“…Interventions using different forms of media to deliver content [ 120 , 127 , 138 , 144 ] and supporting the use of interventions across devices (eg, ability to use intervention on a smartphone and computer) [ 132 , 144 ] made it easier for caregivers to use interventions. Tailored intervention content (eg, tailored to the care recipient’s stage of disease) [ 126 , 131 , 138 , 140 , 143 , 144 ], the provision of professional support [ 114 , 119 , 126 , 127 , 131 - 133 , 135 , 136 , 138 - 141 , 143 , 144 ], a positive tone for information that was presented [ 125 , 127 , 138 , 140 ], and contact with information from other caregivers [ 114 , 120 , 126 , 127 , 131 , 132 , 136 , 138 - 140 , 143 , 144 ] were important features to ensure interventions were relevant and met the needs of caregivers.…”