Editing Shift work (section)

==Epidemiology==
[[File:WHC Shift Work Image.png|alt=Adjusted Prevalence of Shift Work (Any Alternative Shift) by Industry|thumb|Worker Health Charts provides a distribution of shift work by industry from 2015 NHIS data.<ref>{{Cite web|url=https://wwwn.cdc.gov/Niosh-whc/chart/ohs-workorg?OU=WORKSCHD_RCD&T=I&V=R2|title=CDC – NIOSH Worker Health Charts|website=wwwn.cdc.gov|access-date=2019-04-08}}</ref>]]
According to data from the [[National Health Interview Survey#Research topics|National Health Interview Survey and the Occupational Health Supplement]], 27% of all U.S. workers in 2015 worked an alternative shift (not a regular day shift) and 7% frequently worked a night shift. Prevalence rates were higher for workers aged 18–29 compared to other ages. Those with an education level beyond high school  had a lower prevalence rate of alternative shifts compared to workers with less education. Among all occupations,  protective service occupations had the highest prevalence of working an alternative shift (54%).<ref>{{Cite web | url=https://wwwn.cdc.gov/Niosh-whc/chart/nhis-work |title = CDC – NIOSH Worker Health Charts| date=12 February 2024 }}</ref>

One of the ways in which working alternative shifts can impair health is through decreasing sleep opportunities.  Among all workers, those who usually worked the night shift had a much higher prevalence of short sleep duration (44.0%, representing approximately 2.2&nbsp;million night shift workers) than those who worked the day shift (28.8%, representing approximately 28.3&nbsp;million day shift workers). An especially high prevalence of short sleep duration was reported by night shift workers in the transportation and warehousing (69.7%) and health-care and social assistance (52.3%) industries.<ref name=mmwr>{{cite journal|author=Centers for Disease Control and Prevention|title=  Short sleep duration among workers—United States, 2010|journal= MMWR|volume=61|issue=16|pages=281–285|date=April 27, 2012|url= https://www.cdc.gov/mmwr/preview/mmwrhtml/mm6116a2.htm|pmid=22534760}}</ref>