Statewide assessment of a behavioral intervention to reduce cigarette smoking by pregnant women.

Wright LN, Pahel-Short L, Hartmann K, Kuller JA, Thorp JM
Am J Obstet Gynecol. 1996 175 (2): 283-7; discussion 287-8

PMID: 8765243 · DOI:10.1016/s0002-9378(96)70136-9

OBJECTIVE - Smoking in pregnancy is the foremost cause of preventable perinatal mortality. We have demonstrated that a behavioral intervention can alter smoking in pregnant women. We tested the utility of this intervention at multiple sites in varied settings across a suburban-rural state.

STUDY DESIGN - We performed a prospective cohort study at 10 prenatal care sites across North Carolina. Carbon monoxide manometry was used to verify cessation; self-report confirmed reduction. Each site enrolled smokers for 1 year. Four outcome predictor variables were studied: clinic volume, prevalence of smoking, physician versus nonphysician intervenors, and public versus private clinics.

RESULTS - Smoking prevalence varied from 4% to 85%. Biologically confirmed quit rates ranged from 0% to 45%. The prevalence of smoking within a clinic's population was able to explain differences in reduction (p < 0.01) of smoking between sites.

CONCLUSION - We have demonstrated the effectiveness of an intervention to alter smoking behavior in pregnancy. It appears that this technique has the greatest utility in clinics with a high prevalence of smoking.

MeSH Terms (12)

Behavior Therapy Cohort Studies Evaluation Studies as Topic Female Humans Manometry North Carolina Pregnancy Prenatal Care Prospective Studies Smoking Cessation Treatment Outcome

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