Women randomized to the intervention group , compared with those randomized to the control group , were less likely to have invasive diagnostic testing ( @ % vs @ % ; odds ratio -LSB- OR -RSB- , @ -LSB- @ % CI , @-@ @ -RSB- ) and more likely to forgo testing altogether ( @ % vs @ % ; OR , @ -LSB- @ % CI , @-@ @ -RSB- , reference group screening followed by invasive testing ) .