Table 4.

Multivariable Estimates.

	Hypothesis 1	Hypothesis 2
Characteristic	Incidence rate ratio [95% confidence interval]	Odds ratio [95% confidence interval]
Trust level
Less trusting	Referent	Referent
Trusting	0.89 [0.82, 0.97]*	2.47 [1.51, 4.04]*
Maternal age (1 year increment)	1 [0.99, 1.0]	0.96 [0.91, 1.02]
No. of children	1.05 [1.00, 1.09]*	1.18 [0.84, 1.66]
Marital status
Single or divorced	Referent	Referent
Married or partnered	0.96 [0.80, 1.15]	1.00 [0.38, 2.64]
Education
Less than 4-year college degree	Referent	Referent
4-year college or more	1.14 [1.02, 1.28]*	1.10 [0.55, 2.19]
Annual household income
<$75,000	Referent	Referent
≥$75,000	0.98 [0.87, 1.04]	1.40 [0.76, 2.58]
Ethnicity
Non-Hispanic	Referent	Referent
Hispanic	0.98 [0.83, 1.16]	0.40 [0.16, 1.03]
Race
White	Referent	Referent
Asian	0.95 [0.85, 1.06]	0.69 [0.34, 1.37]
Black	1.02 [0.77, 1.37]	3.37 [0.41, 27.59]
Mixed/other	1.05 [0.92, 1.2]	0.59 [0.26, 1.32]
Duration of relationship with doctor (months)	1.0 [0.99, 1.0]	1.0 [0.99, 1.0]

Note. Characteristics associated with number of vaccine information sources used (Hypothesis 1) and listing child’s pediatrician as main vaccine information source (Hypothesis 2).

^*p < .05.