Table 1.
Characteristics of the included studies.
| Study | Country | SSa, n | Measurements | IDb, weeks | Fc, % | Age (years), mean (range) |
Study design | Cond.d |
| Aldiss et al [57] |
UK | 4 | Pediatric Quality of Life Inventory Cancer Module Teen Report Form [58] The Life Situation Scale for Adolescents (LSS-A) [59] The State-Trait Anxiety Inventory (STAI) [60] Perceptions of Technology Questionnaire |
2 | 0 | N/Ae
(13-15) |
Pilot RCTf | Cancer |
| Burbank et al [39] |
USA | 18 | Self-efficacy questionnaire Asthma Control Test |
8 | N/A | 13.5 (12-17) |
Feasibility pretest/ post-test |
Asthma |
| Cafazzo et al [55] |
Canada | 12 | Self-care inventory Diabetes Family Responsibility Questionnaire Diabetes QOLgInstrument for Youth |
12 | 67 | 14.9 (12-16) |
Pretest/ post-test (mixed method) |
Type 1 diabetes |
| Frøisland et al [56] |
Norway | 12 | HbA1ch
Knowledge test score, before and after the intervention System Usability Scale after the intervention |
12 | 54 | 16.2 (13-19) |
Pretest/ post-test (mixed method) |
Type 1 diabetes |
aSS: sample size.
bID: intervention duration.
cF: female.
dCond.: condition.
eN/A: not applicable (information not reported or stated).
fRCT: randomized controlled trial.
gQOL: quality of life.
hHbA1c: hemoglobin A1c (glycated hemoglobin).