Table 2.

Summary of the information for the included publications.

Authors	Year	Study type and methodology	Study location	Study aim	Condition of cared-for family member	Caregiver sample	Relationship of the caregiver to the care recipienta
Allemann et al [26]	2019	Qualitative study with focus groups	Sweden	Explore the perceptions of ICTb solutions as supportive solutions among informal caregivers of persons with heart failure	Heart failure	23	Spouse/partner: 22; Child: 1
Andersson et al [27]	2017	Qualitative exploratory descriptive study based on semistructured in-depth interviews	Sweden	Describe working informal caregiver experiences of having access to the web-based family care support network	Different conditions	9	Spouse: 1; child: 7; in-law: 3; niece:1
Austrom et al [28]	2015	Qualitative longitudinal study with focus groups	USc	Assess the feasibility and acceptability of a web-based video support group offered in real time for informal caregivers of persons with dementia	Dementia	5	Spouse: 4; parent: 1; friend: 1
Barbabella et al [29]	2018	Mixed-methods sequential explanatory study with structured questionnaires and focus groups	Germany, Italy, and Sweden	Assess the use and usability of a psychosocial web-based program for informal caregivers	Different conditions	118	Spouse/partner: 34; child/child-in-law: 67; other: 17
Bergström and Hanson [30]	2018	Integrative literature review	International	Explore studies concerning ICT support of adult carers of older people	N/Ad	N/A	N/A
Boessen et al [31]	2017	Mixed-methods study with semistructured interviews and questionnaire	The Netherlands	Test the usability and perceived value of an online platform that aims to support the communication and collaboration between informal and professional caregivers of patients with dementia	Dementia	7	Spouse/partner: 1; child: 6
Boots et al [32]	2016	Exploratory mixed-methods study with focus groups, interviews, and questionnaire	The Netherlands	Development and initial evaluation of a web-based support solution for informal caregivers	Early-stage dementia	28	Spouse: 22; child: 2; child-in-law: 2; sibling: 1; friend: 1
Coffey et al [33]	2017	Qualitative study with semistructured interviews	US	Identify preferred sources of health information for informal caregivers	Traumatic brain injury, spinal cord injury, or burn injury	32	Not reported
Cristancho et al [34]	2015	Mixed-methods unblinded monocentric pilot RCTe	France	Evaluate the efficacy and acceptability of a web-based psychoeducational program for informal caregivers of persons with Alzheimer disease	Alzheimer disease	49	Not reported
Dam et al [35]	2017	Qualitative study with semistructured interviews	The Netherlands	Test the development and feasibility of an online social support intervention for informal caregivers of people with dementia	Dementia	23	Not reported
Duggleby et al [36]	2019	Mixed-methods secondary analysis study	Canada	Compare users and nonusers of a web-based intervention for informal caregivers of older people	Alzheimer Disease	92	Not reported
Gaugler et al [37]	2016	Mixed-methods study with survey and semistructured interview	US	Test the feasibility of an online resource for dementia caregivers	Dementia	30	Not reported
Gibson et al [38]	2015	Qualitative study with semistructured interviews	UKf	Explore the everyday use of ICT by people with dementia and their families	Dementia	26	Not reported
Grossman et al [39]	2018	Quantitative content analysis study	International	Identify mobile apps geared toward caregivers of older adults, catalog features, and suggest best practices for adoption	N/A	N/A	Not reported
Heynsbergh et al [40]	2018	Qualitative study with focus groups and semistructured interviews	Australia	Understand how digital technology may be used to address informal caregiver needs	Cancer	45	Spouse: 29; parent: 13; other (relative/friend): 3
Holden et al [41]	2018	Qualitative study with semistructured interviews	US	Understand the current personal health information management practices in informal caregiving for adults with and without dementia	Dementia	10	Not Reported
Kales et al [42]	2017	Qualitative study with focus groups	US	Develop a caregiver-focused, web-based program to assess and manage behavioral and psychological symptoms of dementia	Dementia	26	Adult child: 15; spouse: 6; other relative: 5
Kim [43]	2015	Quantitative cross-sectional and descriptive correlational design study using a secondary analysis	US	Understand internet use among dementia informal caregivers	Dementia	450	Spouse: 29; parent: 15; child or grandchild: 335; other type of relative: 38; friend/nonrelative/neighbor: 29; missing data :4
Núñez et al [44]	2016	Pilot randomized controlled pre-post	Denmark, Poland, and Spain	Assess the satisfaction of the informal caregivers with an ICT platform	Dementia	61	Not reported
O’Connor et al [45]	2016	Qualitative exploratory study with focus groups and interviews	UK	Explore barriers experienced by participants during the co-design of mobile app for informal caregivers	Dementia	16	Not reported
Phongtankuel et al [46]	2018	Qualitative study with semistructured interviews	US	Explore informal caregiver receptivity and concerns in using mHealth apps	Different conditions	80	Child: 46; spouse:10; other relative: 19; friend: 5
Ploeg et al [47]	2018	Qualitative study with semistructured interviews	Canada	Understand how web-based support help informal caregivers	Multiple chronic conditions	56	Spouse/partner: 31; son/daughter :22; daughter-in-law: 2; grand-daughter: 1
Schaller et al [48]	2016	Mixed-method design with questionnaires and interviews	Germany	Assess the usefulness and impact of the eHealth Monitor Dementia Portal service in the dementia care	Dementia	25	Spouse:11; child: 9; relative: 5; grand-daughter: 1
Schulz et al [49]	2016	Quantitative study with online survey	US	Assess whether and how much informal caregivers are willing to pay for technologies designed to help monitor and support care recipients	Different conditions	512	Not reported
Sriram et al [50]	2019	Systematic review	International	Explore the positive and negative aspects, knowledge, acceptance, and ethical issues in the use of assistive technology by caregivers of persons with dementia	N/A	N/A	N/A
Tonsaker et al [51]	2016	Qualitative study with focus groups	Canada	Investigate how caregivers access and use information on the internet about caregiving and their perspectives on the design and features of a new personal health experiences website	Different conditions	16	Not reported
Turk et al [52]	2019	Qualitative study with focus groups and semistructured interviews	UK	Explore the perceived usefulness and ease of use of a personalized web-based resource for informal caregivers	Different conditions	50	Not reported
Vaughan et al [53]	2018	Mixed-methods study with survey, focus groups and semistructured interview	US	Examine use and perceptions of a web-based social support intervention for informal caregivers	Different conditions	211	Spouse/partner: 186; other: 31
Walker et al [54]	2016	Qualitative study with focus groups	US	Gain insights into how older people and their families manage health information and communication	Different conditions	23	Not reported
Werner et al [55]	2017	Qualitative study with focus groups	US	Identify barriers to information needs of informal caregivers to manage dementia-related behavioral symptoms	Dementia	26	Not reported

^aSome participants in some studies cared for multiple family members. Therefore, counts do not add up to the sample size.

^bICT: information and communication technology.

^cUS: United States.

^dN/A: not applicable.

^eRCT: randomized controlled trial.

^fUK: United Kingdom.