TABLE 1

Demographic Characteristics of Parents Who Reported Vaccine Doubt Indicators (Unsure, Delayed, or Refused) and Those Who Did Not

Characteristicn (%)P
No Doubt IndicatorsUnsureDelayedRefused
Total2815349526234
Gender of childa
    Male1418 (50.8)176 (53.0)268 (52.3)113 (48.3).87
    Female1397 (49.2)173 (47.0)258 (47.7)121 (51.7)
Age of childa
    19–24 mo1046 (34.3)148 (37.4)221 (42.6)90 (30.7).03
    25–29 mo836 (29.6)102 (35.3)136 (22.6)70 (32.7)
    30–35 mo933 (36.1)99 (27.3)169 (34.8)74 (36.6)
First-born childa
    Yes1050 (38.7)145 (40.6)177 (32.8)93 (38.3).39
    No1765 (61.3)204 (59.4)349 (67.2)141 (61.7)
Age of mothera
    <30 y1382 (52.4)110 (28.3)238 (48.5)83 (33.0)<.01
    ≥30 y1433 (47.6)239 (71.7)288 (51.5)151 (67.0)
Incomea
    $0 to $30 0001167 (39.8)115 (30.1)214 (40.0)71 (27.3)<.01
    $30 001 to $50 000465 (18.6)57 (18.1)99 (21.5)56 (27.6)
    $50 001 to $75 000374 (12.3)60 (20.4)74 (10.7)41 (13.0)
    $75 001 or more434 (14.8)91 (23.8)90 (15.9)51 (27.2)
    Do not know/refused375 (14.5)26 (7.6)49 (11.9)15 (4.9)
Education of mothera
    ≤12 y1437 (57.4)127 (37.9)235 (54.2)71 (33.9)<.01
    Some college492 (19.7)70 (24.4)102 (19.5)56 (30.5)
    College graduate886 (22.9)152 (37.7)189 (26.3)107 (35.6)
No. of children in householda
    1732 (27.8)104 (26.2)118 (21.2)59 (24.3).27
    2 or 31734 (59.7)199 (62.7)321 (60.9)139 (60.2)
    ≥4349 (12.5)46 (11.1)87 (17.9)36 (15.5)
Mother's marital statusa
    Married1903 (67.3)262 (76.8)366 (66.5)184 (80.5)<.01
    Not married912 (32.7)87 (23.2)160 (33.5)50 (19.5)
Maternal race/ethnicitya,b
    Non-Hispanic white1102 (51.1) (62.7)197 (65.7) (10.7)276 (65.2) (16.7)158 (83.9) (9.7)<.01
    Non-Hispanic black538 (14.0) (75.9)52 (15.0) (11.0)81 (9.1) (10.3)29 (5.6) (2.8)
    Hispanic996 (28.2) (82.3)82 (13.8) (5.4)131 (17.7) (10.8)37 (5.4) (1.5)
    Other179 (6.7) (69.8)18 (5.5) (7.6)38 (8.0) (17.6)10 (5.1) (5.0)
Census regiona
    Northeast399 (15.8)58 (20.0)72 (17.4)38 (19.3).02
    Midwest519 (19.6)84 (22.9)130 (28.0)65 (31.2)
    South1169 (39.4)121 (31.0)200 (33.2)67 (26.7)
    West728 (25.2)86 (26.1)124 (21.4)64 (22.8)
Respondent's relationship to child
    Mother2430 (84.4)305 (86.7)459 (86.9)207 (88.9).02
    Father282 (10.6)33 (12.0)44 (9.0)26 (9.6)
    Other103 (5.0)11 (1.3)23 (4.1)1 (1.5)
  • For purposes of analysis, parents were classified according to the greatest level of doubt expressed, in increasing order, that is, got a vaccination for their child even although they were not sure it was the best thing to do (“unsure”), delayed a vaccination for their child (“delayed”), or decided not to have their child get a vaccination (“refused”). Specifically, parents who responded yes to >1 of the questions of interest were counted only as responding to that indicating the greatest level of doubt. P values are significant at <.05.

  • a Factors were included in the logistic regression model.

  • b Row percentage values also are listed for maternal race/ethnicity.