Table 3.
Reasons for booster vaccine hesitancy among participants with full initial series∗.
| All, n (%) | Lack Primary Care, n (%) | Have Primary Care, n (%) | |
|---|---|---|---|
| Reasons | 167 (%) | 51 (%) | 116 (%) |
| Prefer to wait for more information | 41 (24.6) | 14 (27.5) | 27 (23.3) |
| Have concerns about side effects and safety | 40 (24.0) | 11 (21.6) | 29 (25.0) |
| Do not need one because already fully vaccinated | 34 (20.4) | 7 (13.7) | 27 (23.3) |
| Bad side effects from initial vaccination | 24 (14.4) | 4 (7.8) | 20 (17.2) |
| Have not received the vaccine owing to a medical reason | 17 (10.2) | 8 (15.7) | 9 (7.8) |
| Not yet eligible for booster | 13 (7.8) | 5 (9.8) | 8 (6.9) |
| Already had the COVID-19 infection | 12 (7.2) | 3 (5.9) | 9 (7.8) |
| Not worried about getting COVID-19 infection | 11 (6.6) | 2 (3.9) | 9 (7.8) |
| General mistrust of the vaccines | 11 (6.6) | 2 (3.9) | 9 (7.8) |
| Tired of getting vaccines | 9 (5.4) | 2 (3.9) | 7 (6.0) |
| Do not want it | 7 (4.2) | 1 (2.0) | 6 (5.2) |
| Heard media stories that gave doubt about the booster vaccine | 6 (3.6) | 2 (3.9) | 4 (3.4) |
| Have not received the opportunity | 6 (3.6) | 2 (3.9) | 4 (3.4) |
| Not mandated by job | 4 (2.4) | 1 (2.0) | 3 (2.6) |
| Physician recommended against it | 3 (1.8) | 1 (2.0) | 2 (1.7) |
| Other | 3 (1.8) | 2 (3.9) | 1 (0.9) |
| Unsure | 2 (1.2) | 0 (0.0) | 2 (1.7) |
∗
Research staffs were instructed to record responses as free text unless they were worded exactly as one of the listed choices. Free text was therefore used in 48% of responses for reasons underlying booster hesitancy. The responses above include the original answer choices as well as free-text categorized responses based on investigator consensus.