TABLE 3

Established Female Patients Aged 16 to 24, Identified as Sexually Active Using the Original CHIPRA Specifications and/or the Adapted Specifications, and Chlamydia Testing Rates, 2009–2010

Not Pregnant in the Measurement YearPregnant in the Measurement Year
N Females in Specified Populations% in Specified Population Identified as Sexually ActiveN Sexually Active Who Received a Chlamydia Test% of Sexually Active Who Received a Chlamydia TestN Females in Specified Populations% in Specified Population Identified as Sexually ActiveN Sexually Active Who Received a Chlamydia Test% of Sexually Active Who Received a Chlamydia Test
2009Total females aged 16–24 with ≥1 visit in the measurement year (n = 8476)Total females aged 16–24 with ≥1 visit in the measurement year (n = 1999)
 Subset identified as sexually active:
  … using the original measure specifications only, not found in EHR social history sectiona224136.775133.570936.532746.1
  … found in the EHR social history section only, not found using the original measure specificationsb4868.07615.6120.600.0
  … found both in the EHR social history and when using the original measure specifications338655.3169650.1122262.962851.4
 Total identified as sexually active using one or both specifications6113100252341.3194310095549.2
 Subset not identified as sexually active using either set of specifications2363NANA56NANA
2010Total females aged 16–24 with ≥1 visit in the measurement year (n = 9816)Total females aged 16–24 with ≥1 visit in the measurement year (n = 2098)
 Subset identified as sexually active:
  … using the original measure specifications only, not found in EHR social history sectiona222931.172432.575036.432743.6
  … found in the EHR social history section only, not found using the original measure specificationsb6689.37711.5221.100.0
  … found both in the EHR social history and when using the original measure specifications426959.6195545.8128962.555443.0
 Total identified as sexually active using one or both specifications7166100275638.5206110088142.7
 Subset not identified as sexually active using either set of specifications2650NANA37NANA
  • Data Source: OCHIN linked CHC EHR data. NA, not applicable.

  • a Identified as sexually active using codes for pregnancy testing and care, STIs, and prescribed contraceptive medications, as found in claims data.

  • b Identified as sexually active using data from the EHR’s social history section for “Sexual Activity” – ever “Yes” or “Not now.”