Abstract P122 table 1

Screening groups and results

Date of screeningScreening trancheContacts screenedNumber screenedNumber positivePositives (%)
March 20091Close friends of 13-year-old9218
1Close friends of 16-year-old7114
1Girls’ tutor100
March 20092Year group for 13-year-old25312
2Tutor group of 13- and 16-year-olds27311
2Teachers of 13-year-old10550
2Other teachers for the year group 9 and 11600
April 20093Year group of 16-year-old60813
3Teachers who taught the two girls in last academic year200