this bold trend, with 81 percent wishing tip jars weren't so common.

One-third of all respondents said they'd rather pay slightly more for food and drink and know that a tip is included through higher wages, rather than leave a tip based on the quality of service.

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