TABLE 3

Final Multivariate Analysis of Variables Influencing Unsure, Delayed, and Refused Parents

Predictor VariableAdjusted Odds Ratio (95% Confidence Interval)
UnsureDelayedRefused
Mother's age
    <30 y1.00 (reference)
    ≥30 y2.82 (1.46–5.47)
Maternal race/ethnicity
    Non-Hispanic white1.00 (reference)1.00 (reference)
    Non-Hispanic black1.09 (0.45–2.65)0.12 (0.04–0.39)
    Hispanic0.36 (0.15–0.85)0.15 (0.04–0.49)
    Other0.47 (0.11–2.09)0.78 (0.17–3.58)
Age of child
    19–24 mo1.00 (reference)1.00 (reference)1.00 (reference)
    25–29 mo0.94 (0.50–1.75)0.49 (0.26–0.91)2.76 (1.30–5.88)
    30–35 mo0.53 (0.29–0.98)0.84 (0.47–1.50)2.60 (1.30–5.19)
Census region
    South1.00 (reference)
    West2.39 (1.22–4.65)
    Midwest1.15 (0.58–2.27)
    Northeast1.49 (0.76–2.95)
Vaccination might not be safe or might have serious side effects
    Not concerned1.00 (reference)1.00 (reference)1.00 (reference)
    Concerned2.20 (1.10–4.41)2.51 (1.39–4.56)2.25 (1.03–4.93)
No. of children in household
    11.00 (reference)
    2 or 33.46 (1.41–8.48)
    ≥45.18 (1.66–16.20)
Maternal marital status
    Married1.00 (reference)
    Not married2.14 (1.08–4.26)