“…In most prior work, caregiving has been defined without reference to caregiver behaviorâfor example, as witnessing a loved oneâs illness (Cacioppo et al, 1998) or hospitalization of the spouse (Christakis & Allison, 2006). This limitation has been present specifically in research on the relationship between caregiver and care recipient as a moderator of wellbeing outcomes (e.g., Reid et al, 2005; Uchino, Kiecolt-Glaser, & Cacioppo, 1994; Williamson & Schulz, 1990; Williamson et al, 1998). Moreover, research that has specifically assessed time spent caregivingâas distinct from being a caregiverâ has typically not distinguished between (possibly beneficial) active helping and time spent on call (e.g., Amirkhanyan & Wolf, 2003; Arai & Ueda, 2003; S.…”