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Table 2 Outcome data and statistical comparisons, wave one and wave two

From: Students’ COVID-19 vaccine behaviors, intentions, and beliefs at a US Native American-Serving Nontribal Institution (NASNTI)

Wave One Survey (n = 283)

Wave Two Survey (n = 186)

Comparison

Variable (question response n)

n (%)

Variable (question response n)

n (%)

Test Statistic (p)

Vaccination (n = 282)

-

Vaccination (n = 186)

-

V = 0.260 (< 0.001)*

Yes

113 (40.1%)

Yes

124 (66.7%)

-

No

169 (59.9%)

No

62 (33.3%)

-

Variable (question response n)

Mean (SD)**

Variable (question response n)

Mean (SD)**

Test Statistic (p)***

I believe the vaccine is effective (n = 272)

4.05 (0.97)

I believe the vaccine is effective (n = 181)

3.92 (1.12)

Z = -0.836 (0.403)

I believe the vaccine is safe (n = 271)

3.92 (1.02)

I believe the vaccine is safe (n = 181)

3.77 (1.17)

Z = -1.003 (0.316)

I will continue to wear a mask and practice hand hygiene behavior after getting vaccinated (n = 270)

4.41 (0.98)

I will continue to wear a mask and practice hand hygiene behavior after getting vaccinated (n = 181)

4.23 (1.14)

Z = -1.593 (0.111)

I will continue to practice physical distancing after getting vaccinated (n = 270)

4.19 (1.07)

I will continue to practice physical distancing after getting vaccinated (n = 181)

4.05 (1.18)

Z = -1.244 (0.213)

I am worried about contracting COVID (n = 272)

3.31 (1.31)

I am worried about contracting COVID (n = 181)

2.82 (1.30)

Z = -3.876 (< 0.001)

I have all the information I need about getting vaccinated (n = 268)

3.48 (1.20)

I have all the information I need about getting vaccinated (n = 181)

3.81 (1.28)

Z = -3.325 (< 0.001)

I know when the vaccine will be available to me (n = 267)

3.23 (1.45)

I know when the vaccine will be available to me (n = 180)

4.18 (0.95)

Z = -6.610 (< 0.001)

Unvaccinated Wave One (n = 169)

Unvaccinated Wave Two (n = 62)

Comparison

Variable (question response n)

Mean (SD)**

Variable (question response n)

Mean (SD)**

Test Statistic (p)

I will make an appointment to be vaccinated within one week (n = 165)

3.51 (1.48)

I will make an appointment to be vaccinated within one week (n = 58)

2.31 (1.49)

Z = -4.884 (< 0.001)

My making an appointment to be vaccinated within one week is a good thing to do (n = 165)

3.90 (1.29)

My making an appointment to be vaccinated within one week is a good thing to do (n = 58)

2.69 (1.40)

Z = -5.578 (< 0.001)

Most people important to me think I should make an appointment to be vaccinated within one week (n = 164)

3.57 (1.33)

Most people important to me think I should make an appointment to be vaccinated within one week (n = 58)

2.64 (1.41)

Z = -4.192 (< 0.001)

Most people like me will make an appointment to be vaccinated within one week (n = 164)

3.53 (1.16)

Most people like me will make an appointment to be vaccinated within one week (n = 58)

2.71 (1.30)

Z = -4.104 (< 0.001)

I am confident I can make an appointment to be vaccinated within one week (n = 165)

3.25 (1.41)

I am confident I can make an appointment to be vaccinated within one week (n = 58)

2.91 (1.38)

Z = -1.575 (0.115)

  1. *Comparison using Cramer’s V
  2. **Response options used a Likert-type scale ranging from 1 (Strongly Disagree) to 5 (Strongly Agree)
  3. ***Statistical comparisons used Mann-Whitney U tests