sampling was for the most part convenience based, relying on voluntary par- ticipation in surveys and consent-based participation in file reviews (Collings, Griffiths, & Kumalo, 2005; Priebe & Sve- din, 2008; Schembucher et al., 2012; Ungar, Barter, McConnell, Tutty, & Fairholm, 2009a). Therefore, generalizability of find-