Table 1.
General characteristics of the included studies (N = 949)
| N | % | |
|---|---|---|
| Year of publication | ||
| 2012 | 140 | 14.8 |
| 2013 | 158 | 16.6 |
| 2014 | 132 | 13.9 |
| 2015 | 188 | 19.8 |
| 2016 | 184 | 19.4 |
| 2017 | 147 | 15.5 |
| Study region | ||
| Africa | 13 | 1.4 |
| Asia | 218 | 23.0 |
| Oceania | 39 | 4.1 |
| Europe | 338 | 35.6 |
| Middle east | 49 | 5.2 |
| North America | 236 | 24.9 |
| South America | 53 | 5.6 |
| Covering various regions | 3 | 0.3 |
| Mental health disorder(s) of the study populationa,b | ||
| Anxiety disorders | 41 | 4.3 |
| Bipolar or related disorders | 53 | 5.6 |
| Depressive disorders | 128 | 13.5 |
| Feeding and eating disorders | 42 | 4.4 |
| Gender dysphoria | 2 | 0.2 |
| Neurodevelopmental disorders | 23 | 2.4 |
| Obsessive–compulsive and related disorders | 25 | 2.6 |
| Personality disorders | 4 | 0.4 |
| Schizophrenia spectrum and other psychotic disorders | 297 | 31.3 |
| Sleep–wake disorders | 5 | 0.5 |
| Somatic symptom and related disorders | 7 | 0.7 |
| Substance-related and addictive disorders | 101 | 10.6 |
| Trauma and stressor-related disorders | 55 | 5.8 |
| Various disorders | 166 | 17.5 |
aDisorders were grouped according to the diagnostic and statistical manual (DSM)-5 categories
bDisorder in this case refers to both clinical and subclinical mental health disorders