[1] Univ Toronto, Factor Inwentash Fac Social Work, Toronto, ON, Canada
[2] Univ Toronto, Inst Life Course & Aging, Toronto, ON, Canada
[3] Univ Victoria, Dept Sociol, Victoria, BC, Canada
[4] Publ Hlth Agcy Canada, Ctr Surveillance & Appl Res, Appl Res Div, Ottawa, ON, Canada
[5] Univ Toronto, Temerty Fac Med, Dept Family & Community Med, Toronto, ON, Canada
[6] Univ Toronto, Bloomberg Fac Nursing, Toronto, ON, Canada
[7] Univ Toronto, Factor Inwentash Fac Social Work, 246 Bloor St West, Toronto, ON M5S 1V4, Canada