“…The primary caregiver was normally the mother, and only rarely was outcome data reported from fathers. Socioeconomic status (SES) of participants varied widely among studies: Four described participant families as low income (Gardner et al, 2006;Hutchings et al, 2007;Scott et al, 2001), and four as median income to low income or status (Leung & Tsang, 2012;Leung, Tsang, Heung, & Yiu, 2009;Ogden & Hagen, 2008;Sigmarsdóttir, Degarmo, Forgatch, & GuÞmundsdóttir, 2013). Two studies described families as middle to high status (Jalali, Shaeeri, Tahmasian, & Pourahmadi, 2009;Leung et al, 2003).…”