Table 2.
Cost-effectiveness comparison of this study with prior mental health studies using social media recruitment methods.
| Studies | Recruitment target | Country from which the participants were recruited | Total cost of advertisements Aus $ (US $) | Completed surveys (n) | Cost per participant Aus $ (US $) | |
| This study | ||||||
|
|
First panel | Suicide in adults aged ≥18 years from general community | Australia/NSW | 14,497.97 (US $10,388.17) | 3224 | 4.50 (US $3.23) |
|
|
Second panel | Suicide in adults aged ≥18 years from general community | Australia/NSW | 6500.00 (US $4,660.63) | 4254 | 1.53 (US $1.10) |
| Prior studies | ||||||
|
|
Batterham (2014)—round 1 recruitment [9] | Mental health; adults aged ≥18 years from general community | Australia | 12,600 (US $9034.45) | 1283 | 9.82 (US $7.04) |
|
|
Batterham (2014)—round 2 recruitment [9] | Mental health; adults aged ≥18 years from general community | Australia | 920 (US $659.66) | 610 | 1.51 (US $1.08) |
|
|
Choi et al (2017) [34] | Mental health in men aged ≥18 years from general community | Australia | 500 (US $358.50) | 398 | 0.55-3.85 (US $0.39-$2.76) |
|
|
Chu and Snider (2013) [35] | Posttraumatic stress disorder in Canadian youth (aged 15-24 years) affected by violence | Canada | 1508.26 (US $1081.45) | 88 | 17.13 (US $12.28) |
|
|
Morgan et al (2013) [12] | Adults with subthreshold symptoms of depression | Australia, New Zealand, the United Kingdom, Ireland, Canada, the United States | 696.15 (US $499.15) | 35 | 19.89 (US $14.26) |
|
|
Youn et al (2013) [36] | Depression in students across 5 colleges | The United States | 338.8 (US $242.93) | 20 | 16.94 (US $12.15) |