Group photo at a New York Trade School Commencement Ceremony

A group, possibly administrators, pictured at a New York Trade School commencement ceremony. Photograph is black and white and contains some writing in red ink on it.

Speaker at a New York Trade School Social Event

A speaker is pictured along with other important guests on the dais at a New York Trade School social event. Black and white photograph.

Student receiving diploma at New York Trade School Commencement Ceremony

A student is shown on stage shaking hands with an administrator at a New York Trade School commencement ceremony. A diploma can be seen in his left hand. Black and white photograph with some damage from folding in upper right hand corner.

Group Photo at a New York Trade School Commencement Ceremony

This is a group photo mainly comprised of the school's administrators taken at the 1958 commencement ceremony of the New York Trade School. Original caption reads, "Back Row - Left to Right: William F. Vanderbeek, Robert H. Scholl, Gurdon Simmon, Miss Marie Kaye, and Peter H. Vermilye. Front Row - Left to Right: Gilbert G. Weaver, George E. McLaughlin, John Clarke, Enders M. Voorhees, Ralph Cole, Frank Casino and Charles Leidig." Black and white photograph.

Speaker at a New York Trade School Commencement Ceremony

A speaker at the 1957 commencement ceremony at the New York Trade School is shown. George E. McLaughlin, superintendent of the school, can be seen amongst other administrators on the stage behind the speaker. Black and white photograph.

Guests at a New York Trade School Social Event

This photograph features a table of guests at a New York Trade School social event. Photograph is black and white.

Speaker at a New York Trade School Commencement Ceremony

A speaker at a commencement at the New York Trade School. Other administrators can be seen on the dais behind the speaker. Photograph is black and white.

Student Receiving Award at a New York Trade School Commencement Ceremony

Bernard Rosenstadt, an administrator at the New York Trade School, hands an award to a student at the school's 1957 commencement ceremony. Black and white photograph.

Working on a Lathe in the Carpentry Department of the New York Trade School

A student or teacher at the New York Trade School is shown working on a lathe in the Carpentry Department. Black and white photograph credited to the New York City Works Progress Administration.

Automotive Classroom at the New York Trade School

Black and white photograph of an empty classroom of the Automotive Department at the New York Trade School.

Repeat chlamydia screening among adolescents: cohort study in a school-based programme in New Orleans

OBJECTIVES To describe uptake of chlamydia screening, determine rates of repeated yearly screening and investigate determinants of repeated participation in an organised school-based screening programme. METHODS The authors analysed data from 1995 to 2005 from female and male students in up to 13 schools in New Orleans, Louisiana, USA. The authors calculated proportions of students tested among all enrolled students and among those with parental consent and the percentage of positive chlamydia tests in each school year. The authors used random effects logistic regression to examine the effect of past screening history on subsequent participation. RESULTS 35 041 students were registered for at least one school year. Overall coverage was >30% in all school years. Among all students registered for 4 years, 10.6% (95% CI 9.3% to 12.0%) of women and 12.7% (95% CI 11.2% to 14.2%) of men had a test every year. Among students with parental consent for 4 years, 49.3% (95% CI 44.6% to 54.1%) of women and 59.3% (95% CI 54.5% to 64.0%) of men had a test every year. Among students registered for 2 or more years, those with a previous positive chlamydia test were less likely to have a subsequent test (female adjusted OR 0.77, 95% CI 0.67 to 0.88 and male adjusted OR 0.84, 95% CI 0.69 to 1.02). Chlamydia positivity increased over time. CONCLUSIONS High levels of uptake can be achieved in school-based chlamydia screening programmes, but repeated yearly screening is difficult to sustain over time.