“…When considering associations between fathers’ work characteristics and father-child vocabulary, it may be important to also control for fathers’ role overload, or feeling overwhelmed by multiple commitments. Research has also linked high levels of perceived role overload with a host of negative individual and family-level factors for fathers, including depression, relationship conflict, and a negative family emotional climate (Costigan, Cox, & Cauce, 2003; Lee, Vernon-Feagans, Vazques, & Kolak, 2003; Perry-Jenkins et al, 2007; Wiersma & Van den Berg, 1991), and high levels of work pressure have been associated with feelings of overload for mothers and fathers (Crouter, Bumpus, Maguire, & McHale, 1999; Ransford, Crouter, & McHale, 2008). …”