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. 2021 Jun 22;9(7):684. doi: 10.3390/vaccines9070684

Table 3.

Items for Study Measures with Descriptive Statistics, Reliability Coefficients, Factor Loadings, and Average Variance Extracted Statistics.

Construct; Mean (SD) Measurement Item λ α CR AVE
Fear of COVID-19;
21.12 (6.94)
0.88 0.87 0.48
I am most afraid of coronavirus-19 0.648
It makes me uncomfortable to think about coronavirus-19 0.742
My hands become clammy when I think about coronavirus-19 0.631
I am afraid of losing my life because of coronavirus-19 0.735
When watching news and stories about coronavirus-19 on social media, I become nervous or anxious 0.765
I cannot sleep because I’m worrying about getting coronavirus-19 0.650
My heart races or palpitates when I think about getting coronavirus-19 0.670
Perceived COVID-19 infectability;
3.12 (1.10)
0.70 0.67 0.30
If a COVID-19 patient is “going around in his/her immediate locality”, I will get it 0.703
My past experiences make me believe I am not likely to get COVID-19 even when my friends are sick 0.384
In general, I am very susceptible to colds, flu, COVID-19 and other infectious diseases 0.529
I am unlikely to catch a cold, flu, COVID-19 or other illness, even if it is “going around in the immediate locality” 0.457
My immune system protects me from COVID-19 that other people get 0.615
Perceived Behavioral Control;
3.84 (1.05)
0.75 0.76 0.61
Whether or not I get COVID-19 vaccination is completely up to me. 0.720
I have resources, time and opportunities to get COVID-19 vaccination 0.837
Subjective norms;
3.83 (1.10)
Most people who are important to me would… 0.89 0.88 0.79
want me to get COVID-19 vaccination 0.881
think I should get COVID-19 vaccination 0.898
Attitude;
3.86 (0.96)
For me, getting the COVID-19 vaccination would be … 0.94 0.94 0.72
extremely bad (1)/extremely good (5) 0.816
extremely undesirable (1)/extremely desirable (5) 0.879
extremely unimportant (1)/extremely important (5) 0.909
extremely useless (1)/extremely useful (5) 0.808
extremely unfavorable (1)/extremely favorable (5) 0.809
extremely harmful (1)/extremely beneficial (5) 0.794
Intentions;
3.84 (1.10)
0.92 0.91 0.84
I am willing to get COVID-19 vaccination 0.927
I want to get COVID-19 vaccination 0.907

Note. λ = Standardized factor loading from structural equation model; α = Cronbach’s alpha reliability coefficient; CR = Composite reliability; AVE = Average variance extracted from structural equation model; SD = Standard deviation.