RESULTS	In the intervention group , 274,430 person years , 167 cervical cancer cases , and 83 cervical cancer deaths were accrued compared with 178,781 person-years , 158 cases , and 92 deaths and in the control group during 2000-06 ( incidence hazard ratio 0.75 [ 95 % CI 0.55-0 .95 ] and mortality hazard ratio 0.65 [ 0.47-0 .89 ] ) .\