Table 1.
Descriptive statistics of the 62 studies.
|
|
Values | |
| Age of users (years), mean (range) | 44.14a (32-64.9) | |
| Sample sizeb (n=108), n (%) | ||
|
|
20-49 | 17 (27) |
|
|
50-99 | 17 (27) |
|
|
100-499 | 12 (19) |
|
|
>500 | 16 (25) |
| Platform, n (%) | ||
|
|
Android | 11 (17) |
|
|
iPhone | 11 (17) |
|
|
Both | 29 (46) |
|
|
Not reported | 11 (17) |
| Clinical vs nonclinical, n (%) | ||
|
|
Clinical | 48 (77) |
|
|
Nonclinical | 14 (22) |
| Compensation, n (%) | ||
|
|
Provided compensation | 34 (54) |
|
|
No compensation | 28 (45) |
| Success code, n (%) | ||
|
|
Not successful | 13 (21) |
|
|
Partially successful | 42 (67) |
|
|
Successful | 6 (9) |
|
|
Not able to calculate | 1 (1) |
aAdequate information to calculate the mean age was not provided for 13 out of the 62 studies. We excluded these studies from the mean age calculation.
bThe sample size ranged from 20 to 101. The median was 90.5 (IQR 436).