Sedentary behavior graphs (IMAGE) University of California - San Diego Caption Women who sat for 11.7 hours a day had a 30 percent higher risk of mortality than those who for 8.1 hours a day. Credit UC San Diego Health Sciences Usage Restrictions Use photo credit License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.