TABLE 4

Vaccine Refusals in 2006 and 2013: Results of Logistic Regression

Variables2006 Refusals2013 Refusals
NCount, n (%)Odds Ratio (95% CI)PaNCount, n (%)Odds Ratio (95% CI)Pa
All593442 (74.5%)601523 (87.0%)
Region of the United States.001.04
 West124106 (85.5%)Reference119112 (94.1%)Reference
 Midwest13196 (73.3%)0.36 (0.19–0.71)146130 (89.0%)0.51 (0.20–1.30)
 South209141 (67.5%)0.30 (0.17–0.56)194163 (84.0%)0.30 (0.13–0.72)
 Northeast12999 (76.7%)0.61 (0.31–1.21)142118 (83.1%)0.36 (0.15–0.91)
Practice area<.001<.001
 Urban, inner city14074 (52.9%)Reference134100 (74.6%)Reference
 Urban, non–inner city136103 (75.7%)2.92 (1.70–4.99)134117 (87.3%)2.16 (1.11–4.22)
 Suburban244207 (84.8%)5.66 (3.43–9.34)255231 (90.6%)3.27 (1.82–5.89)
 Rural7358 (79.5%)4.21 (2.14–8.30)7875 (96.2%)8.66 (2.54–29.53)
  • All variables included in the logistic model are listed in this table.

  • a P values <.0083 are considered significant.