Adjusted ORs with corresponding 95% CIs for factors associated with vaccine uncertainty among unvaccinated healthcare workers in the U.S.
| Indicator | Category | AOR (95% CI) | P value |
| Type of healthcare facility | Hospital (reference category) | ||
| Nursing and residential healthcare facility | 0.84 (0.38 to 1.86) | 0.665 | |
| Pharmacy | 3.67 (1.05 to 12.82)* | 0.042 | |
| Ambulatory healthcare (eg, doctor, dentist or mental health specialist office, outpatient facility, medical and diagnostic laboratory, home healthcare) | 0.50 (0.28 to 0.89)* | 0.018 | |
| Highest educational attainment | Doctoral/professional/master’s degree (reference category) | ||
| College degree | 1.30 (0.48 to 3.52) | 0.608 | |
| Associate degree | 0.75 (0.31 to 1.81) | 0.522 | |
| Some college | 1.25 (0.50 to 3.14) | 0.640 | |
| High school graduate | 0.55 (0.21 to 1.40) | 0.210 | |
| <High school | 0.19 (0.03 to 1.03) | 0.054 | |
| Employer | Private sector (reference category) | ||
| Government | 0.64 (0.22 to 1.86) | 0.416 | |
| Non-profit organisation | 0.46 (0.24 to 0.87)* | 0.017 | |
| Self- or family-owned practice | 0.57 (0.24 to 1.38) | 0.214 | |
| Other | 0.29 (0.13 to 0.61)* | 0.001 | |
| Race/ethnicity | White, non-Hispanic (reference category) | ||
| Hispanic | 0.98 (0.43 to 2.25) | 0.964 | |
| Black, non-Hispanic | 0.33 (0.17 to 0.67)* | 0.002 | |
| Asian, non-Hispanic | 0.34 (0.07 to 1.65) | 0.180 | |
| Other, non-Hispanic | 1.35 (0.50 to 3.67) | 0.554 | |
| Gender | Male (reference category) | ||
| Female | 1.29 (0.64 to 2.61) | 0.473 | |
| Age, years | 18–24 (reference category) | ||
| 25–44 | 2.26 (0.91 to 5.61) | 0.078 | |
| 45–64 | 3.18 (1.11 to 9.13)* | 0.032 | |
| ≥65 | 5.25 (1.25 to 22.03)* | 0.023 | |
| Household structure | Married, no children in household (reference category) | ||
| Married, ≥1 child in household | 1.08 (0.48 to 2.43) | 0.849 | |
| Widowed/divorced/separated, no children in household | 0.80 (0.27 to 2.36) | 0.683 | |
| Widowed/divorced/separated, ≥1 child in household | 2.03 (0.55 to 7.54) | 0.291 | |
| Single, no children in household | 1.53 (0.59 to 3.96) | 0.381 | |
| Single, ≥1 child in household | 1.04 (0.41 to 2.65) | 0.929 | |
| US census region | Northeast (reference category) | ||
| South | 0.49 (0.19 to 1.24) | 0.130 | |
| Midwest | 1.27 (0.43 to 3.78) | 0.662 | |
| West | 0.45 (0.16 to 1.23) | 0.121 | |
| Housing type | Multi-unit apartment (reference category) | ||
| Mobile housing† | 9.49 (2.27 to 39.69) * | 0.002 | |
| A one-family house detached from any other house | 2.82 (1.37 to 5.80)* | 0.005 | |
| A one-family house attached to one or more houses | 1.88 (0.65 to 5.46) | 0.245 | |
| Unknown housing | 3.16 (1.36 to 7.36)* | 0.008 | |
| Ever COVID-19 diagnosis | No (reference category) | ||
| Yes | 0.75 (0.46 to 1.22) | 0.241 | |
| Not sure | 0.52 (0.05 to 5.01) | 0.573 | |
| Study period | HPS week 34, 21 July 2021–2 August 2021 (reference category) | ||
| HPS week 35, 4 August 2021–16 August 2021 | 1.13 (0.52 to 2.48) | 0.759 | |
| HPS week 36, 18 August 2021–30 August 2021 | 1.67 (0.75 to 3.71) | 0.205 | |
| HPS week 37, 1 September 2021–13 September 2021 | 0.81 (0.34 to 1.90) | 0.621 | |
| HPS week 38, 15 September 2021–27 September 2021 | 1.18 (0.60 to 2.30) | 0.635 | |
| HPS week 39, 29 September 2021–11 October 2021 | 1.52 (0.56 to 4.07) | 0.410 |
Note: Regression analysis controlled for all factors listed in table.
(n=1872), Household Pulse Survey, July 2021 to 11 October 2021.
*P<0.05.
†Also includes adults living in a vehicle such as a ‘Boat, RV, van, etc’.
HPS, Household Pulse Survey.