Publication characteristics of websites (N = 50).
| Website Characteristic | n (%) |
| Publication source | |
| Academic | 10 (20%) |
| Professional board | 7 (14%) |
| Private health care | 33 (66%) |
| Intended audience | |
| Physician | 10 (20%) |
| Patient | 40 (80%) |
| Country of origin | |
| United States | 30 (60%) |
| Unspecified country | 10 (20%) |
| United Kingdom | 4 (8%) |
| Australia | 2 (4%) |
| India | 2 (4%) |
| Canada | 1 (2%) |
| Korea | 1 (2%) |