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Table 3 Proportions of positive samples for the various groups in the Chlamydia screening implementation, 2008-2009

From: Rationale, design, and results of the first screening round of a comprehensive, register-based, Chlamydiascreening implementation programme in the Netherlands

  Amsterdam Rotterdam South Limburg* All regions
  Men Women Total Men Women Total Men Women Total Men Women Total
n 7050 16777 23827 5544 10817 16361 426 1024 1450 13020 28618 41638
Age group (in years) Positive samples per group (in percentages)
16-19 5.2 6.9 6.4 6.3 9.9 8.7 5.2 4.5 4.7 5.7 8.0 7.3
20-24 3.9 4.3 4.2 4.4 5.9 5.4 5.6 5.9 5.8 4.1 5.0 4.7
25-29 2.6 2.5 2.5 3.7 3.6 3.6 5.4 4.3 4.7 3.1 2.9 3.0
All age groups 3.3 3.7 3.6 4.3 5.5 5.1 5.4 5.0 5.1 3.8 4.4 4.2
  1. *In this region, 22.5% of the total invited population completed the online risk score, and 63% of the scores were high enough for a test kit request