| Sentiment-related content: The tweet mentions… | ||
|
| n | % |
| Something about the vaccine being dangerous (e.g. Gardasil kills, poisons, or injures) | 51 | 5.1 |
| Some concern regarding civil liberties (e.g. government wants mandate the vaccine, which threatens citizen freedom) | 10 | 1.0 |
| Something about the vaccine being a hoax | 9 | 0.9 |
| Information about the HPV vaccine: The tweet mentions that the HPV vaccine can prevent… | ||
| Cancer | 176 | 17.6 |
| A sexually transmitted infection | 66 | 6.6 |
| Genital warts | 4 | 0.4 |
| Information about the HPV vaccine: The tweet mentions… |
|
|
| Girls and women are approved for the HPV vaccine | 48 | 4.8 |
| Concerns about the long- and short-term safety and/or unknown risks associated with the vaccine | 28 | 2.8 |
| Boys and men are approved for the HPV vaccine | 24 | 2.4 |
| The appropriate age range approved for the vaccine | 14 | 1.4 |
| Side effects of the vaccine (e.g. soreness at the site of injection) | 14 | 1.4 |
| The cost of the 3-dose vaccine | 8 | 0.8 |
| Current or developing legislation to make the vaccine mandatory for schoolchildren | 4 | 0.4 |
| Issues concerning whether insurance companies will cover the newly approved vaccine | 2 | 0.2 |
| Concerns that the vaccine will cause sexual promiscuity or send a message to young people that sexual activity is acceptable at an early age | 0 | 0.0 |
| Source attribution: The tweet cites information from… | ||
| A medical doctor | 30 | 3.0 |
| A member of the research community (e.g. researchers, scientists) | 20 | 2.0 |
| The CDC | 13 | 1.3 |
| Another source such as WebMD, Mayo Clinic | 10 | 1.0 |
| A state or local health department | 8 | 0.8 |
| Government officials (e.g. senators, governors, representatives) or from political organizations | 7 | 0.7 |
| The World Health Organization | 4 | 0.4 |
| An HPV vaccine manufacturer (e.g. Merck) | 2 | 0.2 |
| A celebrity | 2 | 0.2 |
| Cancer organizations (e.g. American Cancer Society) | 1 | 0.1 |
| The tweet mentions… | ||
| The link between HPV and cervical cancer | 76 | 7.6 |
| Cervical Pap tests, anal Pap tests, or DNA tests can screen for HPV infection | 11 | 1.1 |
| The link between HPV and other types of cancers (e.g. head or neck) | 11 | 1.1 |
| The link between HPV and other types of genital cancers (e.g. vulvar, anal, penile) | 8 | 0.8 |
| The virus is transmitted through sexual contact | 4 | 0.4 |
| HPV often goes undetected or clears up on its own | 3 | 0.3 |
| The link between HPV and throat cancer | 2 | 0.2 |
| Safe sex practices (e.g. condom use or abstinence) to protect against acquiring HPV | 2 | 0.2 |
| Various symptoms associated with the virus including genital warts, dysplasia or abnormal cells, or no symptoms at all | 1 | 0.1 |
| Having multiple sexual partners increases the risk of HPV infection | 0 | 0.0 |