Nearly three-quarters of leaders have witnessed presenteeism, where employees respond to pressure to be and seem busy at work despite feeling unwell, finds a survey. Seventy-one per cent of senior managers polled by recruitment firm, Robert Half, said they saw people come into work when they were ill. London was the worst affected area, with 83% of leaders witnessing instances in the past year. The north of England recorded the lowest levels, although 62% of respondents still reported instances of presenteeism in this region. Matt Weston, managing director of Robert Half...