The misconduct incidents in the dataset were voluntarily reported by crew members and included personal accounts. That would have skewed the data and obscured what we were trying to study,” Vieraitis said. “It’s taking a mental toll on flight attendants,” she said. “There have been a number of incidents where flight attendants have had teeth knocked out or have been knocked unconscious. There’s definitely a gender process at play here; a lot of people think that they can be more aggressive toward female flight attendants.”