One in 10 women blame workplace banter for causing mental health issues and are twice as likely as men to have been negatively affected by workplace banter, according to a new report by The Institute of Leadership & Management. Banter: Just a bit of fun or crossing the line? found that more women (twice as many at 20 percent) were made to feel less confident than their male colleagues due to the negative banter they experienced and 10 percent of women said banter has had a negative impact on their mental health, compared to just three percent of men.