Table 1.

Characteristics of pregnant women from 2012 to 2018. by influenza vaccine coverage.

N = 1942	Did Not Receive Influenza Vaccine	Received Influenza Vaccine	Crude PR

Age	% [95% CI]	% [95% CI]	PR % [95% CI]
18–29	58.23 [54.21, 62.15]	55.39 [50.97, 59.73]	Reference
30–39	37.54 [33.67, 41.58]	41.74 [37.43, 46.19]	1.10 [0.95, 1.28]
40–49	4.23 [2.97, 5.98]	2.86 [1.84, 4.43]	0.80 [0.53, 1.21]
Race/Ethnicity
Non-Hispanic White	54.06 [49.80, 58.26]	65.07 [60.60, 69.30]	Reference
Non-Hispanic Black	12.74 [10.51, 15.36]	12.89 [9.71, 16.91]	0.90 [0.71, 1.15]
Latina	24.02 [20.83, 27.52]	15.20 [12.38, 18.54]	0.66 [0.53, 0.82]^***
Other^a	9.18 [7.36, 11.40]	6.83 [5.02, 9.23]	0.74 (0.56, 0.98)^*
Education
Less than HS Degree	16.36 [13.80, 19.29]	8.47 [5.87, 12.06]	Reference
HS Degree of Equivalent	56.53 [52.43, 60.55]	45.11 [40.45, 49.86]	1.36 [0.97, 1.90]
College Degree	17.5 [14.91, 20.43]	27.09 [23.19, 31.38]	2.01 [1.43, 2.81]^***
Graduate School	9.61 [7.63, 12.03]	19.33 [15.83, 23.39]	2.27 [1.61, 3.20)^***
Ratio of Income to FPL Thresholds
Less Than or Equal to 138%	34.12 [30.65, 37.77]	19.36 [15.65, 23.70]	Reference
139% to 400%	41.49 [37.36, 45.75]	36.40 [31.93, 41.13]	1.35 [1.07, 1.70]^*
Greater Than 400%	24.39 [21.35, 27.70]	44.24 [39.58, 49.00]	2.02 [1.64, 2.49]^***
Region
Northeast	14.53 [12.00, 17.49]	17.48 [14.39, 21.05]	Reference
North Central/Midwest	23.18 [19.00, 27.96]	25.34 [21.63, 29.46]	0.95 [0.74, 1.21]
South	39.42 [35.63, 43.35]	34.48 [30.08, 39.17]	0.82 [0.67, 1.02]
West	22.87 [19.83, 26.21]	22.7 [18.97, 26.90]	0.89 [0.71, 1.12]
Insurance Status
Uninsured	10.50 [8.26, 13.25]	3.02 [1.95, 4.65]	Reference
Insured	89.50 [86.75, 91.74]	96.98 [95.35, 98.05]	2.64 [1.71, 4.07]^***
Delayed Care Due to Cost in the Past 12 Months
No	92.48 [90.41, 94.14]	96.08 [93.89, 97.51]	Reference
Yes	7.52 [5.86, 9.59]	3.92 [2.49, 6.11]	0.62 [0.42, 0.93]^*
Co-Morbid Conditions^b
No	88.63 [86.25, 90.64]	90.71 [87.73, 93.03]	Reference
Yes	11.37 [9.36, 13.75]	9.29 [6.97, 12.27]	0.87 [0.68, 1.11]
Unweighted N	1214	728
Weighted Percentage	61.27	38.73

Crude prevalence ratios calculated with robust Poisson regression using survey-weighted data, Data Source: National Health Interview Survey. 2012 to 2018.

^***

p < 0.001:

^**

p < 0.01

p < 0.05.

^a)

Includes Native American. Asian. Multi-Racial, and Other.

^b)

Defined as an asthma attack in the past 12 months, a diagnosis of hypertension (based on at least two provider visits), or diabetes requinng medications (either insulin or oral medications).