Table 2

Adjusted ORs with corresponding 95% CIs for factors associated with ever COVID-19 diagnosis and being fully vaccinated among all healthcare workers in the US

Indicator	Category	Ever diagnosed		Fully vaccinated
Indicator	Category	AOR (95% CI)	P value	AOR (95% CI)	P value
COVID-19 vaccination status	Fully vaccinated (reference category)
	Partially vaccinated	1.82 (1.36 to 2.43)*	<0.001	n/a	n/a
	Unvaccinated	2.65 (2.05 to 3.42)*	<0.001	n/a	n/a
Type of healthcare facility	Hospital (reference category)
	Nursing and residential healthcare facility	1.35 (1.13 to 1.62)*	0.001	0.79 (0.63 to 0.98)*	0.034
	Pharmacy	0.92 (0.62 to 1.35)	0.656	1.14 (0.78 to 1.67)	0.492
	Ambulatory healthcare (eg, doctor, dentist or mental health specialist office, outpatient facility, medical and diagnostic laboratory, home healthcare)	0.89 (0.76 to 1.05)	0.163	1.02 (0.85 to 1.23)	0.821
Highest educational attainment	Doctoral/professional/master’s degree (reference category)
	College degree	1.13 (0.97 to 1.31)	0.121	0.68 (0.54 to 0.84)*	0.001
	Associate degree	1.49 (1.23 to 1.81)*	<0.001	0.35 (0.28 to 0.44)*	<0.001
	Some college	1.44 (1.19 to 1.73)*	<0.001	0.33 (0.26 to 0.41)*	<0.001
	High school graduate	1.05 (0.81 to 1.37)	0.710	0.26 (0.19 to 0.35)*	<0.001
	<High school	2.51 (1.35 to 4.66)*	0.004	0.37 (0.20 to 0.67)*	0.001
Employer	Private sector (reference category)
	Government	0.80 (0.62 to 1.03)	0.085	0.88 (0.66 to 1.19)	0.424
	Non-profit organisation	0.82 (0.69 to 0.97)*	0.020	1.50 (1.21 to 1.85)*	<0.001
	Self-owned or family-owned	0.84 (0.60 to 1.18)	0.324	0.73 (0.50 to 1.05)	0.091
	Other	1.05 (0.82 to 1.34)	0.681	1.25 (0.95 to 1.64)	0.115
Race/ethnicity	White, non-Hispanic (reference category)
	Hispanic	1.36 (1.09 to 1.71)*	0.007	1.00 (0.76 to 1.31)	0.995
	Black, non-Hispanic	1.27 (1.03 to 1.57)*	0.028	1.05 (0.82 to 1.36)	0.681
	Asian, non-Hispanic	0.86 (0.64 to 1.17)	0.333	2.19 (1.30 to 3.67) ^*	0.003
	Other, non-Hispanic	1.32 (0.85 to 2.06)	0.215	0.69 (0.48 to 0.98)	0.041
Gender	Male (reference category)
	Female	1.12 (0.95 to 1.32)	0.186	1.01 (0.82 to 1.23)	0.955
	Transgender	1.04 (0.40 to 2.73)	0.936	1.80 (0.56 to 5.73)	0.321
	Other	0.63 (0.23 to 1.73)	0.375	0.91 (0.40 to 2.09)	0.829
Age, y	18–24 (reference category)
	25–44	1.07 (0.74 to 1.55)	0.715	1.02 (0.70 to 1.49)	0.900
	45–64	0.98 (0.66 to 1.46)	0.937	1.74 (1.16 to 2.59)*	0.007
	≥65	0.57 (0.36 to 0.91)*	0.018	1.34 (0.81 to 2.19)	0.252
Household structure	Married, no children in household (reference category)
	Married, ≥1 child in household	1.18 (0.98 to 1.42)	0.076	0.60 (0.48 to 0.75) ^*	<0.001
	Widowed/divorced/separated, no children in household	1.21 (0.95 to 1.53)	0.116	1.00 (0.75 to 1.32)	0.954
	Widowed/divorced/separated, ≥1 child in household	1.34 (1.04 to 1.73) ^*	0.026	0.59 (0.43 to 0.80) ^*	<0.001
	Single, no children in household	0.92 (0.71 to 1.18)	0.497	0.94 (0.70 to 1.27)	0.684
	Single, ≥1 child in household	1.08 (0.78 to 1.50)	0.648	0.37 (0.28 to 0.51) ^*	<0.001
	Unknown marital status	0.63 (0.23 to 1.69)	0.356	3.43 (1.24 to 9.50) ^*	0.018
US census region	Northeast (reference category)
	South	1.01 (0.83 to 1.24)	0.891	0.58 (0.45 to 0.75) ^*	<0.001
	Midwest	1.06 (0.87 to 1.29)	0.589	0.59 (0.45 to 0.77) ^*	<0.001
	West	0.86 (0.68 to 1.08)	0.188	0.78 (0.59 to 1.04)	0.092
Housing type	Multi-unit apartment (reference category)
	Mobile housing†	1.36 (0.90 to 2.05)	0.140	0.59 (0.39 to 0.88) ^*	0.011
	A one-family house detached from any other house	1.08 (0.88 to 1.32)	0.455	0.93 (0.73 to 1.18)	0.558
	A one-family house attached to one or more houses	1.14 (0.84 to 1.56)	0.395	1.17 (0.79 to 1.74)	0.438
	Unknown housing	1.21 (0.93 to 1.56)	0.155	0.80 (0.60 to 1.08)	0.144
Study period	HPS week 34, 21 July 2021–2 August 2021 (reference category)
	HPS week 35, 4 August 2021–16 August 2021	0.98 (0.76 to 1.25)	0.866	1.22 (0.92 to 1.62)	0.166
	HPS week 36, 18 August 2021–30 August 2021	0.93 (0.74 to 1.16)	0.502	0.99 (0.76 to 1.29)	0.963
	HPS week 37, 1 September 2021–13 September 2021	0.94 (0.74 to 1.18)	0.582	0.92 (0.70 to 1.21)	0.536
	HPS week 38, 15 September 2021–27 September 2021	1.02 (0.83 to 1.26)	0.852	1.15 (0.91 to 1.47)	0.245
	HPS week 39, 29 September 2021–11 October 2021	0.95 (0.75 to 1.21)	0.679	1.32 (0.98 to 1.79)	0.070

Note: Regression analysis controlled for all factors listed in table.
(n=25 909), Household Pulse Survey, 21 July 2021–11 October 2021.
*P<0.05.
†Also includes adults living in a vehicle such as a ‘Boat, RV, van, etc’.
HPS, Household Pulse Survey; n/a, not available.