ArticleAtencion primaria2000
[Validity of the declared tobacco consumption in pregnancy].
Article in Atencion primaria, 2000. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
What it found
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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
4 citing papers in PubMed, 19 citations in OpenAlex.
- Risk of Gestational Diabetes Due to Maternal and Partner Smoking.International journal of environmental research and public health · 2022Observational
- Smoking among pregnant women in Cantabria (Spain): trend and determinants of smoking cessation.BMC public health · 2007Article
- [Evolution of tobacco habits during pregnancy and postpartum period].Atencion primaria · 2004Article
- [Impact of medical counselling on giving up smoking during pregnancy].Atencion primaria · 2002Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
8 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
objectivesTo analyse the relationship between the stated consumption of tobacco by pregnant women who say they smoked before pregnancy and the levels of cotinine in their urine at the start and end of pregnancy.
designObservational, longitudinal study.
participantsDuring 1997. STUDY GROUP: 147 pregnant women at their first pre-natal visit to outclinics of the Hospital del Mar. CONTROL GROUP: 50 non-smoker pregnant women monitored during their pregnancy. MEASUREMENTS AND MAIN
resultsThe numbers of cigarettes per day that they said they smoked on their first monitoring visit to our centre and at the last attendance before giving birth were recorded. Cotinine levels in the urine samples taken on these visits were measured. Mean cotinine in pregnant women who said they had given up smoking was higher than in non-smokers. There was a statistically significant linear relationship between the number of cigarettes stated and cotinine levels at the first and last pregnancy monitoring visits, as well as between the variation in the number of cigarettes and cotinine levels at these two visits. The negative predictive value of what they said about their tobacco habit was 82.9%.
conclusionsThere was a certain under-declaration by pregnant smokers, although their statements of consumption and cotinine levels correlated closely. The under-declaration did not increase despite reiterated advice to stop smoking, which means that, despite its limitations, it could be a useful indicator for evaluating the effect of interventions aimed at stopping women smoking during pregnancy.
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Registered trials
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