Table 1.
Characteristics of studies on willingness to COVID-19 vaccination among college students.
| Author | Published year | Country | Survey time | Sampling method | Sample size, n | Effective response rate, % | Age, mean±SD, range or percentage | Sex, male/female |
Vaccination acceptance rate, % | Type | Quality scores |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Harapan | 2020 | Indonesia | March 2020 to April 2020 | Simplified-snowball sampling | 511 | 96.93 | NR | NR | 94.9 | Non-medical students | 7 |
| Wong | 2020 | Malaysia | April 2020 | NR | 99 | NR | NR | NR | 95.0 | Non-medical students | 7 |
| Sun | 2020 | China | March 2020 to April 2020 | NR | 1912 | NR | 20.38 ± 2.10 | 602/1390 | 64.0 | Non-medical students | 7 |
| Qiao | 2020 | US | September 2020 to October 2020 | Convenience sampling | 1062 | NR | 23.83 ± 6.66 | 211/848 | 60.6 | Non-medical students | 6 |
| Barello | 2020 | Italy | NR | NR | 735 | 81.00 | 23.60 ± 4.90 | 602/1390 | 86.1 | Non-medical students | 5 |
| Lucia | 2020 | US | NR | NR | 168 | 34 | NR | 72/96 | 53.0 | Medical students | 4 |
| Sallam | 2021 | Jordan | January 2020 | Chain-referral sampling | 1106 | NR | ≤21 years，63.8%; >21 years, 36.2% | 304/802 | 34.9 | Non-medical students | 8 |
| Pastorino | 2021 | Italy | June 2020 to July 2020 | NR | 436 | 78 | 23.09 (range: 21.32–24.74） | 129/307 | 88.5 | Non-medical students | 7 |
| Alali | 2021 | Kuwait | June 2020 to July 2020 |
NR | 592 | 25.06 | Range: 19-45 | 47/545 | 75.8 | Medical students | 4 |
| Rosental | 2021 | Israel | August 2020 to September 2020 | Opportunity sampling | 628 | NR | 28.06 ± 3.33 (MS); 26.04 ± 3.74 (NS) | 210/418 | 88.1 | Medical and nursing students | 7 |
| Cuschieri | 2021 | Malta | September 2020 to October 2020 | NR | 679 | 32.63 | 18–24 (78.50%) | 219/460 | 56.4 | Medical students | 4 |
| Kelekar | 2021 | US | September 2020, November 2020 to December 2020 | NR | 415 | 34 (Medical)，18 (Dental) | NR | NR | 77.3 | Medical students | 4 |
| Silva | 2021 | US | November 2020 | NR | 237 | 44.38 | 18–29 (97%) | 82/155 | 92.0 | Non-medical students | 4 |
| Graupensperger | 2021 | US | November 2020 | NR | 647 | 46.21 | 19.77 ± 1.35 | 228/419 | 91.6 | Non-medical students | 6 |
| Yu | 2021 | China | January 2021 | Random sampling and snowball sampling | 2608 | NR | NR | 1509/1099 | 81.4 | Non-medical students | 7 |
| Szmyd | 2021 | Poland | December 2020 | NR | 1971 | NR | Medical: 20 (range: 20–24); Non-medical: 20 (range: 19–22) |
970/1001 | 92.0 | Medical students and Non-medical students | 7 |
| Bai | 2021 | China | December 2020 to January 2021 | Snowball sampling | 2881 | 99.60 | 19.83 ± 2.02 | 961/1920 | 76.3 | Non-medical students | 7 |
| Patelarou | 2021 | Greece, Albania, Cyprus, Spain, Italy, Czech Republic and Kosovo | December 2020 to January 2021 | NR | 2249 | NR | 21.60 ± 5.60 | 344/1902 | 43.8 | Nursing students | 6 |
| Tavolacci | 2021 | France | January 2021 | Convenience sampling | 3089 | 10.00 | 20.30 ± 1.90 | 883/2206 | 58.0 | Non-medical students | 5 |
| Saied | 2021 | Egypt | January 2021 | Convenience sampling | 2133 | NR | 20.24 ± 1.78 | 742/1391 | 84.1 | Medical students | 6 |
| Wu | 2021 | China | January 2021 | Snowball sampling | 116 | 99.46 | NR | NR | 81.9 | Medical students | 7 |
| Riad | 2021 | Albania, Canada, Croatia, Ecuador, Estonia, Indonesia, Iran, Iraq, Italy, Latvia, Lebanon, Lithuania, Malaysia, Nepal, Pakistan, Palestine, Portugal, Russia, Sudan, Tunisia, Turkey and US | February 2021 | NR | 6639 | NR | 22.06 ± 2.79 | 1836/4682 | 63.6 | Dental students | 5 |
| Sharma | 2021 | US | February 2021 to March 2021 | Quantitative cross-sectional and survey-based research methodology | 282 | 67.79 | 25.00 ± 7.90 | 95/177 | 47.5 | Non-medical students | 8 |
| Jain | 2021 | India | February 2021 to March 2021 | NR | 1068 | NR | NR | 549/519 | 89.4 | Medical students | 6 |
| Kecojevic | 2021 | US | February 2021 to March 2021 | Simple random sampling | 457 | 19.5 | 24.70 ± 6.38 | 109/342 | 63.7 | Non-medical students | 7 |
| Velikonja | 2021 | Slovenia, Poland and Serbia | February 2021 to March 2021 | Snow-ball sampling | 872 | 45.04 | 23.50 ± 6.50 | 97/775 | 35.0 | Nursing students | 6 |
| Gallè | 2021 | Italy | February 2021 to April 2021 | NR | 3226 | NR | 23.30 ± 3.90 | 1421/1805 | 81.3 | Non-medical students | 6 |
| Jiang | 2021 | China | March 2021 | NR | 1488 | 98.41 | <18, .34%; 18-, 10.95%; 19-, 21.91%; 20-, 19.69%; 21-, 23.99%; 22-, 16.20%; 23-, 6.96% | 234/1254 | 84.4 | Nursing students | 5 |
| Kanyike | 2021 | Uganda | March 2021 | NR | 600 | NR | 0–24, 61.2%; ≥24, 38.8% | 377/223 | 37.3 | Medical students | 7 |
| Sovicova | 2021 | Slovakia | March 2021 | NR | 1228 | 22.85 | 22 (range: 18–33) | 361/867 | 71.7 | Medical students | 6 |
| Mascarenhas | 2021 | US | 2020 | NR | 248 | NR | 26.30 ± 3.80 | 104/144 | 56.0 | Dental students | 6 |
| Synnott | 2021 | US | NR | Systematic sampling | 592 | 36.2 | NR | 206/378 | 50.5 | Non-medical students | 5 |
| Alzubaidi | 2021 | UAE | March 2021 | Heterogeneous sampling | 669 | 76.6 | 20.98 ± 3.87 | 126/543 | 68.2 | Non-medical students | 8 |
| Hossain | 2021 | Bangladesh | March 2021 to April 2021 | Convenient sampling | 900 | NR | 23.95 ± 3.38 | 502/398 | 72.7 | Non-medical students | 7 |
NR, not reported.