Table 4.
Health conditions and measurement tools among included studies.
| Health condition | Studies, n (%) | Measurement tools (scales) used, n |
| General health | 26 (15) | 66 |
| Anxiety | 35 (20) | 52 |
| Depression | 32 (19) | 68 |
| Suicide, self-harm, or violence | 11 (6) | 15 |
| Substance use | 10 (6) | 22 |
| Eating disorder | 10 (6) | 10 |
| Stress or mood related | 9 (5) | 20 |
| Sleep disorder | 6 (4) | 9 |
| ASDa | 5 (3) | 4 |
| STD or STIb | 5 (3) | 10 |
| Psychosis | 4 (2) | 5 |
| ADHDc | 4 (2) | 8 |
| PTSDd | 4 (2) | 3 |
| OCDe | 3 (2) | 1 |
| FASDf | 2 (1) | N/Ag |
| Others | 6 (4) | N/A |
| Total | 172h (N/A) | N/A |
aASD: autism spectrum disorder.
bSTD or STI: sexually transmitted disease or sexually transmitted infection.
cADHD: attention-deficit/hyperactivity disorder.
dPTSD: posttraumatic stress disorder.
eOCD: obsessive-compulsive disorder.
fFASD: fetal alcohol spectrum disorder.
gN/A: not applicable.
hThe total number of conditions exceeds the total number of studies because there are articles targeting more than 1 condition.