To profile the sick leave landscape in the United States.The 2011 Leave Supplement of the American Time Use Survey.Bivariate and multivariate analyses to identify (i) employees without sick pay coverage and (ii) employees who attend work sick.Sixty-five percent of full-time employees have sick pay coverage. Coverage rates are below 20 percent for employees with hourly wages below $10, part-time employees, and employees in the hospitality and leisure industry.Each week, up to 3 million U.S. employees go to work sick. Females, low-income earners, and those aged 25 to 34 years have a significantly elevated risk of presenteeism behavior.