Table 2.
Reasons for not intending to get a COVID-19 vaccine among adults ≥18 years old, by vaccination intent, United States, 6 January to 29 March 2021.
| 1/6–1/18 |
1/20–2/1 |
2/3–2/15 |
2/17–3/1 |
3/3–3/15 |
3/17–3/29 |
Differences from January to March | 95% CI of Differences | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weighted % | 95% CI | Weighted % | 95% CI | Weighted % | 95% CI | Weighted % | 95% CI | Weighted % | 95% CI | Weighted % | 95% CI | |||
| Probably | ||||||||||||||
| Plan to wait and see if it is safe and may get it later | 56.8 | (55.1, 58.6) | 56.8 | (55.1, 58.5) | 55.0 | (53.1, 56.8) | 54.8 | (52.7, 57.0) | 52.9 | (50.6, 55.2) | 54.5 | (52.6, 56.5) | −2.3 | (−4.9, 0.3) |
| Concerned about possible side effects | 53.0 | (51.2, 54.7) | 50.8 | (49.2, 52.5) | 50.9 | (49.1, 52.7) | 50.2 | (48.1, 52.3) | 51.3 | (49.1, 53.5) | 50.9 | (48.4, 53.3) | −2.1 | (−5.1, 0.9) |
| Other people need it more right now | 35.7 | (33.9, 37.4) | 37.2 | (35.7, 38.7) | 38.8 | (37.2, 40.4) | 38.9 | (36.8, 41.1) | 38.9 | (37.0, 40.9) | 35.5 | (33.1, 37.8) | −0.2 | (−3.1, 2.7) |
| Don’t know if a vaccine will work | 19.3 | (17.8, 20.8) | 16.6 | (15.3, 17.9) | 19.0 | (17.5, 20.5) | 17.9 | (16.6, 19.3) | 15.5 | (14.0, 17.0) | 16.1 | (14.3, 17.8) | −3.2 | (−5.5, −0.9) |
| Don’t trust the government | 10.4 | (9.6, 11.2) | 9.1 | (8.2, 10.1) | 10.0 | (9.0, 11.0) | 9.8 | (8.6, 10.9) | 12.2 | (10.5, 13.8) | 11.0 | (9.2, 12.7) | 0.6 | (−1.3, 2.5) |
| Don’t trust COVID-19 vaccines | 7.7 | (6.7, 8.6) | 7.5 | (6.6, 8.5) | 8.1 | (7.1, 9.0) | 8.7 | (7.4, 9.9) | 8.4 | (7.2, 9.7) | 9.5 | (8.2, 10.7) | 1.8 | (0.2, 3.4) |
| Concerned about the cost | 12.4 | (11.3, 13.5) | 11.3 | (10.1, 12.5) | 10.6 | (9.6, 11.6) | 11.7 | (10.4, 12.9) | 10.5 | (8.7, 12.3) | 7.7 | (6.1, 9.3) | −4.7 | (−6.6, −2.8) |
| Don’t like vaccines | 4.2 | (3.7, 4.8) | 4.8 | (3.9, 5.6) | 4.4 | (3.8, 5.0) | 5.4 | (4.5, 6.2) | 5.7 | (4.6, 6.7) | 6.1 | (4.9, 7.3) | 1.9 | (0.6, 3.2) |
| Don’t believe I need a vaccine | 3.8 | (2.9, 4.7) | 3.7 | (2.9, 4.4) | 3.9 | (3.3, 4.6) | 5.4 | (4.3, 6.5) | 4.8 | (4.1, 5.5) | 5.8 | (4.8, 6.8) | 2.0 | (0.7, 3.3) |
| Doctor has not recommended it | 8.1 | (7.0, 9.2) | 7.3 | (6.4, 8.3) | 6.0 | (5.3, 6.6) | 6.0 | (5.1, 6.9) | 8.3 | (7.0, 9.6) | 4.9 | (4.1, 5.8) | −3.2 | (−4.6, −1.8) |
