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This study will test whether a short interview session about lead and secondhand tobacco smoke can help pregnant women reduce their exposure to lead and secondhand smoke. Both lead and secondhand tobacco smoke can cause problems with a pregnancy. The best way to prevent exposure to lead and secondhand tobacco smoke is to recognize the sources and avoid them.
Non-smoking African-American and Hispanic pregnant women between 18 and 49 years of age who live in Washington, D.C. may be eligible for this study.
Participants are randomly assigned to one of two study groups. Both groups have a 30-minute one-on-one session with a member of the study staff. The content of the session differs between groups. In addition, all women undergo the following tests and procedures:
Full description
Prenatal exposure to lead and tobacco has been shown to cause long-term adverse effects to the fetus and child, including decreased birthweight and premature delivery. These effects have been shown even at very low exposure levels. Since both exposures can be modified, many experts recommend screening for and counseling to prevent or reduce these exposures as part of routine prenatal care. The high infant mortality in the District of Columbia (DC) (10.2 deaths per 1,000 live births, versus 6.2 deaths per 1,000 births nationally) is incompletely understood, but disparities in health and healthcare access for minority populations, premature delivery, and low birthweight are likely contributors. Several studies and prevention programs have addressed smoking by and secondhand tobacco smoke (SHS) exposure of pregnant women living in DC in an effort to reduce the infant mortality rate, but none have addressed elevated blood lead levels (BLL) or the effects of exposure to both elevated BLL and SHS. Since DC children have high rates of both elevated BLL and SHS exposure, compared to the US population, we hypothesize that pregnant women in DC have similar high rates of elevated BLL and SHS exposure, AND that these exposures contribute to the high rates of low birthweight and decreased gestational age, and therefore to the rate of infant mortality in DC. The primary aim of this study is to determine the effectiveness of a screening and secondary prevention intervention for elevated blood lead and SHS exposure of low income, pregnant women living in Washington, DC.
Enrollment
Sex
Ages
Volunteers
Inclusion and exclusion criteria
Female
Pregnant
Age 18-49
Self-identified as African-American or Hispanic/Latino
Patient at participating clinic
DC resident at the time of enrollment
No tobacco use of any kind after week 13 of the current pregnancy
Able to read, write and understand English
Able to give informed consent
Able to cooperate with testing procedures
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Data sourced from clinicaltrials.gov
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