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Intervention | Technology | Custom or off-the-shelf | Devices | Technology ownership/experience | Training or support |
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Ballantyne et al. [30] | Social network (About my age) | Off-the-shelf | Computer | Nonproficiency required | Initial training sessions |
Blažun et al. [32] | E-mail, Internet, and Skype | Off-the-shelf | Computer | Nonproficiency required | Initial training sessions |
Cattan et al. [43] | Phone calls | Off-the-shelf | Telephone | N/A | N/A |
Cotten et al. [34] | E-mail, Internet, and Facebook | Off-the-shelf | Computer | Did not report | Initial training sessions |
Dodge et al. [44] | Video chat | Custom | Touch-screen computer | No previous use of PC (15%) | Visits for setup; no training |
Fokkema and Knipscheer [31] | E-mail and Internet | Off-the-shelf | Computer | Nonproficiency required | Initial training sessions |
Garattini et al. [45] | Virtual room, calls, messages, and broadcasts | Custom | Touch-screen computer with phone handset | No computer ownership (68%) | Visits for training and support |
Larsson et al. [39] | E-mail, Internet, Facebook, and Skype | Off-the-shelf | Computer | Computer ownership and nonproficiency required | Visits for training and support; remote training |
Machesney et al. [40] | Virtual companion (pet avatar) | Custom | Tablet | Did not report | Continuous visits; remote support |
Széman et al. [41] | E-mail, Internet, Facebook, and Skype | Off-the-shelf | Computer | Nonproficiency required | Initial training sessions |
White et al. [42] | E-mail and Internet | Off-the-shelf | Computer | Owned a PC (9%); no previous experience (60%) | Continuous visits; remote support |
Baez et al. [46] | Virtual classroom, messages, and predefined messages | Custom | Tablet | Did not report | Initial training; remote support |
Czaja et al. [35] | E-mail, Internet, virtual classroom, and messages | Custom | Computer | Participants had minimal computer or Internet use experience | Initial training; check visits; remote support |
Banbury et al. [47] | Skype | Off-the-shelf | Tablet | Most had no previous video conference experience | Visit for setup |
Barbosa et al. [48] | Messages (video, photos, audio, and predefined) | Custom | Tablet | Moderate (5), basic (3), or no experience (4) | Initial training; weekly visits for support |
Chiu and Wu [33] | Line (messaging service) and YouTube | Off-the-shelf | Tablet | No computer learning experience (82%) | Training sessions (long period) |
Gutierrez et al. [36] | Video chat, messages, and photos | Custom | Tablet | First-time as computer user required | Provided by family member |
Isaacson et al. [49] | Virtual classroom, video chat, and photos | Custom | TV, remote, and webcam | Many not proficient with smart phones/computers | Visit for setup and training |
Jarvis et al. [37] | WhatsApp (messaging service) | Off-the-shelf | Mobile phone (smart phone) | Used mobile to contact family and friends (55%), none had used WhatsApp | Initial training; weekly visits for support |
Jarvis et al. [38] | WhatsApp (messaging service) | Off-the-shelf | Mobile phone (smart phone) | N/A | Initial training; weekly visits for support |
Morton et al. [50] | E-mail, Internet, Facebook, and Skype | Off-the-shelf | Touch-screen computer | Required no current access to Internet | Continuous visits; remote support |
Myhre et al. [51] | Facebook | Off-the-shelf | Computer and tablet | No social network or minimal use required, tablet/computer ownership required | Initial training |
Barbosa et al. [52] | Video chat, photos, audio recording, and predefined messages | Custom | Tablet | All participants inexperienced with tech, save one | Initial training; weekly visits for support |
Pauly et al. [53] | E-mail, Internet, social network, and messages | Off-the-shelf | Tablet | None or very little experience with portable electronic devices (67%) | Initial training; workshop during intervention |
Tomasino et al. [54] | Virtual classroom, messages | Custom | Computer, tablet, mobile phones | Required Internet access and basic Internet skills | Remote support |
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