| Other reason for not getting vaccine | 7.2 | (6.4, 7.9) | 7.5 | (6.6, 8.3) | 7.5 | (6.7, 8.3) | 7.2 | (6.5, 8.0) | 8.5 | (7.4, 9.6) | 9.2 | (8.0, 10.4) | 2.0 | (0.6, 3.4) |
| Probably not | ||||||||||||||
| Plan to wait and see if it is safe and may get it later | 55.5 | (53.4, 57.6) | 59.7 | (57.3, 62.1) | 58.6 | (56.1, 61.0) | 58.7 | (55.7, 61.6) | 54.6 | (52.4, 56.8) | 56.0 | (53.0, 59.0 | 0.5 | (−3.2, 4.2) |
| Concerned about possible side effects | 52.6 | (50.6, 54.6) | 54.3 | (51.5, 57.1) | 52.5 | (50.5, 54.6) | 51.9 | (49.8, 53.9) | 51.1 | (48.6, 53.5) | 51.1 | (48.2, 54.0) | −1.5 | (−5.0, 2.0) |
| Other people need it more right now | 25.8 | (23.9, 27.8) | 27.4 | (25.5, 29.3) | 27.2 | (24.8, 29.6) | 27.5 | (25.3, 29.8) | 26.9 | (24.9, 28.9) | 25.4 | (23.2, 27.6) | −0.4 | (−3.3, 2.5) |
| Don’t know if a vaccine will work | 22.3 | (20.4, 24.3) | 24.0 | (22.0, 26.1) | 22.6 | (20.7, 24.6) | 21.2 | (19.1, 23.3) | 20.2 | (18.5, 21.9) | 20.6 | (18.4, 22.7) | −1.7 | (−4.6, 1.2) |
| Don’t trust the government | 20.3 | (18.6, 22.1) | 19.1 | (17.2, 21.1) | 20.6 | (18.7, 22.4) | 19.7 | (17.6, 21.9) | 19.6 | (17.3, 21.8) | 18.0 | (16.3, 19.7) | −2.3 | (−4.7, 0.1) |
| Don’t trust COVID-19 vaccines | 23.1 | (21.2, 24.9) | 24.1 | (22.0, 26.2) | 25.7 | (23.5, 27.9) | 26.3 | (24.0, 28.6) | 24.7 | (22.4, 26.9) | 25.0 | (22.8, 27.2) | 1.9 | (−1.0, 4.8) |
| Concerned about the cost | 6.5 | (5.3, 7.7) | 8.5 | (6.9, 10.2) | 5.3 | (4.2, 6.5) | 5.8 | (4.3, 7.3) | 4.4 | (3.3, 5.4) | 4.7 | (3.9, 5.6) | −1.8 | (−3.3, −0.3) |
| Don’t like vaccines | 11.1 | (9.5, 12.8) | 9.0 | (7.7, 10.2) | 9.3 | (7.9, 10.8) | 9.3 | (7.8, 10.8) | 10.1 | (8.4, 11.8) | 10.6 | (9.0, 12.3) | −0.5 | (−2.8, 1.8) |
| Don’t believe I need a vaccine | 14.7 | (13.0, 16.4) | 14.4 | (12.7, 16.1) | 15.5 | (13.7, 17.2) | 19.0 | (16.7, 21.3) | 19.8 | (17.5, 22.1) | 20.5 | (17.9, 23.1) | 5.8 | (2.7, 8.9) |
| Doctor has not recommended it | 7.5 | (6.3, 8.8) | 7.7 | (6.1, 9.3) | 7.0 | (5.8, 8.3) | 6.6 | (5.6, 7.7) | 7.4 | (6.3, 8.6) | 6.9 | (5.3, 8.4) | −0.6 | (−2.6, 1.4) |
| Other reason for not getting vaccine | 9.4 | (8.0, 10.8) | 8.6 | (7.6, 9.6) | 10.9 | (9.2, 12.5) | 10.3 | (9.0, 11.6) | 9.7 | (8.3, 11.1) | 10.7 | (8.5, 12.9) | 1.3 | (−1.3, 3.9) |
