Assessment of smoking behaviour in the dental setting. A study comparing self-reported questionnaire data and exhaled carbon monoxide levels

Frei, Marc; Engel Brügger, Odette; Sendi, Pedram; Reichart, Peter A; Ramseier, Christoph A; Bornstein, Michael M (2012). Assessment of smoking behaviour in the dental setting. A study comparing self-reported questionnaire data and exhaled carbon monoxide levels. Clinical oral investigations, 16(3), pp. 755-60. Berlin: Springer-Verlag 10.1007/s00784-011-0583-2

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The present study validated the accuracy of data from a self-reported questionnaire on smoking behaviour with the use of exhaled carbon monoxide (CO) level measurements in two groups of patients. Group 1 included patients referred to an oral medicine unit, whereas group 2 was recruited from the daily outpatient service. All patients filled in a standardized questionnaire regarding their current and former smoking habits. Additionally, exhaled CO levels were measured using a monitor. A total of 121 patients were included in group 1, and 116 patients were included in group 2. The mean value of exhaled CO was 7.6 ppm in the first group and 9.2 ppm in the second group. The mean CO values did not statistically significantly differ between the two groups. The two exhaled CO level measurements taken for each patient exhibited very good correlation (Spearman's coefficient of 0.9857). Smokers had a mean difference of exhaled CO values of 13.95 ppm (p < 0.001) compared to non-smokers adjusted for the first or second group. The consumption of one additional pack year resulted in an increase in CO values of 0.16 ppm (p = 0.003). The consumption of one additional cigarette per day elevated the CO measurements by 0.88 ppm (p < 0.001). Based on these results, the correlations between the self-reported smoking habits and exhaled CO values are robust and highly reproducible. CO monitors may offer a non-invasive method to objectively assess current smoking behaviour and to monitor tobacco use cessation attempts in the dental setting.

Item Type:

Journal Article (Original Article)

Division/Institute:

04 Faculty of Medicine > School of Dental Medicine > Department of Oral Surgery and Stomatology
04 Faculty of Medicine > School of Dental Medicine > Department of Periodontology

UniBE Contributor:

Frei, Marc; Reichart, Peter; Ramseier, Christoph Andreas and Bornstein, Michael

ISSN:

1432-6981

Publisher:

Springer-Verlag

Language:

English

Submitter:

Eveline Carmen Schuler

Date Deposited:

04 Oct 2013 14:30

Last Modified:

23 Oct 2019 10:51

Publisher DOI:

10.1007/s00784-011-0583-2

PubMed ID:

21717094

Web of Science ID:

000304173900009

BORIS DOI:

10.7892/boris.11327

URI:

https://boris.unibe.ch/id/eprint/11327 (FactScience: 217420)

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