Figure 6.

Participation rates (bars) and positivity rates (lines) in year 1 of the Chlamydia screening per region and for the three community risk levels estimated on the basis of demographic characteristics. Error bars show 95% confidence intervals; H = high, M = medium, L = low.

van den Broek et al. BMC Infectious Diseases 2010 10:89   doi:10.1186/1471-2334-10-89
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