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. Author manuscript; available in PMC: 2015 Mar 24.
Published in final edited form as: Biometrics. 2011 Dec 29;68(3):793–804. doi: 10.1111/j.1541-0420.2011.01726.x

Table 1.

Nebraska IPP data summary. Numbers of individuals screened and overall prevalence levels are provided for years 2008 and 2009. The values of Se and Sp are provided by the NPHL. The individual covariates available are age, race, clinic type, location of clinic, reason for visit (family planning, prenatal, STD screening), symptoms, clinical observations (cervical friability, PID, cervicitis, urethritis), and risk history (multiple partners in last 90 days, new partner in last 90 days, contact to STD).

Number screened Mean prevalence
Infection Gender Specimen Se Sp 2008 2009 2008 2009
Chlamydia Female Urine 0.805 0.96   2338   4972 0.092 0.080
Swab 0.928 0.96 14441 14530 0.072 0.069
Male Urine 0.930 0.95   3541   6139 0.077 0.081
Swab 0.925 0.95   2826   1910 0.137 0.157
Gonorrhea Female Urine 0.849 0.98   2338   4972 0.024 0.017
Swab 0.966 0.98 14441 14530 0.013 0.013
Male Urine 0.970 0.96   3541   6139 0.012 0.021
Swab 0.985 0.96   2826   1910 0.068 0.070