[1] Appalachian State Univ, Dept Sociol, ASU Box 32115,209 Chapell Wilson Hall, Boone, NC 28608 USA
[2] Visiting Nurse Serv New York, Ctr Home Care Policy Ee Res, New York, NY USA
[3] Univ Manchester, Div Nursing Midwifery & Social Work, Sch Hlth Sci, Manchester, Lancs, England
[4] Columbia Univ, Sch Nursing, New York, NY USA
[5] Visiting Nurse Assoc Hlth Grp, Holmdel, NJ USA