Table 1.
Overview and characteristics of included records.
| Reference, publication year | Study aim | Type of study participants | Addressed medical condition | Voice-enabled device type | Intervention category |
| Amith et al (2019) [59] | Development and acceptance evaluation | Healthy adults with at least one child under the age of 18 years (n=16) | Cancers associated with HPVa | Tablet | Support |
| Amith et al (2020) [60] | Development and acceptance evaluation | Healthy young adults aged between 18 and 26 years (n=24) | Cancers associated with HPV | Tablet | Support |
| Boyd and Wilson (2018) [61] | Criterion-based performance evaluation of commercial conversational agent | Authors as raters (n=2) | Cancers associated with smoking | Smartphone | Support |
| Cheng et al (2019) [62] | Development and acceptance evaluation | Older adults (n=10) | Diabetes (type 2) | Smart speaker | Monitoring and support |
| Galescu et al (2009) [63] | Development and performance evaluation | Chronic heart failure patients (n=14) | Heart failure | Not specified | Monitoring |
| Greuter and Balandin (2019) [64] | Development and performance evaluation | Adults with lifelong intellectual disability (n=9) | Intellectual disability | Smart speaker | Support |
| Ireland et al (2016) [65] | Development and acceptance evaluation | Adults recruited on campus (n=33) | Parkinson disease, dementia, and autism | Smartphone | Monitoring |
| Kadariya et al (2019) [66] | Development and acceptance evaluation | Clinicians and researchers (n=16) | Asthma | Smartphone | Monitoring and support |
| Lobo et al (2017) [67] | Development and acceptance evaluation | Healthy adults working regularly with senior patients (n=11) | Heart failure | Smartphone | Monitoring and support |
| Ooster et al (2019) [68] | Development and performance evaluation | Normal hearing (n=6) | Hearing impairment | Smart speaker | Monitoring |
| Rehman et al (2020) [69] | Development and performance and acceptance evaluation | Adults affiliated with the university (n=33) | Diabetes (type 1, type 2, gestational) and glaucoma | Smartphone | Monitoring and support |
| Reis et al (2018) [70] | Criterion-based performance evaluation of a commercial conversational agent | Not specified (n=Not specified) | Depression | Not specified | Support |
aHPV: human papillomavirus.