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Int. J. Environ. Res. Public Health 2015, 12(1), 841-854; doi:10.3390/ijerph120100841

Agreement Between Exhaled Breath Carbon Monoxide Threshold Levels and Self-Reported Cigarette Smoking in a Sample of Male Adolescents in Jordan

1
Faculty of Nursing, Jordan University of Science and Technology, P.O. Box 3030, Irbid 22110, Jordan
2
Faculty of Health, University of Technology, Sydney 2007, Australia
3
Charles Perkins Centre, Faculty of Nursing and Midwifery, the University of Sydney, Sydney 2007, Australia
4
Department of Public Health, Faculty of Medicine, Jordan University of Science and Technology, Irbid 22110, Jordan
5
Cardiothoracic, Surgical and Medical Telemetry Unit, Sydney Adventist Hospital, Sydney 2007, Australia
These authors contributed equally to this work.
*
Author to whom correspondence should be addressed.
Academic Editor: Paul B. Tchounwou
Received: 22 November 2014 / Accepted: 13 January 2015 / Published: 15 January 2015
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Abstract

This study aimed to measure the percent agreement between Exhaled Breath Carbon Monoxide (eBCO) measure using a piCO+ smokerlyzer® and self-reported cigarette smoking status and to determine the optimal thresholds for definite identification of cigarette smokers of male school students in Jordan. A descriptive, cross sectional, study of a random sample of male adolescents in grades 7 and 8 from four public high schools in Irbid, completed an adaptation of a standardized Arabic-language tobacco smoking questionnaire and an eBCO measure. Sensitivity and specificity of the eBCO were calculated against self-reported cigarette smoking. Participants (n = 439) had a mean age of 12.5 years (SD = 0.50) and 174 (39.9%) reported being an ever smoker of whom 59 (33.9%) reported being a recent (30-day) smoker. The optimal eBCO cut-off point for recent smoking was 4.5 ppm with a sensitivity of 84.7% and specificity of 65.5%. Overall, eBCO can accurately identify recent smokers and distinguish them from non-smokers. The eBCO use enables healthcare professionals and researchers to assess efficacy of smoking cessation and prevention programs without necessarily relying on self-report. Further research is indicated to validate our findings and should be expanded to include females, detailed characteristics of cigarette and waterpipe smoking. View Full-Text
Keywords: cigarette smoking; exhaled Breath Carbon Monoxide; ROC; adolescent; Jordan; waterpipe use cigarette smoking; exhaled Breath Carbon Monoxide; ROC; adolescent; Jordan; waterpipe use
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Al-Sheyab, N.; Kheirallah, K.A.; Mangnall, L.J.T.; Gallagher, R. Agreement Between Exhaled Breath Carbon Monoxide Threshold Levels and Self-Reported Cigarette Smoking in a Sample of Male Adolescents in Jordan. Int. J. Environ. Res. Public Health 2015, 12, 841-854.

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Int. J. Environ. Res. Public Health EISSN 1660-4601 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert
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