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. Author manuscript; available in PMC: 2016 May 11.
Published in final edited form as: Vaccine. 2015 Mar 31;33(20):2316–2321. doi: 10.1016/j.vaccine.2015.03.053

Table 2.

Odds of Infants Born within the University of Iowa Hospitals and Clinics healthcare system not receiving Hepatitis B Vaccination Prior to Hospital Discharge

N Odds Ratio (95% CI) Adjusted Odds Ratio (95% CI)a
Maternal Age Group
 15-20 149 1.00 (Ref) 1.00 (Ref)
 21-30 2394 0.57 (0.35 - 0.93) 0.67 (0.41 - 1.10)
 31-40 2796 0.54 (0.34 - 0.88) 0.75 (0.45 - 1.26)
 41-53 324 0.69 (0.39 - 1.24) 0.94 (0.51 - 1.75)

Marital Status
 Married 4016 1.00 (Ref) 1.00 (Ref)
 Single 1413 1.75 (1.43 - 2.13) 1.72 (1.35 - 2.19)
 Other 234 1.24 (0.78 - 1.98) 1.25 (0.78 - 2.02)

Race
 Caucasian 4189 1.00 (Ref) 1.00 (Ref)
 African-American 388 1.00 (0.70 - 1.42) 0.78 (0.53 - 1.13)
 Hispanic 409 0.46 (0.29 - 0.74) 0.29 (0.14 - 0.61)
 Asian 377 0.37 (0.21 - 0.63) 0.41 (0.24 - 0.71)
 Other 300 0.61 (0.37 - 0.98) 0.40 (0.24 - 0.67)

Ethnicity
 Non-Hispanic 4398 1.00 (Ref) 1.00 (Ref)
 Hispanic 336 0.60 (0.37 - 0.99) 1.55 (0.69 - 3.46)
 Unknown 929 1.58 (1.27 - 1.98) 1.84 (1.45 - 2.35)

Health Insurance
 Employer/School Based 2517 1.00 (Ref) 1.00 (Ref)
 State Assisted/VA 817 1.48 (1.14 - 1.93) 1.11 (0.82 - 1.49)
 None/Not on File 2329 1.15 (0.94 - 1.41) 0.99 (0.80 - 1.24)

Univariate and multivariate regression models are modelling the outcome of no vaccination

a

Models adjusted for all other demographics in this table