[1] Univ Hlth & Allied Sci, Fred N Binka Sch Publ Hlth, Hohoe, Ghana
[2] Kwame Nkrumah Univ Sci & Technol, Sch Publ Hlth, Dept Hlth Promot Educ & Disabil Studies, Kumasi, Ghana
[3] Kwame Nkrumah Univ Sci & Technol, Sch Publ Hlth, Dept Hlth Policy Management & Econ, Kumasi, Ghana
[4] UNSW Sydney, Ctr Social Res Hlth, Sydney, NSW 2052, Australia
[5] McGill Univ, Fac Med, Dept Family Med, Montreal, PQ, Canada
[6] Univ Ghana, Sch Publ Hlth, Dept Social & Behav Sci, Accra, Ghana