From the 1Departments of Psychiatry and 2Preventive Medicine, Rush Medical College, Chicago, IL; 3Schools of Medicine and Public Health, University of California, Los Angeles, CA; and the 4Graduate School of Public Health and 5Department of Psychiatry, University of Pittsburgh, Pittsburgh, PA.
Received December 26, 2001; revised and accepted July 10, 2002.
The Study of Women's Health Across the Nation (SWAN) was funded by grants from the National Institute on Aging and the National Institute of Nursing Research of the National Institutes of Health to the following participating centers: University of Michigan, Ann Arbor, MI (U01 NR04061; U01 AG12495); Massachusetts General Hospital, Boston, MA (U01 AG12531); Rush University, Rush-Presbyterian-St. Luke's Medical Center, Chicago, IL (U01 AG12505); University of California, Davis, CA (U01 AG12554); University of California, Los Angeles, CA (U01 A12539); University of Medicine and Dentistry of New Jersey-New Jersey Medical School, Newark, NJ (U01 AG12535); University of Pittsburgh, Pittsburgh, PA (U01 AG12546); New England Research Institutes, Watertown, MA (U01 AG12553).
Address correspondence to Howard M. Kravitz, DO, MPH, Rush Institute for Mental Well-Being, 1725 West Harrison Street, Suite 955, Chicago, IL 60612, USA. E-mail: [email protected]
*This paper was presented in part at the 12th Annual Meeting of the Associated Professional Sleep Societies, New Orleans, LA, June 23, 1998, and published in abstract form as Kravitz HM, Ganz PA, Sherman S, Sutton-Tyrrell K, Bromberger JT, Powell LH. Sleep difficulty during the menopausal transition [Abstract 589.H]. Sleep 1998; 21(Suppl):299.
