In regression analyses , a child 's likelihood of being vaccinated was significantly higher with : younger age , white race ( Odds ratio -LSB- OR -RSB- = @ ; @ % confidence interval -LSB- CI -RSB- = @-@ @ ) , having commercial insurance ( OR = @ ; @ % CI = @-@ @ ) , higher pre-intervention practice vaccination rate ( OR = @ ; @ % CI = @-@ @ ) , and being in the Intervention arm ( OR = @ ; @ % CI = @-@ @ ) .