Table 3: Statistically significant differences between pre- and postintervention study providers.

VariablePreintervention study (%)Postintervention study (%) value

Received ACOG’s immunization toolkit mailings67.084.5<.001
Valuable immunization resources to include in future toolkit mailings
 Clinical guidelines from ACOG71.258.0.001
 Coding information and tips30.718.0<.001
 Reimbursement information and tips15.29.4<.001
Barriers to offering immunizations
 Lack of access to patient records7.53.7.048
 Lack of patient interest29.937.5.043
Use standing orders for immunizations36.546.6.011
Routinely offer Tdap to all pregnant patients59.376.8<.001
Common reasons patients decline vaccinations
 They do not think they need vaccines70.480.6.003
Percentage of patients that decline vaccinations
 Less than one-third64.476.5.001
Receive annual influenza vaccination themselves90.796.1.024
Require staff to receive annual influenza vaccination78.186.2.011

ACOG, American College of Obstetricians and Gynecologists; Tdap, tetanus-diphtheria-acellular pertussis.
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