Table 2.

Population estimates and changes in decisions for vaccination of youngest child with recommended non-influenza vaccines.

	2012 (n = 2603)		2014 (n = 2518, missing = 1)		Diff^†
	Unwt. N	Weighted Pop. Est. (95% CI)	Unwt. N	Weighted Pop. Est.% (95% CI)
Accepted	2265	89.2% (87.3, 90.8)	2234	90.8% (89.3, 92.1)	1.6%
Accepted all recommended vaccines¹	2189	86.9% (85.0, 88.7)	2146	86.9% (85.1, 88.6)	0.0%
Actively working to catch up on all recommended vaccines²	76	2.3% (1.7, 3.0)	88	3.9% (2.9, 5.1)	1.6%^*
Delayed	191	5.5% (4.5, 6.6)	171	5.6% (4.6, 6.9)	0.1%
Delayed one or more recommended vaccines³	163	4.7% (3.8, 5.8)	146	5.0% (4.0, 6.3)	0.3%
Delayed all recommended vaccines⁴	28	0.7% (0.5, 1.2)	25	0.6% (0.4, 1.0)	−0.1%
Refused	147	5.4% (4.1, 6.9)	112	3.6% (2.8, 4.5)	−1.8%^*
Refused one or more recommended vaccines⁵	62	2.5% (1.7, 3.7)	41	1.1% (0.8, 1.7)	−1.4%^*
Refused and delayed some recommended vaccines⁶	29	1.1% (0.6, 2.1)	23	0.6% (0.3, 1.0)	−0.5%
Refused all recommended vaccines⁷	56	1.8% (1.2, 2.7)	48	1.8% (1.3, 2.7)	0.1%

Unwt. N = Unweighted Frequency.

Weighted Pop. Est. = Weighted U.S. population estimate.

CI = Confidence Interval.

^†

Difference in estimated percentage.

P-value < 0.05.

My child received all of his/her vaccines at the time(s) they were recommended, or indicated delaying or refusing only influenza.

My child has not received all of his/her vaccines at the time(s) they were recommended but I am actively working to catch up.

I chose to delay, or get later, one or more, but not all of the recommended vaccines at the time(s) they were recommended.

⁴

I chose to delay all of the recommended vaccines at the time(s) they were recommended.

⁵

I chose to refuse, or never get, one or more, but not all, of the recommended vaccines at the time(s) they were recommend.

⁶

I chose to refuse and delay some of the vaccines for my child at the time(s) they were recommended.

⁷

I chose to refuse all of the recommended vaccines at the time(s) they were recommended.