Table 6.
Percent (standard error) of office visits by patients age 20 y or older with a physician's diagnosis of a sleep disorder, by sex, race, age group, and 4-y intervals, National Ambulatory Medical Care Survey 1999-2010

Percent (standard error) of office visits by patients age 20 y or older with a physician's diagnosis of a sleep disorder, by sex, race, age group, and 4-y intervals, National Ambulatory Medical Care Survey 1999-2010
