Table 1.

Parents' Perception of Disease Severity, Likelihood of Infection If Not Immunized, and Concern About Side Efects From Immunizations*

DiseasePerceived
Severity
Perceived
Likelihood
of Infection
Concern
About
Side
Effects
Vaccine
Hiba 9.8 (1.0b–f 5.9 (3.2)b–f 4.5 (3.4)b–f Hib
Poliob 9.3 (1.5)a,d–f 5.7 (3.3)a,c–f 4.1 (3.4)a,f Polio
Hepatitis Bc 9.2 (1.4)a,d–f 6.3 (3.1)a,b,e,f 4.2 (3.4)a,e–f Hepatitis B
Pertussisd 8.2 (2.0)a–c,f 6.3 (3.0)a,b,e,f 4.1 (3.3)a,f DTP
Measlese 8.1 (2.1)a–c,f 6.8 (3.0)a–d,f 3.9 (3.2)a,f MMR
Varicellaf 6.4 (2.4)a–e 8.2 (2.6)a–e 3.8 (3.2)a–d Varicella
  • * Numbers are means (and standard deviations); superscript letters indicate between-group differences that are significant at P < .05.