| Definitely not | ||||||||||||||
| Plan to wait and see if it is safe and may get it later | 25.2 | (22.7, 27.7) | 22.4 | (20.4, 24.4) | 20.3 | (18.4, 22.2) | 21.6 | (19.9, 23.3) | 21.4 | (19.3, 23.6) | 20.4 | (18.2, 22.6) | −4.8 | (−8.1, −1.5) |
| Concerned about possible side effects | 46.3 | (43.4, 49.1) | 49.1 | (45.9, 52.3) | 49.7 | (46.9, 52.5) | 48.5 | (46.0, 51.1) | 46.5 | (43.6, 49.5) | 46.5 | (43.2, 49.8) | 0.2 | (−4.2, 4.6) |
| Other people need it more right now | 12.0 | (10.3, 13.8) | 13.5 | (12.0, 15.0) | 13.8 | (12.0, 15.5) | 14.1 | 11.6, 16.5) | 10.5 | (8.8, 12.2) | 11.2 | (9.2, 13.3) | −0.8 | (−3.5, 1.9) |
| Don’t know if a vaccine will work | 25.1 | (22.7, 27.4) | 21.7 | (19.8, 23.6) | 25.4 | (23.0, 27.8) | 22.2 | (19.8, 24.7) | 24.1 | (21.0, 27.3) | 20.1 | (17.4, 22.8) | −5.0 | (−8.6, −1.4) |
| Don’t trust the government | 38.2 | (35.4, 40.9) | 39.4 | (36.3, 42.5) | 40.2 | (37.3, 43.1) | 41.5 | (38.6, 44.3) | 41.3 | (37.9, 44.8) | 40.1 | (37.3, 42.8) | 1.9 | (−2.0, 5.8) |
| Don’t trust COVID-19 vaccines | 47.4 | (44.6, 50.1) | 47.1 | (44.3, 49.9) | 48.6 | (46.1, 51.2) | 52.3 | (49.7, 55.0) | 50.7 | (47.4, 53.9) | 47.9 | (45.0, 50.9) | 0.5 | (−3.5, 4.5) |
| Concerned about the cost | 4.5 | (3.3, 5.7) | 3.4 | (2.7, 4.1) | 3.8 | (2.7, 4.8) | 3.4 | (2.3, 4.5) | 3.2 | (2.1, 4.3) | 3.1 | (1.7, 4.6) | −1.4 | (−3.3, 0.5) |
| Don’t like vaccines | 19.7 | (17.5, 21.9) | 17.5 | (15.4, 19.5) | 21.0 | (18.4, 23.6) | 20.2 | (18.2, 22.3) | 18.9 | (16.2, 21.6) | 19.2 | (16.4, 22.0) | −0.5 | (−4.1, 3.1) |
| Don’t believe I need a vaccine | 29.7 | (26.9, 32.6) | 28.7 | (26.3, 31.1) | 32.9 | (29.9, 35.9) | 32.2 | (29.6, 34.8) | 35.4 | (32.7, 38.1) | 35.3 | (32.0, 38.6) | 5.6 | (1.2, 10.0) |
| Doctor has not recommended it | 6.3 | (4.8, 7.8) | 7.1 | (6.0, 8.2) | 8.1 | (6.3, 9.9) | 6.4 | (5.3, 7.5) | 6.6 | (5.4, 7.9) | 5.2 | (3.8, 6.7) | −1.1 | (−3.2, 1.0) |
| Other reason for not getting vaccine | 15.5 | (13.6, 17.4) | 16.9 | (14.8, 19.1) | 17.3 | (15.2, 19.4) | 17.1 | (15.2, 19.1) | 20.7 | (18.0, 23.3) | 19.9 | (17.6, 22.3) | 4.4 | (1.4, 7.4) |
Note. CIs for differences that exclude zero are statistically significant (p < 0.05).