Trial reportPediatrics2010
An intervention to reduce environmental tobacco smoke exposure improves pregnancy outcomes.
Trial report in Pediatrics, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 38 papers, 7 of them syntheses that pooled it.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
38 citing papers in PubMed, 7 syntheses or guidelines pooled it, 75 citations in OpenAlex.
- Do health education initiatives assist socioeconomically disadvantaged populations? A systematic review and meta-analyses.BMC public health · 2023Pooled it
- Support during pregnancy for women at increased risk of low birthweight babies.The Cochrane database of systematic reviews · 2019Pooled it
- Behaviour change interventions to reduce second-hand smoke exposure at home in pregnant women - a systematic review and intervention appraisal.BMC pregnancy and childbirth · 2017Pooled it
- Psychosocial interventions for supporting women to stop smoking in pregnancy.The Cochrane database of systematic reviews · 2017Pooled it
- Clinical interventions to reduce secondhand smoke exposure among pregnant women: a systematic review.Tobacco control · 2015Pooled it
- Psychosocial interventions for supporting women to stop smoking in pregnancy.The Cochrane database of systematic reviews · 2013Pooled it
- Psychosocial and psychological interventions for preventing postpartum depression.The Cochrane database of systematic reviews · 2013Pooled it
- A Clustered Randomized Controlled Trial to Reduce Secondhand Smoke Exposure Among Nonsmoking Pregnant Women in Sichuan Province, China.Nicotine & tobacco research : official journal of the Society for Research on Nicotine and Tobacco · 2016Trial
- Smoking ban and small-for-gestational age births in Ireland.PloS one · 2013Trial
- Relationships between self-reported smoking, household environmental tobacco smoke exposure and depressive symptoms in a pregnant minority population.Maternal and child health journal · 2011Trial
- Understanding the association of biomedical, psychosocial and behavioral risks with adverse pregnancy outcomes among African-Americans in Washington, DC.Maternal and child health journal · 2011Trial
- Relationship between paternal smoking behaviour and birth outcomes based on a comic booklet intervention for preventing second-hand smoke exposure to non-smoking pregnant women in Indonesia: a follow-up randomised controlled trial.Tropical medicine and health · 2025Article
- Effects of a Comic Booklet Intervention Aimed at Preventing Second-Hand Smoke Exposure for Pregnant Women in Indonesia: A Randomised Controlled Trial.Healthcare (Basel, Switzerland) · 2023Article
- Risk of Gestational Diabetes Due to Maternal and Partner Smoking.International journal of environmental research and public health · 2022Observational
- Assessing secondhand and thirdhand tobacco smoke exposure in Canadian infants using questionnaires, biomarkers, and machine learning.Journal of exposure science & environmental epidemiology · 2022Article
- Article
- A single-center, prospective, observational study on maternal smoking during pregnancy in Greece: The HELENA study.Tobacco prevention & cessation · 2021Article
- Interventions Addressing Social Needs in Perinatal Care: A Systematic Review.Health equity · 2021Review
- Prevalence and Sources of Second-Hand Smoking Exposure among Non-Smoking Pregnant Women in an Urban Setting of Vietnam.International journal of environmental research and public health · 2019Article
- The effectiveness of family counselling on reducing exposure to secondhand smoke at home among pregnant women in Iran.Tobacco prevention & cessation · 2019Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
5 authors at 4 institutions in 1 country.
Funding
Abstract
objectiveWe tested the efficacy of a cognitive-behavioral intervention in reducing environmental tobacco smoke exposure (ETSE) and improving pregnancy outcomes among black women.
methodsWe recruited 1044 women to a randomized, controlled trial during 2001-2004 in Washington, DC. Data on 691 women with self-reported ETSE were analyzed. A subset of 520 women with ETSE and salivary cotinine levels (SCLs) of <20 ng/mL were also analyzed. Individually tailored counseling sessions, adapted from evidence-based interventions for ETSE and other risks, were delivered to the intervention group. The usual-care group received routine prenatal care as determined by their provider. Logistic regression models were used to predict ETSE before delivery and adverse pregnancy outcomes.
resultsWomen in the intervention were less likely to self-report ETSE before delivery when controlling for other covariates (odds ratio [OR]: 0.50 [95% confidence interval (CI): 0.35-0.71]). Medicaid recipients were more likely to have ETSE (OR: 1.97 [95% CI: 1.31-2.96]). With advancing maternal age, the likelihood of ETSE was less (OR: 0.96 [95% CI: 0.93-0.99]). For women in the intervention, the rates of very low birth weight (VLBW) and very preterm birth (VPTB) were significantly improved (OR: 0.11 [95% CI: 0.01-0.86] and OR: 0.22 [95% CI: 0.07-0.68], respectively). For women with an SCL of <20 ng/mL, maternal age was not significant. Intimate partner violence at baseline significantly increased the chances of VLBW and VPTB (OR: 3.75 [95% CI: 1.02-13.81] and 2.71 [95% CI: 1.11-6.62], respectively). These results were true for mothers who reported ETSE overall and for those with an SCL of <20 ng/mL.
conclusionsThis is the first randomized clinical trial demonstrating efficacy of a cognitive-behavioral intervention targeting ETSE in pregnancy. We significantly reduced ETSE as well as VPTB and VLBW, leading causes of neonatal mortality and morbidity in minority populations. This intervention may reduce health disparities in reproductive outcomes.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.