“…Nature of the interventions Four reviews, all rated as moderate quality, reported on information and support interventions (Chien et al, 2011;Parker et al, 2008;Pinquart and Sorensen, 2006;Thompson et al, 2007). Three reviews (Chien et al, 2011;Parker et al, 2008;Pinquart and Sorensen, 2006) examined support only interventions.…”