Table 5.
Survey component similarity across published indexes.
| Confidence/Hesitancy Measure | EVCI | PACV | VCP | VCS |
|---|---|---|---|---|
| Emory Vaccine Confidence Index (EVCI) | ||||
| Vaccines recommended for children are safe | × | ▲ | × | × |
| My doctor/nurse is a reliable source of trustworthy vaccine information | × | ▲ | ▲ | |
| My doctor/nurse has my child(ren)’s best health interest in mind when making vaccine recommendations | × | × | ||
| It is important for everyone to get the recommended vaccines for their child(ren) | × | ▲ | × | ▲ |
| Trust in: Food & Drug Administration (FDA), the federal government agency that licenses vaccines | × | |||
| Trust in: Centers for Disease Control and Prevention (CDC), the federal government agency that makes recommendations about who should get licensed vaccines | × | |||
| Trust in: Federal government agencies responsible for monitoring the safety of recommended childhood vaccines | × | |||
| Trust in: Scientists involved in developing and testing new vaccines | × | |||
| Parent Attitudes About Childhood Vaccines (PACV) [1–4] | ||||
| Have you ever delayed having your child get a shot for reasons other than illness or allergy? | × | |||
| Have you ever decided not to have your child get a shot for reasons other than illness or allergy? | × | |||
| How sure are you that following the recommended shot schedule is a good idea for your child? | ▲ | × | ▲ | |
| Do you agree with the following statement? It is my role as a parent to question shots | × | |||
| If you had another infant today, would you want him/her to get all the recommended shots? | ▲ | × | ||
| How concerned are you that your child might have a serious side effect from a shot? | ▲ | × | ▲ | × |
| How concerned are you that any one of the childhood shots might not be safe? | ▲ | × | ▲ | ▲ |
| How concerned are you that a shot might not prevent the disease? | × | ▲ | ▲ | |
| Do you know of anyone who has had a bad reaction to a shot? | × | |||
| Which of the following statements reflect your general attitude and trust towards vaccines? | × | |||
| The only reason I have my child get shots is so that they can enter day-care or school | × | |||
| I am able to openly discuss my concerns about shots with my child’s doctor | ▲ | × | ▲ | |
| All things considered, how much do you trust your child’s doctor? | ▲ | × | ||
| Vaccine Confidence Project (VCP) [5–7] | ||||
| Vaccines are important for children to have | × | × | ▲ | |
| Overall I think vaccines are safe | × | ▲ | × | × |
| Overall I think vaccines are effective | × | ▲ | ||
| Vaccines are compatible with my religious beliefs | × | |||
| Vaccination Confidence Scale (VCS) [8–10] | ||||
| Vaccines are necessary to protect the health of teenagers | ▲ | ▲ | × | |
| Vaccines do a good job in preventing the diseases they are intended to prevent | ▲ | ▲ | × | |
| Vaccines are safe | × | ▲ | × | × |
| If I do not vaccinate my teenager, he/she may get a disease such as meningitis and cause other teenagers or adults also to get the disease | × | |||
| Teenagers receive too many vaccines | × | |||
| If I vaccinate my teenager, he/she may have serious side effects | ▲ | ▲ | ▲ | × |
| In general medical professionals in charge of vaccinations have my teenager’s best interest at heart | ▲ | ▲ | × | |
| I have a good relationship with my teenager’s health care provider | ▲ | ▲ | × | |
× Although wording or populations (e.g. children vs. teenagers) may differ between surveys, factors measured and how they are measured (e.g. considering a vaccine safe vs. considering a vaccine not safe) are consistent.
▴ Similar measure was used in the vaccine confidence/hesitancy scale, but scope or how they are measured (e.g. considering a vaccine safe vs. considering a vaccine not safe)are different enough to be considered separate measures.