Table 3.
Summary of statistics and literature sources.
| Constructs and Measurement Items | Mean | SD | Cronbach's α |
Adapted from |
|---|---|---|---|---|
| Trust in governmenta | ||||
| I trust the information from the government about the risks of COVID-19 since the start of the pandemic | 3.31 | 1.33 | – | Mody et al. (2020) |
| Trust in sciencea | ||||
| I trust the information from the scientists about the risks of COVID-19 since the start of the pandemic | 3.76 | 1.17 | – | Mody et al. (2020) |
| Trust in mediaa | ||||
| I trust the information from the media about the risks of COVID-19 since the start of the pandemic | 3.24 | 1.34 | – | Mody et al. (2020) |
| Perceived susceptibility to COVID-19a | .79 | (Zagumny & Brady, 1998; Barr, 1991) | ||
| I worry a lot about getting COVID-19 from travel | 3.65 | 1.31 | ||
| The chances that I will get COVID-19 if I travel are great | 3.46 | 1.26 | ||
| My physical health makes it more likely that I will contract COVID-19 if I travel | 3.19 | 1.40 | ||
| Perceived severity of COVID-19a | .70 | (Zagumny & Brady, 1998; Barr, 1991) | ||
| If I were to contract COVID-19, my symptoms would be severe | 3.31 | 1.75 | ||
| It worries me to think about the effect of COVID-19 on my health | 3.78 | 1.61 | ||
| COVID-19 is deadly | 3.96 | 1.64 | ||
| Perceived protection benefit of vaccine for travela | .86 | Wong et al. (2020) | ||
| A COVID-19 vaccine would help protect me when I travel | 3.64 | 1.27 | ||
| A COVID-19 vaccination will help stop the spread of the virus through travel | 3.82 | 1.23 | ||
| It is my responsibility to protect others from getting COVID-19 if I travel | 3.92 | 1.20 | ||
| It is everyone's responsibility to protect others from COVID-19 when they travel | 4.07 | 1.15 | ||
| Willingness to vaccinate for COVID-19 prior to travelb | .91 | Dodd et al. (2020) | ||
| If a vaccination for COVID-19 becomes available, how willing would you be to receive it in order to travel within the U.S.? | 3.55 | 1.33 | ||
| If a vaccination for COVID-19 becomes available, how willing would you be to receive it in order to travel internationally? | 3.52 | 1.39 | ||
| The belief that others should vaccinate for COVID-19 prior to travela | ||||
| I feel everyone should receive a vaccination for COVID-19 prior to travel | 3.41 | 1.35 | ||
| Support for COVID-19 vaccination requirement prior to travela | Mody et al. (2019) | |||
| I would support restrictions on travel for people without a COVID-19 vaccine | 3.71 | 1.49 |
a
Measured using a 5-point Likert scale (1 = Strongly disagree to 5 = Strongly agree).
b
Measured using a 5-point Likert Scale (1 = Not at all willing 5 = Very willing).