Table 2.

Means of Potential Important Predictors of Vaccine Behavior across Levels of Vaccine Uptake Frequency

	Overall					White				Black
Potential Predictors of Flu Vaccine Behavior	Every year	Most years	Once/ twice	Never	Homogeneous Subsets	Every year	Most years	Once/ twice	Never	Every year	Most years	Once/ twice	Never
Gender	1.51	1.67	1.62	1.44	41<13<32	1.47	1.56	1.53	1.39	1.55	1.77	1.69	1.48
Age	3.46	2.85	2.84	3.01	324<1	3.58	2.94	3.13	3.20	3.29	2.77	2.61	2.85
Education	2.62	2.58	2.56	2.57	3421	2.80	2.96	2.60	2.71	2.38	2.21	2.53	2.45
Income	2.73	2.67	2.27	2.58	34<421	2.85	2.83	2.45	2.71	2.57	2.50	2.14	2.46
MacArthur Scale of Subjective Social Status²⁵	3.19	3.26	2.88	3.03	34<412	3.31	3.26	2.83	2.98	3.02	3.27	2.93	3.07
Medical care	.98	.90	.88	.91	324<41	.98	.96	.95	.93	.98	.83	.82	.89
Insurance coverage	.96	.90	.85	.85	342<21	.98	.92	.93	.84	.95	.88	.78	.86
Racial fairness	3.81	3.61	3.40	3.43	342<21	4.20	4.17	3.76	3.84	3.27	3.06	3.10	3.08
Racial consciousness	1.93	2.25	2.24	2.22	1<432	1.82	2.01	1.93	2.10	2.09	2.49	2.50	2.32
Frequency of discrimination	1.15	1.26	1.29	1.18	142<423	1.06	1.11	1.08	1.08	1.28	1.42	1.47	1.28
Impact of discrimination	1.16	1.35	1.39	1.31	142<423	1.03	1.19	1.10	1.19	1.35	1.50	1.64	1.42
Self-reported vaccine knowledge	3.66	3.44	3.19	2.86	4<32<21	3.73	3.38	3.05	2.85	3.56	3.50	3.29	2.87
Specific vaccine knowledge	6.11	5.54	5.52	5.21	432<1	6.32	6.00	5.98	5.46	5.83	5.08	5.16	4.99
Knowledge of recommendations	4.07	3.35	3.04	2.38	4<32<1	3.95	3.77	3.30	2.37	4.24	2.94	2.84	2.39
Flu vaccine attitude	4.60	3.77	3.58	2.81	4<32<1	4.73	4.04	3.60	2.79	4.43	3.50	3.57	2.83
Naturalism	1.11	1.35	1.70	1.75	1<2<34	1.04	1.17	1.53	1.71	1.21	1.52	1.85	1.78
Trust in flu vaccine	4.01	3.49	2.92	2.16	4<3<2<1	4.12	3.63	2.85	2.13	3.86	3.35	2.98	2.19
Perceived risk of disease	2.71	2.33	2.07	1.53	4<3<2<1	2.75	2.26	1.98	1.57	2.65	2.40	2.15	1.49
Perceived risk of side effects	1.46	1.79	2.08	2.39	1<2<3<4	1.34	1.63	1.94	2.43	1.63	1.94	2.19	2.35
Descriptive norm (general pop.)	2.98	3.00	2.79	2.94	3412	2.88	2.75	2.62	2.67	3.13	3.26	2.94	3.17
Descriptive norm (own race)	2.96	2.90	2.74	2.66	432<321	3.24	2.98	2.79	2.66	2.56	2.82	2.69	2.66
Subjective norms	3.96	3.04	2.49	1.86	4<3<2<1	4.22	3.10	2.50	1.64	3.57	2.98	2.48	2.07
General vaccine hesitancy	1.30	1.64	1.90	2.52	1<2<3<4	1.22	1.52	1.80	2.44	1.41	1.75	1.98	2.59
Flu vaccine hesitancy	1.56	1.96	2.11	1.68	14<23	1.38	1.93	1.86	1.75	1.82	2.00	2.31	1.61
Barriers	1.44	1.75	2.02	2.32	1<2<3<4	1.41	1.67	2.18	2.34	1.50	1.83	1.90	2.30
Flu vaccine confidence	3.65	3.29	3.00	2.57	4<3<2<1	3.68	3.29	2.90	2.40	3.60	3.28	3.09	2.72

Note. The homogeneous subsets were obtained through Tukey’s HSD tests. The numbers shown in the homogeneous subsets column represent the responses to the flu vaccine behavior outcome for the overall high-risk sample: 1 = Every year, 2 = Most years, 3 = Once or twice, 4 = Never