Table 3.
Gender distribution for TwitterHealth, Google+Health, drug reviews, health forums, compared to other relevant populations.
| Source | Females, % | Males, % |
| Population [30] | 51.05 | 48.95 |
| Internet Use [31] | 51.63 | 48.37 |
| General social networks [11] | 54.68 | 45.32 |
| Twitter [33] | 57.00 | 43.00 |
| Google+ [33] | 37.00 | 63.00 |
| TwitterHealtha | 51.81 | 48.19 |
| Google+Healtha | 35.36 | 64.64 |
| Drug review websitesa | 78.48 | 21.52 |
| Health Web forumsa | 78.41 | 21.59 |
aThese results are from this work. Results in the rows above are reported in the respective citations.