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Abstract

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Article in Japanese

Original Article

Association of urinary cotinine levels and current status of self-reported passive smoking in academic staff members

Hikari Kogaa,b  Yoshiaki Iwasakia  Arihiko Kanehirob  Yukito Shimizua  Masaru Onishia  Nobuaki Miyaharab  Yasushi Tanimotob  Mitsune Tanimotob  Toshio Oguraa 

aHealth Service Center, Okayama University
bDepartment of Hematology, Oncology, Allergy, and Respiratory Medicine, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences

ABSTRACT

We measured the cotinine levels in urine and serum of academic staff members and performed a questionnaire survey on smoking and passive smoking to assess the association of cotinine levels and the current status of self-reported passive smoking. We enrolled 506 subjects including current smokers (n=25). Cotinine levels in urine showed significant correlation with those in serum (p<0.001). Most of the subjects (71.1%) answered that they were not exposed to passive smoking based on the survey; however, 20.6% of them were found to be exposed to passive smoking assessed by urinary cotinine level. The questionnaire also revealed that 23.4% of the subjects showed an increase in urinary cotinine levels; however, 62.7% of them were not aware of passive smoking. The concordance rate of self-reported exposure to passive smoking and assessment of passive smoking by urinary cotinine levels was only 65.2%. In summary, a measurement of urinary cotinine levels might be useful for the assessment of passive smoking and prevention of smoking-related disorders.

KEYWORDS

Passive smoking  Environmental tobacco smoke  Cotinine  Academic staff 

Received 25 May 2012 / Accepted 18 Sep 2012

AJRS, 2(3): 175-181, 2013

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