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Gac Sanit. 2017 Nov 2. pii: S0213-9111(17)30215-7. doi: 10.1016/j.gaceta.2017.08.002. [Epub ahead of print]

Validity of self-reported intensity of exposure to second-hand smoke at home against environmental and personal markers.

Author information

1
Group of Evaluation of Health Determinants and Health Policies, Universitat Internacional de Catalunya, Sant Cugat del Vallès, Barcelona, Spain; Tobacco Control Unit, Cancer Prevention and Control Programme, Catalan Institute of Oncology-ICO, L'Hospitalet de Llobregat, Barcelona, Spain; Cancer Control and Prevention Group, Bellvitge Biomedical Research Institute-IDIBELL, L'Hospitalet de Llobregat, Barcelona, Spain. Electronic address: jmmartinez@uic.es.
2
Group of Evaluation of Health Determinants and Health Policies, Universitat Internacional de Catalunya, Sant Cugat del Vallès, Barcelona, Spain.
3
Social and Cardiovascular Epidemiology Research Group, School of Medicine, University of Alcalá, Alcalá de Henares, Madrid, Spain.
4
Tobacco Control Unit, Cancer Prevention and Control Programme, Catalan Institute of Oncology-ICO, L'Hospitalet de Llobregat, Barcelona, Spain; Cancer Control and Prevention Group, Bellvitge Biomedical Research Institute-IDIBELL, L'Hospitalet de Llobregat, Barcelona, Spain; Department of Clinical Sciences, School of Medicine, Universitat de Barcelona, Barcelona, Spain.
5
Group of Integrative Pharmacology and Systems Neuroscience, Neurosciences Programme, Hospital del Mar Medical Research Institute (IMIM), Barcelona, Spain.
6
National Centre for Epidemiology, Instituto de Salud Carlos III, Madrid, Spain; Department of Preventive Medicine and Public Health, School of Medicine, Universidad Autónoma de Madrid, Madrid, Spain.
7
Group of Integrative Pharmacology and Systems Neuroscience, Neurosciences Programme, Hospital del Mar Medical Research Institute (IMIM), Barcelona, Spain; Department of Experimental and Health Sciences, Universitat Pompeu Fabra, Barcelona, Spain.

Abstract

The objective of this study was to assess the validity of two questions about the perception of intensity of exposure to secondhand smoke (SHS) at home using as a reference environmental markers (airborne nicotine and benzene) and biomarkers of exposure (cotinine in saliva and urine). This was a cross-sectional study in a convenience sample of 49 non-smoking volunteers. We found a high correlation between self-reported SHS exposure and airborne nicotine (rsp=0.806, p<0.05), salivary cotinine (rsp=0.752, p<0.05), and urinary cotinine (rsp=0.626, p<0.05). We did not find differences between the score question and the conventional ones (p >0.05). In conclusion, the significant correlation of the two questions proposed with environmental markers and personal markers indicates their potential validity to assess exposure to SHS at home.

KEYWORDS:

Cotinina; Cotinine; Hogares; Home environment; Humo de tabaco ambiental; Marcadores personales; Nicotina; Nicotine; Personal markers; Second hand smoke; Validación; Validity

PMID:
29102505
DOI:
10.1016/j.gaceta.2017.08.002
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