Adult only
|
125 |
176 |
71.0% |
Both adults and
children/adolescents
|
33 |
176 |
18.8% |
Children/adolescents
only
|
10 |
176 |
5.7% |
Not reported
|
8 |
176 |
4.6% |
Gender of recruited
participants |
N |
Total |
% |
Any gender
|
140 |
176 |
79.6% |
Female only
|
23 |
176 |
13.1% |
Male only
|
10 |
176 |
5.7% |
Transgender only
|
3 |
176 |
1.7% |
Study design |
N |
Total |
% |
Cross-sectional
|
110 |
176 |
62.5% |
Randomized controlled
trial
|
36 |
176 |
20.5% |
Non-controlled trial
|
20 |
176 |
11.4% |
Prospective
|
9 |
176 |
5.1% |
Retrospective
|
1 |
176 |
0.6% |
Incentives (e.g., cash, gift card
drawings) |
73 |
176 |
41.5% |
Psychiatric diagnostic research
areas |
N |
Total |
% |
Substance use
disorders
|
77 |
176 |
43.8% |
Mood disorders
|
27 |
176 |
15.3% |
General mental
health
|
21 |
176 |
11.9% |
Trauma & stress-related
disorders
|
15 |
176 |
8.5% |
Suicidal ideation &
self-injurious behaviors
|
8 |
176 |
4.5% |
Eating disorders
|
7 |
176 |
4.0% |
Anxiety disorders
|
5 |
176 |
2.8% |
Impulse control
disorders
|
5 |
176 |
2.8% |
Mental healthcare
delivery
|
4 |
176 |
2.3% |
Personality
disorders
|
3 |
176 |
1.7% |
Pharmacology
|
2 |
176 |
1.1% |
Developmental
disorders
|
1 |
176 |
0.57% |
Psychotic disorders
|
1 |
176 |
0.57% |
Social media platform(s)
used |
N |
Total |
% |
Facebook only
|
121 |
176 |
68.8% |
Facebook &
Twitter
|
24 |
176 |
13.6% |
Facebook &
Instagram
|
9 |
176 |
5.1% |
Facebook & multiple
other
|
9 |
176 |
5.1% |
Twitter only
|
6 |
176 |
3.4% |
Weibo only
|
3 |
176 |
1.7% |
Instagram only
|
1 |
176 |
0.6% |
Myspace only
|
1 |
176 |
0.6% |
Myspace & Mi
Gente
|
1 |
176 |
0.6% |
Tumblr only
|
1 |
176 |
0.6% |
Advertising strategies |
N |
Total |
% |
Paid ads
|
107 |
176 |
60.8% |
Free posts to relevant
groups/pages
|
44 |
176 |
25.0% |
Study page or
profile
|
40 |
176 |
22.7% |
Posts to personal
profiles
|
11 |
176 |
6.3% |
WebRDS
|
7 |
176 |
4.0% |
Direct contact with users based
on content
|
7 |
176 |
4.0% |
Comparative metrics |
N |
Total |
% |
Social media only recruitment
used
|
76 |
176 |
43.2% |
Equivalent/high final
participant rate
|
28 |
41 |
68.3% |
More cost effective than
some/all other methods
|
10 |
18 |
55.6% |