Pain-Related Lost Productive Time
"A total of 52.7% of the workforce reported having headache, back pain, arthritis, or other musculoskeletal pain in the past 2 weeks. Overall, 12.7% of the workforce lost productive time in a 2-week period due to a common pain condition; 7.2% lost 2 h/wk or more of work. Headache was the most common pain condition resulting in lost productive time, affecting 5.4% (2.7% with >= 2/wk) of the workforce (Table 1), which was followed by back pain (3.2%), arthritis (2.0%), and other musculoskeletal pain (2.0%)."
Stewart, Walter F., PhD, MPH, Judith A. Ricci, ScD, MS, Elsbeth Chee, ScD, David Morganstein, MS, Richard Lipton, MD, "Lost Productive Time and Cost Due to Common Pain Conditions in the US Workforce," Journal of the American Medical Association (Chicago, IL: American Medical Association, Nov. 12, 2003), Vol. 290, No. 18, p. 2446.