Initiating contraception in sexually transmitted disease clinic setting: a randomized trial

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Abstract

OBJECTIVE: Our purpose was to determine the effectiveness of sexually transmitted disease (STD) clinic–initiated contraceptive care.

STUDY DESIGN: Nonpregnant women (n = 877) attending an urban STD clinic using either no contraception or only condoms were randomly assigned to either an intervention (n = 437) or control group (n = 440). Both groups received condoms with spermicide and a referral list of primary care providers (PCP) for ongoing reproductive health care, and the intervention group also received enhanced contraceptive counseling, initial provision of contraception, and facilitated referral to a PCP. Outcomes measured at 4-, 8-, and 12-month follow-up were transition to a PCP, effective contraceptive use (ECU), interval pregnancy, and STD.

RESULTS: The median time to PCP transition was 79 days for the intervention group versus 115 days for the control group (P = .007). Rates of ECU were higher for the intervention group than for control group at the 4-month visit (50% vs 22%, P<.0001) as well as the 8-month visit, although in the intervention group ECU diminished over the course of the study. During follow-up, pregnancy outcomes were documented for 229 women (26.1%), for an overall pregnancy rate of 38.2 per 100 person-years of follow-up. Of the 159 pregnancies defined by patient self-report, 153 (96.2%) were described as unintended and 32 (20%) resulted in a therapeutic abortion. The pregnancy rate was 15% lower in the intervention (105/437, 24.0%) than the control group (124/440, 28.2%) (P = .16), but this difference was not statistically significant.

CONCLUSION: The intervention helped women transition to a PCP and initiate ECU but did not significantly reduce the pregnancy rate. More intensive interventions are needed to prevent unintended pregnancy in this high-risk population.

Section snippets

Sample selection and design

The study was conducted at the Denver Metro Health Clinic (DMHC), the STD clinic operated by Denver Public Health. The DMHC is a readily accessible and confidential facility offering free comprehensive, walk-in services for diagnosis, treatment, management, and prevention of STD. Services are provided to all interested persons, regardless of county of residency; there are between 15,000 and 18,000 patient visits per year.

Women with a new problem who identified themselves as being residents of

Baseline characteristics

From December 1996 through January 2000, a total of 7305 women were screened for possible enrollment into the study, of whom 1909 (26.1%) were eligible for participation, with 877 (45.9%) agreeing to participate. The demographic and clinical characteristics of the 877 women who enrolled are outlined in Table I. The majority of patients were ≤24 years old (40.1% ≤19 years old, 35.8% 20-24 years old, and 24.1% ≥25 years old) and of nonwhite ethnicity (white 39.5%, African American 26.1%, Hispanic

Comment

In this randomized controlled study among women not using contraceptives attending an STD clinic, we evaluated the effectiveness of clinic-initiated contraceptive care followed by facilitated referral to a PCP for improving the establishment of contact with a PCP, the use of an effective method of contraception, and the rate of overall and unintended pregnancy. Our results indicate an initial benefit to the intervention, with patients in the intervention transitioning to a PCP earlier than

Acknowledgements

We thank Jennifer Garduno, research assistant for the study, and Cathy Cunningham for her administrative assistance. We thank Sherry Wiggins, RN, nurse manager of the DMHC as well as all the STD clinicians for their support of the study and all the patients who participated in the project.

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    Supported by grant No. R01 HD35037 from the National Institute of Child Health and Human Development, National Institutes of Health.

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